Stemedu - Buying Guide
Last Updated: 05/04/2024
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Stemedu 3PCS LM2596 DC to DC Buck Converter 4-40V to 1.25-37V Adjustable Voltage Regulator Step-Down Module with LED Voltmeter Display 3A
Asin: B0BTBVDB4S
【Output Voltage】The Output Voltage Is 1.25V~37V (Adjustable); The Maximum Output Current Is 3A.
【Widely Application】This Voltage Reduction Module Can Be Used In The Voltage Reduction Field Where The Input Voltage Is Higher Than The Output Voltage, Such As Storage Battery, Power Transformer, Diy Adjustable Voltage Stabilizing Power Supply, 24V Vehicle Mounted Pen And Notebook Power Supply, Industrial Equipment Voltage Reduction, 12V To 3.3V, 12V To 5V, 24V To 5V, 24V To 12V, 36V To 24V, Etc..
【Features】This Module Has The Advantages Of Low Power Consumption And High Efficiency, And Has The Functions Of Overheating Protection And Short Circuit Protection. If It Exceeds 15W, Please Strengthen Heat Dissipation..
【Input Voltage】The Input Voltage Is 2.5V~40V, And The Input Voltage Must Be More Than 1V Higher Than The Output Voltage.
Features
- High Precision LM2596 DC-DC adjustable step-down module, with voltmeter display, voltmeter error 0.1V, measuring range 4~40V (When Input voltage lower than 4V, on-board voltmeter does not work and does not display)
- Input Voltage The input voltage is 2.5V~40V, and the input voltage must be more than 1V higher than the output voltage
- Output Voltage The output voltage is 1.25V~37V (adjustable); The maximum output current is 3A
- Features This module has the advantages of low power consumption and high efficiency, and has the functions of overheating protection and short circuit protection. If it exceeds 15W, please strengthen heat dissipation.
- Widely Application This voltage reduction module can be used in the voltage reduction field where the input voltage is higher than the output voltage, such as storage battery, power transformer, DIY adjustable voltage stabilizing power supply, 24V vehicle mounted pen and notebook power supply, industrial equipment voltage reduction, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.59 x 2.56 x 1.38 inches | Weight: 0.05 pounds
See On Amazon #2
Stemedu 42PCS Solderless Double-Sided Protoboard Universal PCB Board Prototype Kit Electronic Breadboard with 6 Sizes (2x8 3x7 4x6 5x7 6x8 7x9cm) for Arduino DIY Project
Asin: B0BYCK6ZDH
6 Different Sizes Solderless Universal Pcb Board, Standard 2.54Mm Pitch, Suitable For Arduino Raspberry Pi Electronic Projects.
Double-Sided Prototyping Board Is More Flexible, Stronger And More Reliable Than Single-Sided Protoboard, And Has Better Temperature Resistance And Heat Dissipation.
High Quality Double-Sided Prototype Boards Provide Twice The Amount Of Space For Components, Allowing For More Complex Circuits And Increased Component Density..
2.54 Mm Pitch, Durable Glass Fiber Fr4 Material With 1.6Mm Thickness.
Features
- 42 pieces double sided PCB board through holes prototype board kit, includes 8x40pin male headers
- 2.54 mm pitch, durable glass fiber FR4 material with 1.6mm thickness
- 6 different sizes solderless universal PCB board, standard 2.54mm pitch, suitable for Arduino Raspberry Pi electronic projects
- High quality double-sided prototype boards provide twice the amount of space for components, allowing for more complex circuits and increased component density.
- Double-sided Prototyping board is more flexible, stronger and more reliable than single-sided protoboard, and has better temperature resistance and heat dissipation
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Brand: Stemedu | Manufacturer: Stemedu
See On Amazon #3
Stemedu 5PCS HX711 Load Cell Amplifier A/D 24 Bits Precision Breakout Board Dual-Channel Weighing Sensors Converter Modules for Arduino for Raspberry Pi
Asin: B07MTYT95R | Model: ST0728X5 | PartNumber: ST0728X5
🚩 The Input Multiplexer Selects Either Channel A Or B Differential Input To The Low-Noise Programmable Gain Amplifier (Pga).
🚩 What You Will Get: 5Pcs Hx711 Amplifier Module For Load Cell..
🚩 Applications: This Weighing Sensor Amplifier Module Can Use To Be Weight Scales, Kitchen Scale, Industrial Process Control And So On..
🚩 Hx711 Load Cell Ad Module Is A Specially Designed For The High Precision Electronic Scale Designwith Two Analog Input Channel To Internal Integration Of 128 Times The Programmable Gain Amplifier.
Features
- This HX711 amplifier module use 24 high precision A/D converter chip hx711, dual-Channel 24 Bit Precision A/D Module
- HX711 load cell AD module is a specially designed for the high precision electronic scale designwith two analog input channel to internal integration of 128 times the programmable gain amplifier
- The input multiplexer selects either Channel A Or B differential input to the low-noise programmable gain amplifier (PGA)
- Applications: This weighing sensor amplifier module can use to be weight scales, kitchen scale, industrial process control and so on.
- What you will get: 5pcs HX711 amplifier module for load cell.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.20 x 1.38 x 0.79 Inches
See On Amazon #4
Stemedu 5PCS Capacitive Analog Soil Moisture Sensor Module 3.3~5.5V Corrosion Resistant Humidity Detection Sensors DIY Electronic for Arduino for Raspberry Pi
Asin: B0BTHL6M19 | Model: ST3107X5 | PartNumber: ST3107X5
【Interface】Interface: Ph2.54-3P, Pin: Analog Signal Output, Gnd, Vcc.
【Comparision】This Capacitive Soil Humidity Sensor Is Different From Most Of The Resistive Sensors. It Uses The Capacitive Sensing Principle To Detect Soil Humidity, Avoiding The Problem That The Resistive Sensor Is Easily Corroded, And Greatly Extending Its Working Life..
【Feature】Capacitive Humidity Sensor Has Good Linearity, Good Repeatability, Small Hysteresis, Fast Response, Small Size, And Can Be Used At - 10 ℃ - 60 ℃ Humidity Environment.
【Voltage】Working Voltage: 3.3~5.5 Vdc, Output Voltage: 0~3.0 Vdc.
Features
- Version This capacitive analog soil moisture sensor is V1.2
- Voltage Working voltage: 3.3~5.5 VDC, output voltage: 0~3.0 VDC
- Interface Interface: PH2.54-3P, Pin: Analog signal output, GND, VCC
- Feature Capacitive humidity sensor has good linearity, good repeatability, small hysteresis, fast response, small size, and can be used at - 10 - 60 humidity environment
- Comparision This capacitive soil humidity sensor is different from most of the resistive sensors. It uses the capacitive sensing principle to detect soil humidity, avoiding the problem that the resistive sensor is easily corroded, and greatly extending its working life.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.20 x 3.90 x 2.00 Inches
See On Amazon #5
Stemedu 5PCS GY-521 6 DOF mpu6050 Accelerometer Sensor Module MPU-6050 3 Axis Gyroscope 3 Axis Acceleration 16 Bit IIC I2C Breakout Board for Arduino
Asin: B07PY38BCB | Ean: 0768390744521 | UPC: 768390744521
🚩 Acceleration Range: ±2±4±8±16G.
🚩 Communication Modes: Standard Iic Communication Protocol.
🚩 Chip Built-In 16Bit Ad Converter, 16-Bit Data Output.
🚩 Gyroscope Range: ±250 500 1000 2000 °/S.
Features
- 5PCS Stemedu GY-521 MPU6050 6-axis accelerometer gyroscope sensors
- Gyroscope range: 250 500 1000 2000 /s
- Acceleration range: 2 4 8 16g
- Chip built-in 16bit AD converter, 16-bit data output
- Communication modes: standard IIC communication protocol
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Brand: Stemedu | Manufacturer: Stemedu
See On Amazon #6
Stemedu 5PCS RCWL-0516 Motion Detection Sensor, Microwave Radar Sensor Switch Module for Arduino ESP8266 Nodemcu Wemos for Animals Detector, Detection Distance 5-7m, Better Than HC-SR501
Asin: B07MTWZDQZ | Model: ST | PartNumber: ST | Ean: 0747356634816, 0747356633208, 0747356634496 | UPC: 747356634496, 747356633208, 747356634816
🚩 Microwave Radar Sensor Will Sense Motion Through Most Anything. The More Shielding There Is, The Less Detection Range You Get. I Can Detect Motion Through Glass, Drywall Walls, Ceilings And Floors. It Is Very Sensitive. You Might Have To Filter The Power Supply..
🚩 Microwave Doppler Radar Sensor Can Work With Arduino/Nodemcu/Wemos Etc..
🚩 This Microwave Detector Board Can Not Only Detect Human But Animals And Water..
🚩 The Rcwl-0516 Microwave Radar Sensor Module Can Detect Inert Object At The Condition That It Has Enough Density, Volume And It Is In Motion..
Features
- This RCWL-0516 module has the characteristics of high sensitivity, high induction distance, high reliability, large induction angle, wide power supply voltage range, etc. it is widely used in various kinds of human body induction lighting and alarm and so on.
- The RCWL-0516 microwave radar sensor module can detect inert object at the condition that it has enough density, volume and it is in motion.
- Microwave radar sensor will sense motion through most anything. The more shielding there is, the less detection range you get. I can detect motion through glass, drywall walls, ceilings and floors. It is very sensitive. You might have to filter the power supply.
- This microwave detector board can not only detect human but animals and water.
- Microwave doppler radar sensor can work with arduino/nodemcu/wemos etc.
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Brand: Stemedu | Manufacturer: Stemedu
Weight: 0.04 pounds
See On Amazon #7
Stemedu 600PCS/LOT 1/4W Metal Film Resistor Assortment Kit, 1% Resistors Assorted Set, 10 Ohm-1M Ohm Resistance Pack for DIY Electric Projects, 30 Values Each 20pcs
Asin: B09W9JCSTX
【Convenient And Useful】 Each Group Of Resistors Are Packaged With A Label That You Can Read Without Having To Look Up The Color Code. The Are Also Stapled Together And Sorted. Comes With A Resistor Color Code And A Plastic Box.
【Wide Applications】Suitable For Soldering Projects As Well As Diy Projects For Breadboards.
【Easy To Storage】The Plastic Box Has A Hook That Can Be Easily Hung On The Tool Table, Easy To Organize, A Neat Operating Desktop.
【High Precision】Resistors With ±1% Tolerance Range, 1/4W Metal Film And Thicker Metal Pins To Have A Better Connection And Stable Performance Features Which Help You Finish The Electrical Experiments Project Faster And More Smoothly.
Features
- Package 30 Values Each Value is 20pcs Total 600pcs
- High Precision Resistors with 1% tolerance range, 1/4w metal film and thicker metal pins to have a better connection and stable performance features which help you finish the electrical experiments project faster and more smoothly
- Convenient and useful Each group of resistors are packaged with a label that you can read without having to look up the color code. The are also stapled together and sorted. Comes with a resistor color code and a plastic box
- Easy to Storage The plastic box has a hook that can be easily hung on the tool table, easy to organize, a neat operating desktop
- Wide Applications Suitable for soldering projects as well as DIY projects for breadboards
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Brand: Stemedu | Manufacturer: Stemedu
See On Amazon #8
Stemedu DC 0-25V Voltage Detection Sensor Voltage Terminal Measurement Module up to 25V, Test Electronic Bricks for Robot for Arduino for Raspberry Pi (Pack of 5pcs)
Asin: B07L81QJ75 | Model: ST0430X5 | PartNumber: ST0430X5
🚩 If Used 3.3V System, The Input Voltage Can Not Exceed 3.3Vx5 = 16.5V.
🚩 There Are 5Pcs Dc 0-25V Voltage Detection Sensor Module In The Package..
🚩 Voltage Detection Range: Dc0.02445V-25V.
🚩 The Voltage Detection Module Is Based On A Resistive Divider Principle Design, It Makes The Interface Terminal Input Voltage Reduced 5 Times, Arduino Analog Input Voltage Up To 5V, Then The Input Voltage Of The Voltage Detection Module Can Not Be Greater Than 5V × 5 = 25V..
Features
- This DC 0-25V voltage detection sensor module can work with Arduino analog single phase
- The voltage detection module is based on a resistive divider principle design, it makes the interface terminal input voltage reduced 5 times, Arduino analog input voltage up to 5V, then the input voltage of the voltage detection module can not be greater than 5V 5 = 25V.
- If used 3.3V system, the input voltage can not exceed 3.3Vx5 = 16.5V
- Voltage detection range: DC0.02445V-25V
- There are 5PCS DC 0-25V voltage detection sensor module in the package.
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Brand: Stemedu | Manufacturer: Stemedu
See On Amazon #9
Stemedu 2PCS 400 Tie Point Breadboards Prototype PCB Board Kit Small Solderless Breadboard for Arduino Proto Shield (Pack of 2 pcs 400 Point Breadboard)
Asin: B0BZ4KF4JK
🚩 This Solderless Breadboard Is Suitable For The Vast Majority Of Development Boards. If The Pins Of Your Development Board Cannot Be Aligned, Please Check If The Pins On The Development Board Are Welded Neatly First..
🚩 Mini Solderless Breadboard Do Not Have To Be Welded And Easy To Use, Good For Those Who Are New To Electronic Products And Do Not Have Much Welding Experience..
🚩 With Self-Adhesive Tape On The Back Of Breadboard, Stick It On The Arduino Prototype Shield Or Anywhere You Want..
🚩 Standard 2.54Mm Pitch, Suitable For Any Components With 20-29 Awg (0.3-0.8Mm) Lead Wire..
Features
- The 400 hole mini breadboard is a small electronic prototype board that is small in size, light in weight, reusable, and portable, used for building and testing electronic circuits.
- Standard 2.54mm pitch, suitable for any components with 20-29 Awg (0.3-0.8mm) lead wire.
- This solderless breadboard is suitable for the vast majority of development boards. If the pins of your development board cannot be aligned, please check if the pins on the development board are welded neatly first.
- With Self-Adhesive tape on the back of breadboard, stick it on the Arduino prototype shield or anywhere you want.
- Mini solderless breadboard do not have to be welded and easy to use, good for those who are new to electronic products and do not have much welding experience.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.39 x 4.72 x 2.76 Inches
See On Amazon #10
Stemedu USB RGB Controller DC5-24V Led Dimmer with 3 Keys for RBG 5050 LED Ring Strip Lights
Asin: B09N72PTGG
🚩 Mini Usb Remote Controller For Rgb Led Strip Light Lighting In Stemedu.
🚩 You Will Get A Usb Led Controller For Ws2812 Led Light..
🚩 Note: Using For A Long Time Will Cause Heat, Please Be Careful Of Temperature.
🚩 Input Voltage: Dc5-24V.
Features
- Interface: 3Pin terminal interface, USB port
- Input voltage: DC5-24V
- Mini USB remote controller for RGB led strip light lighting in Stemedu
- Note: using for a long time will cause heat, please be careful of temperature
- You will get a USB LED controller for WS2812 LED light.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.16 x 2.36 x 0.43 Inches
See On Amazon #11
Stemedu 1460 PCS Resistors Assortment Kit, 1/4W 1% Metal Film Resistor Pack, 1 ohm - 1M ohm Assorted Resistance Set, 73 Values, 20 pcs per Value, Individual Bags with Tags for DIY Electronic Projects
Asin: B09NDFCF1K
[Value Table] This Resistor Box Has An Excellent Presentation As Well As Including A Table To Read The Resistance Values. Color Code Guide Helps You Read The Resistance Value Easily..
[Applications] 1460Pcs Resistors Kit Is More Suitable For Various Of Electronic Diy Projects, Perfect For Any Breadboard Such As Working With Ar-Duino And Raspberry Pi..
[Fit For Breadboard] This Assortment Of Resistor Kit Can Be Easily Put Into A Breadboard..
[Labeled With Resistor Values] Neatly Packaged In Individual Bag With Tags For Each Value, 73 Types Frequently Used Resistors With Individual Packaged And Arranged In Order Of Values. ±1% Tolerance, 1/4W Metal Film Resistors.
Features
- [73 Resistor Values] 20PCS per value, 1 , 1.2 , 1.5 , 1.8 , 2.2 , 2.7 , 3.3 , 3.9 , 4.7 , 5.6 , 6.8 , 8.2 , 10 , 12 , 15 , 18 , 22 , 27 , 33 , 39 , 47 , 56 , 68 , 82 , 100 , 120 , 150 , 180 , 220 , 270 , 330 , 390 , 470 , 560 , 680 , 820 , 1k , 1.2k , 1.5k , 1.8k , 2.2k , 2.7k , 3.3k , 3.9k , 4.7k , 5.6k , 6.8k , 8.2k , 10k , 12k , 15k , 18k , 22k , 27k , 33k , 39k , 47k , 56k , 68k , 82k , 100k , 120k , 150k , 180k , 220k , 270k , 330k , 390k , 470k , 560k , 680k , 820k , 1M
- [Labeled with Resistor Values] Neatly packaged in individual bag with tags for each value, 73 types frequently used resistors with individual packaged and arranged in order of values. 1% tolerance, 1/4w metal film resistors
- [Value Table] This resistor box has an excellent presentation as well as including a table to read the resistance values. Color Code Guide helps you read the resistance value easily.
- [Fit for Breadboard] This assortment of resistor kit can be easily put into a breadboard.
- [Applications] 1460PCS resistors kit is more suitable for various of electronic DIY projects, perfect for any breadboard such as working with Ar-duino and Raspberry Pi.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 2.36 x 7.09 x 4.33 Inches
See On Amazon #12
Stemedu 4PCS LXW5-11N1 Microswitch SPDT 1NO 1NC Micro Limit Switch Hinge Lever Momentary Push Button Switches 3A AC380V DC220V (Pack of 4)
Asin: B0BFF4M18C | Model: LXW5-11N1 | PartNumber: LXW5-11N1
🚩 Switch Body Size (Each) : 50 X 43 X18mm/1.9" X 1.7" X 0.7"(L*W*T).
🚩 How To Email Us? Please Click “Stemedu”(You Can Find "Sold By Stemedu" Under Buy Now Button), In The New Page, Click “Ask A Question” To Email Us.
🚩 Used In Home Appliance, Electronic Equipment, Automatic Machine, Communication Equipment, Car Electric, Apparatus And Instrument, Electro Motion Tool Etc...
🚩 Excellent Trip Switches, Long Service Life, More Than 500,000 Cycles..
Features
- Momentary micro limit switch, Long straight hinge lever type switch, 1NO + 1NC (SPDT)
- Excellent trip switches, long service life, more than 500,000 Cycles.
- Switch Body Size (Each) : 50 x 43 x18mm/1.9 x 1.7 x 0.7(L*W*T)
- Used in home appliance, electronic equipment, automatic machine, communication equipment, car electric, apparatus and instrument, electro motion tool etc..
- How to email us? Please click Stemedu (you can find Sold by Stemedu under Buy Now button), in the new page, click Ask a question to email us
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 1.18 x 2.95 x 0.59 Inches
See On Amazon #13
Stemedu Mini DC Electric Gearbox Dual Shaft Geared TT Motor Plastic Tire Tyres Wheel DC 3-6V for Ar duino 1:48 Smart Car Robot (4 Sets)
Asin: B07R13MLJD | Model: ST3176X2 | PartNumber: ST3176X2
🚩 Smart Car Wheels: The Wheels Are Made Of High-Strength Plastic And The Tires Are Made Of Durable Black Rubber ; Tt Motor: The Motor Is Dual Shaft, Which Has Strong Anti-Interference Ability.
🚩 What You Will Get: 4Pcs Dc Tt Motor And 4Pcs Wheel.
🚩 Application: For Arduino, Micro:Bit Rc Robot And Car.
🚩 Rated Voltage: 3~6V, Continuous No-Load Current: 150Ma +/- 10%.
Features
- This is a TT DC Gearbox Motor with a gear ratio of 1:48, and it comes with 2 x 200mm 28AWG wires with breadboard-friendly 2.54mm(0.1 ) male connectors. Perfect for plugging into a breadboard or terminal blocks
- Rated Voltage: 3~6V, Continuous No-Load Current: 150mA +/- 10%
- Smart Car Wheels: The wheels are made of high-strength plastic and the tires are made of durable black rubber ; TT Motor: The motor is dual shaft, which has strong anti-interference ability
- Application: for arduino, Micro:bit RC Robot and Car
- What you will get: 4PCS DC TT Motor and 4PCS Wheel
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Brand: Stemedu | Manufacturer: Stemedu
Weight: 0.06 Pounds
See On Amazon #14
Stemedu 5PCS 8-Digit 7 Segment MAX7219 Digital Segment Module, Seven Section 8 Bit LED Display Tube for Ar-duino MCU/51/AVR/STM32 for Raspberry Pi ESP8266 Nodemcu
Asin: B086GKV958
🚩 Max7219 Led Display Tube Supports Flicker Free Displays As Well As Cascading Displays; Pcv Board Four Corners Of The Fixed Copper Stud, Which Can Effectively Prevent Short Circuit Accidents Happen..
🚩 Compatible With Arduino, It Requires The Led Control Library To Be Installed – Https(:)//Github(Dot)Com/Wayoda/Ledcontrol.
🚩 Note:Vcc And Gnd Do Not Reversed, It Would Burn The Chip. 51 Mcu P0 Port Requires Pull-Up Resistor, If Your Device Does Not Have A Pull-Up Resistor Can Be Connected To Other Ports Data Lines.
🚩 This 8-Digit 7 Segment Light Tube Module Is Compatible Of 5V / 3.3V Microcontroller; Only Three Io Ports Are Used To Drive The Eight Digit Display.
Features
- MAX7219 is an integrated serial input / output common-cathode display driver, which connects your microprocessor to a 7-segment digital LED display with 8 digits
- This 8-Digit 7 segment light tube module is compatible of 5V / 3.3V microcontroller; Only three IO ports are used to drive the eight digit display
- MAX7219 LED Display Tube supports flicker free displays as well as cascading displays; PCV board four corners of the fixed copper stud, which can effectively prevent short circuit accidents happen.
- Note:VCC and GND do not reversed, it would burn the chip. 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines
- Compatible with Arduino, it requires the Led Control library to be installed https(:)//github(dot)com/wayoda/LedControl
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.79 x 3.15 x 0.39 Inches
See On Amazon #15
Stemedu DHT11 Humidity and Temperature Sensor Module 3.3V-5V Digital Temp Humidity Sensor 20%~90% RH Humidity Measure Range 0~50 Temperature Measure Range (Pack of 5)
Asin: B0BVHC6JZ1
Temperature Measurement Range: 0~50℃, Temperature Measurement Error: ±2℃.
Dht11 Uses A Dedicated Digital Modules And Acquisition Of Temperature And Humidity Sensor Technology To Ensure That Products With High Reliability And Excellent Long Term Stability..
Operating Voltage 3.3V-5V, Output Form: Digital Output.
Humidity Measurement Range: 20%~90%Rh, Humidity Measurement Error: ±5%Rh.
Features
- The DHT11 module is a digital temperature and humidity sensor module that can be used to measure temperature and humidity in electronic projects.
- Humidity measurement range: 20%~90%RH, Humidity measurement error: 5%RH
- Temperature measurement range: 0~50 , Temperature measurement error: 2
- Operating Voltage 3.3V-5V, Output form: digital output
- DHT11 uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability.
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Brand: Stemedu | Manufacturer: Stemedu
Weight: 0.02 pounds
See On Amazon #16
Stemedu 2PCS 16 Bits WS2812 5050 RGB LED Light Ring Full Dream Color Individually Addressable with Integrated Driver for Arduino
Asin: B0C7CML64G | Model: ST1558-US | PartNumber: ST1558-US
🚩 These Programmable Led Development Board Can Be Connected To Multiple Led Light Rings Through Pin Cascading.
🚩 Applied To Hotel, Ktv, Bars, Clubs, Shopping Malls, Architectural Decorative Lighting And Boutique Atmosphere Lighting, Used As Decorative Lights..
🚩 Dc 4-7V Low Voltage Driving, Environmental Protection And Energy Conservation, High Brightness, Low Power, And Ultra-Long Service Life.
🚩 Led Chip: Ws2812b, Each Led Can Be Individually Addressed.
Features
- Inside diameter: 3.2cm, outside diameter: 4.5cm
- LED Chip: WS2812B, each LED can be individually addressed
- These programmable LED development board can be connected to multiple LED light rings through pin cascading
- DC 4-7V low voltage driving, environmental protection and energy conservation, high brightness, low power, and ultra-long service life
- Applied to hotel, KTV, bars, clubs, shopping malls, architectural decorative lighting and boutique atmosphere lighting, used as decorative lights.
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Brand: Stemedu | Manufacturer: Stemedu
Warranty: 0.
See On Amazon #17
3dBi 2.4GHz WiFi Antenna Omni-Directional SMA Male to SMA Female to IPEX U.FL Antenna for ESP8266 Wireless Network IOT Devices (Pack of 2)
Asin: B07KBXYYKQ | Ean: 0747356632362 | UPC: 747356632362
Interface: Sma Male To Ipex U.Fl Connector.
Package: 2 X Wifi Antenna, 2 X Sma Female To Ipex U.Fl Extension Cable.
Small In Size And Light In Weight, It Is Very Suitable For Integration Into Various Devices, Wireless Communication, Wireless Routing Lines, Wireless Network Adapters, Wireless Cameras, And Other Smart Home Devices.
Gain: 3Dbi; Vswr: ≤1.92; Impedance(Ω): 50.
Features
- Frequency Range: 2.4GHz (2400-2500MHz)
- Gain: 3dBi; VSWR: 1.92; Impedance( ): 50
- Interface: SMA male to IPEX U.FL connector
- Small in size and light in weight, it is very suitable for integration into various devices, wireless communication, wireless routing lines, wireless network adapters, wireless cameras, and other smart home devices
- Package: 2 x WiFi Antenna, 2 x SMA Female to IPEX U.FL extension cable
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.39 x 5.12 x 1.18 inches
See On Amazon #18
Stemedu 27'' X 5'' Large LED Car Sign, Scrolling LED Sign APP Control, Flexible Open LED Sign Programmable, Custom Pattern Graffiti Text Animation LED Advertising Sign for Storefront and Car Window
Asin: B0B62RFZRZ | Model: ST | PartNumber: ST
[Fun & Attractive] Clear Fonts And High Brightness, This Programmable Led Sign Can Make Your Advertising / Content Attractive With Less Cost, Get Your Business Seen Day Or Night, Perfect For Special Events..
[Packing List] A Over 14Ft Usb Control Cable, On Paper Instructions, Usb Car Charger And A Power Plug, Etc, Includes In The Package.
[Wide Applications] Flexible Scrolling Led Sign Can Be Used Everywhere - Restaurants, Mall, Shops, Hotels, Ktv, Bars. Flexible Led Sign Comes With Tape, Stick It On The Shop's Windows As An Indoor Advertising Signs. As A Christmas, Wedding, Party Decorations, Etc..
[Easy To Use] Smartphone App Control, Support Ios And Android, Connected By Bluetooth, No Internet / Wifi Required, No Additional Remote Control Required. Free App, Download From App Store. Supports Multiple Languages, Support Pattern Graffiti Text Animation Display..
Features
- [EXTRA LARGE SIZE] This LED display size is 68cm x 12cm (26.77" x 4.72"). Large LED sign can make your text display more complete, ultra bright, visibility even in daylight.
- [EASY To USE] Smartphone APP control, support IOS and Android, connected by bluetooth, no internet / Wifi required, no additional remote control required. Free App, download from App Store. Supports multiple languages, support pattern graffiti text animation display.
- [FUN & ATTRACTIVE] Clear fonts and high brightness, this programmable LED sign can make your Advertising / content attractive with less cost, get your business seen day or night, perfect for special events.
- [WIDE APPLICATIONS] Flexible Scrolling LED Sign can be used everywhere - restaurants, mall, shops, hotels, KTV, bars. Flexible LED sign comes with tape, stick it on the shop's windows as an indoor advertising signs. As a Christmas, wedding, party decorations, etc.
- [PACKING LIST] A over 14ft usb control cable, on Paper instructions, USB car charger and a power plug, etc, includes in the package
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.00 x 27.00 x 5.00 Inches
See On Amazon #19
RFID Kit - RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring + 400 Tie Point Breadboard Prototype PCB Board Kit
Asin: B0CQ26VM4S
2Pcs Breadboard 400 Point Solderless Prototype Pcb Board Kit For Arduino Proto Shield Distribution Connecting Blocks.
You Will Get 2 Sets Rfid Kit, 2Pcs 400 Tie Point Breadboard Prototype Boards.
With Self-Adhesive Tape On The Back, Make It Easy To Stick On The Prototype Shield.
Easy To Use, Low Cost, And Applicable To Equipment Development And Card Reader Development Etc.
Features
- The RC522 module can be directly loaded into the various reader molds
- Easy to use, low cost, and applicable to equipment development and card reader development etc
- 2pcs Breadboard 400 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks
- With self-adhesive tape on the back, make it easy to stick on the Prototype Shield
- You will get 2 sets RFID Kit, 2pcs 400 Tie Point Breadboard Prototype Boards
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Brand: Stemedu
See On Amazon #20
30 Values 1% Resistors Assortment Kit 400 Point Breadboard Solderless Board 240pcs PCB Jumper Wires
Asin: B0CQ267NNX
Multicolored Dupont Cable 20Cm 10Cm Breadboard Prototyping Wires.
You Will Get 1 Box 600Pcs Resistor Kit, 2Pcs Solderless Prototype Kit, 240Pcs Breadboard Jumper Ribbon Cables Kit.
The Cables Can Be Separated To Form An Assembly Containing The Number Of Wires You Require For Your Connection And To Support Non-Standard Odd-Spaced Headers.
2Pcs Breadboard 830 Point Solderless Prototype Pcb Board Kit For Arduino Proto Shield Distribution Connecting Blocks.
Features
- 30 Values 1% Resistor Assortment, 600pcs 10 Ohm-1M Ohm 1/4W Metal Film Resistors
- 2pcs Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks
- Multicolored Dupont Cable 20cm 10cm Breadboard Prototyping Wires
- The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers
- You will get 1 box 600pcs resistor kit, 2pcs Solderless Prototype Kit, 240pcs Breadboard Jumper Ribbon Cables Kit
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Brand: Stemedu
See On Amazon #21
Stemedu 200PCS 5MM LED Diodes Emitting Light Bright Led Indicator Lamp Assortment 2 Pin Round Color Orange/Red/Yellow/Green/Blue (10 Colors x 20pcs)
Asin: B0CDGYPYRX | Model: ST2037A | PartNumber: ST2037A
🚩 Max. Current: 20Ma..
🚩 These 5Mm Led Diode Kits Are Suitabel For Variety Of Applications, Including Pcb Board Circuit Projects Diy, Arduino, Raspberry Pi, Science Projects, Electronic Experiment, Breadboard And So On, You Can Use It With Stemedu's Breadboard Kit..
🚩 With 200 Pieces Of Green, Red, Blue, Yellow, And Orange Leds, This Led Diodes Kit Provides A Range Of Colors To Choose From For Your Circuit Design Needs. The Round Diodes Emit Bright And Consistent Light, Making Them Perfect..
🚩 Forward Voltage: R/Y/O 2.0-2.2V; B/G 3.0-3.2V;.
Features
- Lamp Diameter: 5 mm Round, Pin Length: 18mm.
- Forward Voltage: R/Y/O 2.0-2.2V; B/G 3.0-3.2V;
- Max. Current: 20mA.
- With 200 pieces of green, red, blue, yellow, and orange LEDs, this LED diodes kit provides a range of colors to choose from for your circuit design needs. The round diodes emit bright and consistent light, making them perfect.
- These 5mm Led diode kits are suitabel for variety of applications, including PCB board circuit projects DIY, Arduino, Raspberry Pi, science projects, electronic experiment, breadboard and so on, you can use it with Stemedu's breadboard kit.
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Brand: Stemedu | Manufacturer: Stemedu
Warranty: None.
See On Amazon #22
Stemedu 10pcs IR Infrared Obstacle Avoidance Sensor Objects Distance Detection Module for Arduino Smart Car Robot (Pack of 10)
Asin: B0BZ4LFVK6
🚩 Working Voltage Is 3.3V To 5V, Effective Distance Range 2 ~ 30Cm, The Detection Range Can Be Adjusted Through The Potentiometer.
🚩 This Ir Sensor Can Be Widely Used In Robot Obstacle Avoidance, Obstacle Avoidance Car, Drones, Line Count, And Black And White Line Tracking And Other Automated Systems That Require Obstacle Detection And Avoidance..
🚩 Small Interference, Easy To Assemble And Use.
🚩 This Infrared Obstacle Avoidance Sensor Module Consists Of An Ir Emitter And An Ir Receiver. The Ir Emitter Emits Infrared Radiation That Is Reflected Back By The Obstacle, And The Ir Receiver Detects This Reflected Radiation.
Features
- An IR (infrared) obstacle avoidance sensor module is an electronic device used to detect the presence of obstacles or objects in its proximity using infrared radiation
- This infrared obstacle avoidance sensor module consists of an IR emitter and an IR receiver. The IR emitter emits infrared radiation that is reflected back by the obstacle, and the IR receiver detects this reflected radiation
- Working voltage is 3.3V to 5V, effective distance range 2 ~ 30cm, the detection range can be adjusted through the potentiometer
- Small interference, easy to assemble and use
- This IR sensor can be widely used in robot obstacle avoidance, obstacle avoidance car, drones, line count, and black and white line tracking and other automated systems that require obstacle detection and avoidance.
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Brand: Stemedu | Manufacturer: Stemedu
Dimensions: 0.39 x 1.22 x 0.55 Inches
See On Amazon #23
Stemedu 150Pcs RM065 Adjustable Resistor Kit 15 Values 100 ohm - 1M ohm Multiturn Trimmer Potentiometer Assortment Set with Plastic Box
Asin: B0CDGYJFWH
🚩 Max Operating Voltage: 50 V.
🚩 Wide Applications: Audio Equipment, Electronic Devices, Televisions, Electric Fans, Household Appliances And Other Products..
🚩 15 Type Of Potentiometers: 100Ω(101),200Ω(201), 470Ω(471), 1Kω(102),3.3Kω(332), 4.7Kω(472), 10Kω(103), 20Kω(203), 30Kω(303), 47Kω(473), 100Kω(104), 200Kω(204), 300Kω(304), 500Ω(504), 1Mω(105).
🚩 Rated Power: 0.1W.
Features
- 150PCS Stemedu 100 ohm -1M ohm variable resistor potentiometer assortment kit in a plastic box.
- Rated power: 0.1W
- Max operating voltage: 50 V
- 15 type of Potentiometers: 100 (101),200 (201), 470 (471), 1K (102),3.3K (332), 4.7K (472), 10K (103), 20K (203), 30K (303), 47K (473), 100K (104), 200K (204), 300K (304), 500 (504), 1M (105)
- Wide applications: Audio equipment, electronic devices, televisions, electric fans, household appliances and other products.
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Brand: Stemedu | Manufacturer: Stemedu
See On Amazon #24
RCWL-0516 RCWL 0516 Microwave Radar Sensor + IR Human Sensor AM312 Mini Detector Module HC-SR312
Asin: B098WPBBQF
Rcwl-0516 Rcwl 0516 Microwave Radar Sensor Human Sensor Body Sensor Module.
Widely Applications: Security Products, The Human Body Sensors Toys, The Human Body Sensor Lighting, Industrial Automation And Control, Etc..
Wide Operating Voltage Range: 4.0-28.0V, Output 3.3V Power Supply.
Low Power Consumption And Small Size For Easy Embedded Installation..
Features
- HC-SR312 is a digital intelligent automatic control product based on passive human body infrared technology. It has high sensitivity and high reliability and is widely used in various automatic induction electrical equipment.
- Low power consumption and small size for easy embedded installation.
- RCWL-0516 RCWL 0516 Microwave Radar Sensor Human Sensor Body Sensor Module
- Wide operating voltage range: 4.0-28.0V, output 3.3V power supply
- Widely applications: Security Products, the human body sensors toys, the human body sensor lighting, industrial automation and control, etc.
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Brand: Stemedu
See On Amazon #25
LM2596 Adjustable Buck Converter with Voltmeter Display Buck Module DC-DC 4.0-40V to 1.25-37V 3A Voltage with Breadboard Wires
Asin: B0CJJKFD56
The Output Voltage Is 1.25V~37V (Adjustable); The Maximum Output Current Is 3A.
10Cm (4Inches) / 40Pin Female To Female Jumper Wires / 40Pin Male To Female Jumper Wires / 40Pin Male To Male Jumper Wires, 20Cm (8Inches) / 40Pin Female To Female Jumper Wires / 40Pin Male To Female Jumper Wires / 40Pin Male To Male Jumper Wires (Total 240Pcs).
240Pcs Multicolored Dupont Cable 20Cm 10Cm Breadboard Prototyping Wires.
The Input Voltage Is 2.5V~40V, And The Input Voltage Must Be More Than 1V Higher Than The Output Voltage.
Features
- LM2596 DC-DC adjustable step-down module, with voltmeter display, voltmeter error 0.1V, measuring range 4~40V (When Input voltage lower than 4V, on-board voltmeter does not work and does not display)
- The input voltage is 2.5V~40V, and the input voltage must be more than 1V higher than the output voltage
- The output voltage is 1.25V~37V (adjustable); The maximum output current is 3A
- 240pcs Multicolored Dupont Cable 20cm 10cm Breadboard Prototyping Wires
- 10cm (4inches) / 40pin Female to Female jumper wires / 40pin Male to Female jumper wires / 40pin Male to Male jumper wires, 20cm (8inches) / 40pin Female to Female jumper wires / 40pin Male to Female jumper wires / 40pin Male to Male jumper wires (Total 240pcs)
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Brand: Stemedu
See On Amazon #26
5PCS Capacitive Soil Moisture Sensor Corrosion Resistant and Dupont Jumper Wires 240pins
Asin: B0CJB9FV11
Built-In Voltage Regulator Chip, Support 3.3-5.5V Dc, Can Be Used For Your Arduino And Raspberry Pi Project. Applications: Garden Plants ,Moisture Detection ,Intelligent Agriculture.
Perfect Match Of Female Male Connectores With The High Friction To Hold The Male Ends Tightly; Adequate Pin Ends Length; They Fit Excellently Into The Breadboard.
240Pcs Multicolored Dupont Wire 40Pin Male To Female, 40Pin Male To Male, 40Pin Female To Female Breadboard Jumper Wires Kit.
This Capacitive Soil Moisture Sensor Distinguishes Most Of The Resistive Sensors On The Market And Uses Capacitive Sensing To Detect Soil Moisture. It Is Made Of Corrosion Resistant Material Which Gives It An Excellent Service Life..
Features
- Interface: PH2.54-3P, Size: 98 x 23mm (LxW)
- This capacitive soil moisture sensor distinguishes most of the resistive sensors on the market and uses capacitive sensing to detect soil moisture. It is made of corrosion resistant material which gives it an excellent service life.
- Built-in voltage regulator chip, support 3.3-5.5V DC, can be used for your Arduino and Raspberry Pi project. Applications: Garden plants ,Moisture detection ,Intelligent agriculture
- 240PCS Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Kit
- Perfect match of female male connectores with the high friction to hold the male ends tightly; Adequate pin ends length; They fit excellently into the breadboard
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Brand: Stemedu
See On Amazon #27
Capacitive Soil Moisture Sensor Corrosion Resistant Breadboard Jumper Wire Kits
Asin: B0CJB96GC8
Perfect Match Of Female Male Connectores With The High Friction To Hold The Male Ends Tightly; Adequate Pin Ends Length; They Fit Excellently Into The Breadboard.
With Self-Adhesive Tape On The Back, Make It Easy To Stick On The Prototype Shield.
400 Point Solderless Breadboard, White Pp Plastic Body With Black Printed Legend. Color Legend On Distribution Strips.
Multicolored Breadboard Prototyping Wires 40Pin M-M, 40Pin M-F, 40Pin F-F Jumper Wire Kit.
Features
- This capacitive soil moisture sensor distinguishes most of the resistive sensors on the market and uses capacitive sensing to detect soil moisture. It is made of corrosion resistant material which gives it an excellent service life.
- Multicolored breadboard prototyping wires 40pin M-M, 40pin M-F, 40pin F-F jumper wire kit
- Perfect match of female male connectores with the high friction to hold the male ends tightly; Adequate pin ends length; They fit excellently into the breadboard
- 400 point solderless breadboard, white PP plastic body with black printed legend. Color legend on distribution strips
- With self-adhesive tape on the back, make it easy to stick on the Prototype Shield
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Brand: Stemedu
See On Amazon #28
42PCS Universal PCB Board Prototype Dupont Jumper Wires 240pins Breadboard Cables Kit
Asin: B0CJ9B2S8Z
Double-Sided Prototyping Board Is More Flexible, Stronger And More Reliable Than Single-Sided Protoboard, And Has Better Temperature Resistance And Heat Dissipation.
The Cables Can Be Separated To Form An Assembly Containing The Number Of Wires You Require For Your Connection And To Support Non-Standard Odd-Spaced Headers..
120Pcs 10Cm And 120Pcs 20Cm Breadboard Jumper Wires Dupont Cable Assorted Kit Male To Female Multicolored Ribbon Cables.
2.54 Mm Pitch, Durable Glass Fiber Fr4 Material With 1.6Mm Thickness.
Features
- 6 different sizes solderless universal PCB board, standard 2.54mm pitch, suitable for Arduino Raspberry Pi electronic projects
- 2.54 mm pitch, durable glass fiber FR4 material with 1.6mm thickness
- Double-sided Prototyping board is more flexible, stronger and more reliable than single-sided protoboard, and has better temperature resistance and heat dissipation
- 120pcs 10cm and 120pcs 20cm Breadboard Jumper Wires Dupont Cable Assorted Kit Male to Female Multicolored Ribbon Cables
- The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers.
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Brand: Stemedu
See On Amazon #29
Bundle of 42PCS Solderless Double-Sided Protoboard PCB Board, 2PCS Small Breadboards
Asin: B0CJ97GKJQ
6 Different Sizes Solderless Universal Pcb Board, Standard 2.54Mm Pitch, Suitable For Arduino Raspberry Pi Electronic Projects.
Good For Arduino Breadboard Jumper Wires Kit Project And Other Electrical Diy Kits..
400 Point Breadboards Are Available To Meet Your Various Experimental Needs..
2.54 Mm Pitch, Durable Glass Fiber Fr4 Material With 1.6Mm Thickness.
Features
- 42 pieces double sided PCB board through holes prototype board kit, includes 8x40pin male headers
- 2.54 mm pitch, durable glass fiber FR4 material with 1.6mm thickness
- 6 different sizes solderless universal PCB board, standard 2.54mm pitch, suitable for Arduino Raspberry Pi electronic projects
- 400 point breadboards are available to meet your various experimental needs.
- Good for Arduino Breadboard Jumper Wires kit Project and other Electrical DIY kits.
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Brand: Stemedu
See On Amazon #30
200PCS 5MM LED Diodes Emitting Light Assortment Kit and 240PCS Breadboard Jumper Wires
Asin: B0CHHXZ5JX
🚩 Forward Voltage: R/Y/O 2.0-2.2V, B/G 3.0-3.2V.
🚩 Male To Female, Male To Male, Female To Female Jumper Cable Compatible With Arduino Projects And Raspberry Pi.
🚩 240Pcs Breadboard Dupont Wires Kit 10Cm And 20Cm.
🚩 Emitting Color: Orange/Red/Yellow/Green/Blue.
Features
- Lamp Diameter: 5 mm Round
- Emitting Color: Orange/Red/Yellow/Green/Blue
- Forward Voltage: R/Y/O 2.0-2.2V, B/G 3.0-3.2V
- 240pcs breadboard dupont wires kit 10CM and 20CM
- Male to Female, Male to Male, Female to Female jumper cable compatible with Arduino projects and Raspberry Pi
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Brand: Stemedu
See On Amazon