Haldzemo - Buying Guide
Last Updated: 05/01/2024
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Haldzemo Inductive Proximity Sensor SN04-N Normally Open Detection Approach Switch NPN NO with TL PL SN Bracket (Blue, 4 Pack)
Asin: B0CLVBGT5P
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟You Will Get 4Pcs Inductive Proximity Switch + 4Pcs Sn Bracket.
🌟When Proximity Switch Is Close To Some Target Object, It Will Send Out Control Signal. Widely Used For Machine Tool Industry, Frequency Counters And Other Automatic Control System, Or You Can Use It For Diy 3D Printer..
🌟Led Working Indicator: Signal Indicator, When Sensing Metal Objects The Light Is On For Normally Open, The Light Is Off For Normally Closed..
Features
- Inductive Proximity Switch Type: SN04-N, 3 Wire NPN NO. Detecting Distance: 4mm. Supply Voltage: 5-30VDC, Current Output: 300mA.
- LED working indicator: signal indicator, when sensing metal objects the light is on for normally open, the light is off for normally closed.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- When proximity switch is close to some target object, it will send out control signal. Widely used for machine tool industry, frequency counters and other automatic control system, or you can use it for DIY 3D Printer.
- You will get 4pcs inductive proximity switch + 4pcs SN Bracket
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #2
Haldzemo M8 M12 M18 SN04 L-Shaped Straight I Type Mounting Iron Bracket for Photoelectric Switch Inductive Proximity Sensor (10 Pack, M18-L Type)
Asin: B0CLVCG4TQ
🌟M12 I Type Size: 73*20*2Mm, Weight: 16G. M12 L Type Size: 38+38*20*2Mm, Weight: 16G.
🌟Apply To Photoelectric Switch Inductive Proximity Sensor.
🌟M18 I Type Size: 87*26*2Mm, Weight: 24G. M18 L Type Size: 43+47*26*2Mm, Weight: 24G.
🌟M8 I Type Size: 59*16*2Mm, Weight: 11G. M8 L Type Size: 34+39*16*2Mm, Weight: 11G.
Features
- Bracket Type: M8/M12/M18, Material: Iron, Color: Silver.
- M8 I Type Size: 59*16*2mm, Weight: 11g. M8 L Type Size: 34+39*16*2mm, Weight: 11g
- M12 I Type Size: 73*20*2mm, Weight: 16g. M12 L Type Size: 38+38*20*2mm, Weight: 16g
- M18 I Type Size: 87*26*2mm, Weight: 24g. M18 L Type Size: 43+47*26*2mm, Weight: 24g
- Apply to photoelectric switch inductive proximity sensor
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #3
Haldzemo MAX7219 8x8 Dot Matrix LED Display Module 5V MCU Control LED Dot Matrix for Arduino Raspberry Pi (Blue, 4 Pack)
Asin: B0C945HJNX
🌟Size: 32*32*13Mm, Weight:12G.
🌟Modules With Input And Output Interfaces, Support For Cascading Multiple Modules..
🌟With 4 Fixing Screw Holes For Easy Installation, Diameter 3Mm..
🌟Operating Voltage: 5V, Mcu Control.
Features
- MAX7219 8x8 dot matrix common cathode LEDs, three color options: red, green, blue.
- Operating voltage: 5V, MCU control
- Size: 32*32*13mm, Weight:12g
- With 4 fixing screw holes for easy installation, diameter 3mm.
- Modules with input and output interfaces, support for cascading multiple modules.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #4
Haldzemo 0.56 Inch Two-Wire Digital Voltage Display 3 Bits DC 4.5-30V LED Voltmeter Waterproof Display Voltage Tester Meter with Plastic Shell (Multicolored, 9 Pack)
Asin: B0BWJFZ63Y
🌟Easy To Connect, Only Two Wires Need To Be Connected, The Red Wire To Connect Positive, Black Wire To Connect Negative. The Voltmeter Has Reverse Protection, Reverse Does Not Burn..
🌟This Voltmeter Can Be Used To Monitor The Battery Voltage Of Motorcycles And Automobiles To Grasp The Battery Status In Time. It Can Also Be Used For Other Voltage Measurement Purposes..
🌟Accurate To 0.01V Below 10V, Accurate To 0.1V Above 10V, 1% Error Allowed (±1)..
🌟It Can Test Directly And No Need Of Power Supply, And The Working Voltage Range Is 4.5-30V, Easy To Install And Use..
Features
- 0.56" 2-wire digital voltage display three color options: red, green, blue.
- It can test directly and no need of power supply, and the working voltage range is 4.5-30V, easy to install and use.
- Easy to connect, only two wires need to be connected, the red wire to connect positive, black wire to connect negative. The voltmeter has reverse protection, reverse does not burn.
- Accurate to 0.01V below 10V, accurate to 0.1V above 10V, 1% error allowed ( 1).
- This voltmeter can be used to monitor the battery voltage of motorcycles and automobiles to grasp the battery status in time. It can also be used for other voltage measurement purposes.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #5
Haldzemo DHT22 AM2302 Digital Temperature and Humidity Sensor Capacitive Temp Humidity Monitor Digital Measurement Module Replace SHT11 SHT15 for Raspberry Pi (4 Pack)
Asin: B0CT5GGQN5 | Model: HZ040 | PartNumber: HZ040
🌟4-Pin Single Row Pin Package, Convenlent Connection, Easy Installation. With Fixing Screw Hole, Convenient For Install And Fixed..
🌟The Dht22 Is A Reliable Sensor For Determining Temperature And Humidity. The Output Is Serial As A Digital Bit Sequence.The Sensor Is Ideal To Monitor The Room Climate Or To Build A Weather Station..
🌟Feature: Ultra-Low Power, No Additional Components, Capacitive Humidity Sensor, Excellent Long-Term Stability, High-Precision Ntc, Full Automatic Calibration, Digital Output. Completely Interchangeable, Long Distance Signal Transmission, Standard Digital Single Bus Output, Relative Humidity And Temperature Measurement..
🌟4 Pins Sequence Number: Pin1-Vdd (Power 3.3V-5.5V); Pin2-Sda, Serial Data Interface, Two-Way Interface; Pin3-Nc, No Connect; Pin4-Gnd (Ground)..
Features
- Model: DHT22. Main Chip: AM2302 high sensitive temperature humidity sensor. The AM2302 sensor can be operated with both 3.3V and 5V.
- 4 Pins Sequence Number: Pin1-VDD (Power 3.3V-5.5V); Pin2-SDA, serial data interface, two-way interface; Pin3-NC, no connect; Pin4-GND (Ground).
- 4-pin single row pin package, convenlent connection, easy installation. With fixing screw hole, convenient for install and fixed.
- Feature: Ultra-low power, no additional components, capacitive humidity sensor, excellent long-term stability, high-precision NTC, full automatic calibration, digital output. Completely interchangeable, long distance signal transmission, Standard digital single bus output, Relative humidity and temperature measurement.
- The DHT22 is a reliable sensor for determining temperature and humidity. The output is serial as a digital bit sequence.The sensor is ideal to monitor the room climate or to build a weather station.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #6
Haldzemo MAX7219 8x8 Dot Matrix LED Display Module 5V MCU Control LED Dot Matrix for Arduino Raspberry Pi (Multicolor, 2 Pack of Each Color)
Asin: B0CLV7FMY8
🌟Size: 32*32*13Mm, Weight:12G.
🌟Modules With Input And Output Interfaces, Support For Cascading Multiple Modules..
🌟With 4 Fixing Screw Holes For Easy Installation, Diameter 3Mm..
🌟Operating Voltage: 5V, Mcu Control.
Features
- MAX7219 8x8 dot matrix common cathode LEDs, three color options: red, green, blue. You will receive 2 of each color.
- Operating voltage: 5V, MCU control
- Size: 32*32*13mm, Weight:12g
- With 4 fixing screw holes for easy installation, diameter 3mm.
- Modules with input and output interfaces, support for cascading multiple modules.
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Brand: Haldzemo | Manufacturer: Haldzemo
Weight: 0.03 Pounds
See On Amazon #7
Haldzemo 0.28 Inch Three-Line Voltage Meter Mini LED Digital Voltmeter Gauge (Blue, 8 Pack)
Asin: B0BNX72K47
🌟It Can Work With 5V, 9V, 12V And 24V. Adjustable Voltage Resistance, Rotate Clockwise To Lower The Voltage..
🌟Size: 30*10*8Mm, Weight: 5G. Quantity: 8Pcs..
🌟The Display Color Of Digital Voltmeter: Blue..
🌟Note: The Three-Wire Voltage Range Of 0-100V, Can Also Be Used For The Second Line But The Voltage Should Be Within 30V..
Features
- 3-wire digital voltmeter detection voltage: DC 0~100V, working voltage: 4~30V (with reverse connection protection function).
- Note: The three-wire voltage range of 0-100V, can also be used for the second line but the voltage should be within 30V.
- It can work with 5V, 9V, 12V and 24V. Adjustable voltage resistance, Rotate clockwise to lower the voltage.
- The display color of digital voltmeter: blue.
- Size: 30*10*8mm, weight: 5g. Quantity: 8pcs.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #8
Haldzemo MAX7219 32x8 Dot Matrix LED Display Module 4 in 1 Common Cathode MCU Control with 5Pin Wire for Arduino (Blue, 2 Pack)
Asin: B0C96NKHQ2
🌟Size: 128*32*13Mm, Weight:46G. 5Pin Female-To-Female Dupont Cable Length Is 16Cm..
🌟Modules With Input And Output Interfaces, Support For Cascading Multiple Modules..
🌟With 64 Fixing Screw Holes For Easy Installation, Diameter 3Mm..
🌟Operating Voltage: 5V, Mcu Control. It Is Compatible With For Arduino, Raspberry Pi And Other Development Boards..
Features
- MAX7219 32x8 dot matrix common cathode LEDs, three color options: red, green, blue.
- Operating voltage: 5V, MCU control. It is compatible with for Arduino, Raspberry Pi and other development boards.
- Size: 128*32*13mm, Weight:46g. 5Pin female-to-female Dupont Cable length is 16cm.
- With 64 fixing screw holes for easy installation, diameter 3mm.
- Modules with input and output interfaces, support for cascading multiple modules.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #9
Haldzemo Inductive Proximity Sensor M12 LJ12A3-2-Z/BX Normally Open Detection Approach Switch 2mm NPN NO Flush Switch 3 Wire DC 6V-36V (4 Pack)
Asin: B0CT8B5Y29
🌟Led Working Indicator: Signal Indicator, When Sensing Metal Objects The Light Is On For Normally Open, The Light Is Off For Normally Closed..
🌟When Proximity Switch Is Close To Some Target Object, It Will Send Out Control Signal. It Is Widely Used In Machine, Paper Making, Light Industry For Limiting Station, Orientation Taking Count, Speeding Trial Ect..
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟Supply Voltage: 6-36Vdc, Current Output: 300Ma..
Features
- Inductive Proximity Switch Type: LJ12A3-2-Z/BX, 3 Wire NPN NO. Detecting Distance: 2mm, Diameter: 12mm.
- Supply Voltage: 6-36VDC, Current Output: 300mA.
- LED working indicator: signal indicator, when sensing metal objects the light is on for normally open, the light is off for normally closed.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- When proximity switch is close to some target object, it will send out control signal. It is widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial ect.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #10
Haldzemo TM1637 0.36" 4 Bits 7-Segment Digital LED Display Module with Clock Display Common Anode Red Digital Tube Board for Arduino Raspberry Pi (6 Pack)
Asin: B0C96R89TG
🌟Control Interface Level Can Be 5V Or 3.3V..
🌟4Pcs M2 Screw Holes For Easy Installation, Hole Diameter Is 2.2Mm..
🌟Control Interface: A Total Of 4 Pins (Gnd, Vcc, Dio, Clk), Gnd To Ground, Vcc For The Power Supply, Dio For The Data Input And Output Pins, Clk For The Clock Signal Pin..
🌟Led Display: 0.36 Inch, Color: Red, Size: 42*24*12Mm, Weight: 10G..
Features
- The driver IC is TM1637, only two signal lines can make MCU control 4 Digit 8-segment LED.
- LED Display: 0.36 inch, Color: Red, Size: 42*24*12mm, Weight: 10g.
- Control interface level can be 5V or 3.3V.
- Control interface: a total of 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin.
- 4pcs M2 screw holes for easy installation, hole diameter is 2.2mm.
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Brand: Haldzemo | Manufacturer: Haldzemo
Weight: 0.02 Pounds
See On Amazon #11
Haldzemo M12 Inductive Proximity Sensor LJ12A3-4-Z/AX Normally Close Detection Approach Switch NPN NC 3 Wire DC 6V-36V with I Type Bracket (2 Pack, NPN NC+I Type)
Asin: B0CKSZ4CJF
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟It Is Widely Used In Machine, Paper Making, Light Industry For Limiting Station, Orientation Taking Count, Speeding Trial Ect..
🌟You Will Get 2Pcs Inductive Proximity Switch + 2Pcs I-Type Bracket.
🌟When Proximity Switch Is Close To Some Target Object, It Will Send Out Control Signal..
🌟Led Working Indicator: Signal Indicator, When Sensing Metal Objects The Light Is On For Normally Open, The Light Is Off For Normally Closed..
Features
- Inductive Proximity Switch Type: LJ12A3-4-Z/AX, 3 Wire NPN NC. Detecting Distance: 4mm, Diameter: 12mm, Supply Voltage: 6-36VDC, Current Output: 300mA.
- LED working indicator: signal indicator, when sensing metal objects the light is on for normally open, the light is off for normally closed.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- When proximity switch is close to some target object, it will send out control signal.
- It is widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial ect.
- You will get 2pcs inductive proximity switch + 2pcs I-Type Bracket
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #12
Haldzemo Inductive Proximity Sensor M12 LJ12A3-4-Z/BX Normally Open Detection Approach Switch 4mm NPN NO 3 Wire DC 6V-36V (4 Pack)
Asin: B0C2PZBZDR
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟It Is Widely Used In Machine, Paper Making, Light Industry For Limiting Station, Orientation Taking Count, Speeding Trial Ect..
🌟When Proximity Switch Is Close To Some Target Object, It Will Send Out Control Signal..
🌟Supply Voltage: 6-36Vdc, Current Output: 300Ma, Frequency: 500Hz..
Features
- Inductive proximity switch type: LJ12A3-4-Z/BX, 3 Wire NPN NO. Detecting Distance: 4mm, Diameter: 12mm.
- Supply Voltage: 6-36VDC, Current Output: 300mA, Frequency: 500Hz.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- When proximity switch is close to some target object, it will send out control signal.
- It is widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial ect.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #13
Haldzemo MAX7219 8-Digit 7-Segment Digital 0.36" 8 Bits Red LED Display Tube Module for Arduino 51/AVR/STM32 (6 Pcak)
Asin: B0C2PQ3DTZ
🌟Wiring Instructions (A Program, For Example, You Can Pick Any Io Port Definition Can Be Modified In The Program): Vcc To 5V, Gnd To Gnd, Din To P00, Clk To P02, Cs To P01..
🌟Application: Led Matrix Displays, Panel Meters, Industrial Controllers, 7-Segment Displays, Bar-Graph Displays..
🌟Note: Vcc And Gnd Do Not Reversed, It Would Burn The Chip..
🌟Only Need Three Io Ports Can Drive 8 Bit Digital Tube. Max7219 Supports Flicker Free Displays As Well As Cascading Displays..
Features
- MAX7219 digital display control module is 0.36 inch 4-bit integrated common cathode digital tube, it compatible for 5V/3.3V microcontroller (51/AVR/STM32...).
- Only need three IO ports can drive 8 bit digital tube. MAX7219 supports flicker free displays as well as cascading displays.
- Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program): VCC to 5V, GND to GND, DIN to P00, CLK to P02, CS to P01.
- Note: VCC and GND do not reversed, it would burn the chip.
- Application: LED Matrix Displays, Panel Meters, Industrial Controllers, 7-Segment Displays, Bar-Graph displays.
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Brand: Haldzemo | Manufacturer: Haldzemo
Weight: 0.82 Pounds
See On Amazon #14
Haldzemo NJK-5002C Hall Effect Sensor M12 Proximity Switch NPN NO 3 Wires Detection Approach Switch 10mm Normally Open (4 Pack)
Asin: B0CT8D4PGN | Model: HZ042X4 | PartNumber: HZ042X4
🌟Led Working Indicator: Signal Indicator, When Sensing Metal Objects The Light Is On For Normally Open, The Light Is Off For Normally Closed..
🌟You Will Get 4Pcs Hall Effect Sensor Proximity Switch.
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟Shape: Cylindrical, Cable Length: 1.2M, Size: M12*1*40Mm, Weight: 38G..
Features
- Hall Effect Sensor Proximity Switch Type: NJK-5002C, 3 Wire NPN NO. Detecting Distance: 10mm, Diameter: 12mm.
- Shape: Cylindrical, Cable Length: 1.2M, Size: M12*1*40mm, Weight: 38g.
- LED working indicator: signal indicator, when sensing metal objects the light is on for normally open, the light is off for normally closed.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- You will get 4pcs hall effect sensor proximity switch
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Brand: Haldzemo | Manufacturer: Haldzemo
Weight: 0.08 Pounds
See On Amazon #15
Haldzemo 4 Cell 1.5V AA Battery Holder Case Box with 2P JR Connector Terminal Black Red Wire Leads for Servo Tester (6 Pack)
Asin: B0CH89PR44
🌟4 X 1.5V Aa Battery Holder Case Box, Great Replacement, Easy To Install Your Battery, Ideal For Your Electric Projects, Can Provide A 6V Voltage..
🌟Applications: Toys, Electronic Diy, Bread Board Power Supply, Led Lighting Power Supply, Low Voltage Electrical Equipment, Remote Control, Wireless Keyboard, Electronic Calculators, Doorbell, Mobile Digital Recorder..
🌟Jr Connector For All 1/8 1/10 Rc Power Car. Use For Rc Vehicle Receiver, Servo Tester, Trucks, Planes, Robotics, Drones Or Any Other Project..
🌟Size: 56*30*29Mm, Weight: 10G, Cable Length: About 15Cm..
Features
- Battery Type: 4 cell 1.5V AA battery, Terminal: JR plug, Noted that AA batteries are not included.
- Size: 56*30*29mm, Weight: 10g, Cable length: About 15cm.
- 4 x 1.5V AA battery holder case box, great replacement, easy to install your battery, ideal for your electric projects, can provide a 6V voltage.
- JR connector for all 1/8 1/10 RC power car. Use for RC Vehicle Receiver, servo tester, trucks, planes, robotics, drones or any other project.
- Applications: toys, electronic DIY, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, wireless keyboard, electronic calculators, doorbell, mobile digital recorder.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #16
Haldzemo 0.36 Inch 2 Wire 0.36" LED Micro Digital Tube DC 2.7V-30V Voltage Meter with Reverse Connection Protection (Blue, 8 Pack)
Asin: B0BNXBG5CS
🌟High Accuracy, Decimal Point Automatically Shifted..
🌟With Reverse Connection Protection, Reverse Connection Does Not Burn..
🌟When The Supply Voltage Is Lower Than 3.5V, Only The Brightness Is Reduced, But It Does Not Affect The Measurement Accuracy..
🌟Maximum Input: Dc32.0V. (Note: Input Voltage Higher Than 32V May Be Permanently Damaged!).
Features
- Operating voltage: DC 0-30V(Red DC4.8-30V, Green DC2.7-32V, Blue DC3.0-30V). Operating current: Red less than 23mA, Green less than 18mA, Blue less than 13mA.
- Maximum input: DC32.0V. (Note: Input voltage higher than 32V may be permanently damaged!)
- High accuracy, decimal point automatically shifted.
- When the supply voltage is lower than 3.5V, only the brightness is reduced, but it does not affect the measurement accuracy.
- With reverse connection protection, reverse connection does not burn.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #17
Haldzemo W1209 Temperature Controller Module DC12V LED Display Digital Thermostat Electronic Temperature Temp Controller Board Switch with Case
Asin: B0CH88RHVJ
🌟Module Size: 48*40*16Mm, Weight:23G. Transparent Case Size: 63*56*18Mm, Weight: 20G..
🌟Widely Used In Hatching Field, Equipment Chassis, Air Conditioning System, Temperature Control Protection And Other Fields..
🌟Waterproof Ntc Probe Stainless Steel Shell: 4*20Mm, Cable Length: 50Cm..
🌟Supply Voltage: Dc 12V, Output Power: 10A Relay. 3-Digit Led Display Color: Red.
Features
- W1209 digital thermostat with Waterproof NTC 10K Probe. Easy to install and use, with transparent shell.
- Supply Voltage: DC 12V, Output Power: 10A relay. 3-digit LED Display Color: Red
- Module Size: 48*40*16mm, weight:23g. Transparent Case Size: 63*56*18mm, weight: 20g.
- Waterproof NTC Probe Stainless steel shell: 4*20mm, Cable Length: 50cm.
- Widely Used in Hatching field, equipment chassis, air conditioning system, temperature control protection and other fields.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #18
Haldzemo 3M DS18B20 Temp Sensor Waterproof Digital Stainless Steel Tube Temperature Probe 118.1 inch with XH2.54 Terminal Connector for Arduino (6 Pack)
Asin: B0BPR2X9D7
🌟Stainless Steel Shell: 6*50Mm, Cable Length: 300Cm(118.1 Inch)..
🌟This Ds18b20 Temperature Sensor Is Compatible With Arduino And Raspberry Pi. Widely Applications Can Be Used In Refrigerator, Constant Box, Thermostatic Controls, Industrial Systems, Any Thermally Sensitive System, Etc..
🌟9-12 Digits Adjustable Resolution. Waterproof Level Performance: Ip68..
🌟Power Supply Range: Dc 3V To 5V. Output: Red (Vcc), Yellow (Data), Black(Gnd)..
Features
- Main chip is imported DS18B20 chip, waterproof temp probe. With XH2.54 Terminal.
- Power supply range: DC 3V to 5V. Output: red (VCC), yellow (DATA), black(GND).
- Stainless steel shell: 6*50mm, Cable length: 300cm(118.1 inch).
- 9-12 digits adjustable resolution. Waterproof level performance: IP68.
- This DS18B20 temperature sensor is compatible with Arduino and Raspberry Pi. Widely applications can be used in refrigerator, constant box, thermostatic controls, industrial systems, any thermally sensitive system, etc.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #19
Haldzemo 0.56" Digital Voltage Display Three-Wire LED Voltmeter Gauge Display Panel DC 4.5-30V Voltage Tester Meter with Plastic Case (Blue, 8 Pack)
Asin: B0BWJFTJVC
🌟High Accuracy: 1% Error Allowed, Accurate To 0.01V Below 10V, Accurate To 0.1V Above 10V..
🌟This Voltmeter Can Be Used To Monitor The Battery Voltage Of Motorcycles And Automobiles To Grasp The Battery Status In Time. It Can Also Be Used For Other Voltage Measurement Purposes..
🌟The Voltmeter Has Reverse Connection Protection, Reverse Does Not Burn..
🌟Working Voltage: 0V-30V, Low-Start Working Voltage: Red Is 4.5V, Green Is 5.0V, Blue Is 5.0V..
Features
- 0.56" 3-wire digital voltage display three color options: red, green, blue.
- Working voltage: 0V-30V, Low-start working voltage: red is 4.5V, green is 5.0V, blue is 5.0V.
- High accuracy: 1% error allowed, accurate to 0.01V below 10V, accurate to 0.1V above 10V.
- The voltmeter has reverse connection protection, reverse does not burn.
- This voltmeter can be used to monitor the battery voltage of motorcycles and automobiles to grasp the battery status in time. It can also be used for other voltage measurement purposes.
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Brand: Haldzemo | Manufacturer: Haldzemo
Weight: 0.04 Pounds
See On Amazon #20
Haldzemo DS18B20 Temperature Sensor Waterproof Digital Stainless Steel Tube Temp Probe 3M 118.1" with 4.7K Resistor for Arduino (6 Pack)
Asin: B0BWRH12HQ
🌟Main Chip Is Imported Ds18b20 Chip, Waterproof Temp Probe. With 4.7Kω Resistor..
🌟This Ds18b20 Temperature Sensor Is Compatible With Arduino And Raspberry Pi. Widely Applications Can Be Used In Refrigerator, Constant Box, Thermostatic Controls, Industrial Systems, Any Thermally Sensitive System, Etc..
🌟9-12 Digits Adjustable Resolution. Waterproof Level Performance: Ip68..
🌟Power Supply Range: Dc 3V To 5V. Output: Red (Vcc), Yellow (Data), Black(Gnd)..
Features
- Stainless steel shell: 6*50mm, Cable length: 300cm(118.1 inch). Weight: 61g.
- Power supply range: DC 3V to 5V. Output: red (VCC), yellow (DATA), black(GND).
- Main chip is imported DS18B20 chip, waterproof temp probe. With 4.7K Resistor.
- 9-12 digits adjustable resolution. Waterproof level performance: IP68.
- This DS18B20 temperature sensor is compatible with Arduino and Raspberry Pi. Widely applications can be used in refrigerator, constant box, thermostatic controls, industrial systems, any thermally sensitive system, etc.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #21
Haldzemo LM317 DC-DC Buck Converter Step-Down Power Supply Module Adjustable Voltage Regulator (8 Pack)
Asin: B0BWMYWZ8V
🌟Size: 35Mmx17mmx22mm(Approx), Weight: 11G.
🌟Adjustable Three Terminal Regulator Module Can Replace 7805,7806,7809,7812,7824 And All Three Off Regulator Module.
🌟Input Mode: Vin Input Is Positive, The Gnd Input Negative Output Mode: Vout Output Is Positive, The Gnd Output Negative.
🌟Input Voltage: 4.2 - 40 V, Output Current: 1.5A (Minimum), 2.2A (Typ). The Input To Output Voltage Differential (Vi-Vo): 40Vdc (Max).
Features
- Type: LM317 module, Adjustable output voltage range: 1.2 - 37V
- Input voltage: 4.2 - 40 V, Output current: 1.5A (minimum), 2.2A (typ). The input to output voltage differential (VI-VO): 40Vdc (max)
- Size: 35mmx17mmx22mm(approx), Weight: 11g
- Input mode: VIN input is positive, the GND input negative Output mode: VOUT output is positive, the GND output negative
- Adjustable three terminal regulator module can replace 7805,7806,7809,7812,7824 and all three off regulator module
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #22
Haldzemo Breadboard Kits 1pc 830 Tie Points and 2pcs 400 Tie Points Solderless Breadboard + 65pcs Flexible Jumper Wires and 6pcs 170 Points Mini Bread Board
Asin: B0C996C8M7
🌟65Pcs M/M Flexible Jumper Wire: Accepts Wire Diameters Of 20-29Awg.
🌟These Little Breadboards Are Perfect For Arduino Shield Prototyping And Testing.
🌟These Breadboard With Self-Adhesive Tape On The Back, Make It Easy To Stick On The Prototype Shield.
🌟Breadboard Material: Abs Plastic Panel.
Features
- 830 Points and 400 Points Breadboard Voltage: 300V, Current:3-5A
- Breadboard Material: ABS Plastic Panel
- 65pcs M/M flexible jumper wire: accepts wire diameters of 20-29AWG
- These breadboard With self-adhesive tape on the back, make it easy to stick on the Prototype Shield
- These little breadboards are perfect for Arduino Shield prototyping and testing
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #23
Haldzemo DC5-15V NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Rectangular Wave Signal Generator Compatible for Arduino (9 Pack)
Asin: B0CY2VTLLF | Model: HZ039X9 | PartNumber: HZ039X9
🌟Used To Generate A Square Wave Signal To Drive A Stepper Motor Driver..
🌟High Level, Led Will Off. Low Frequency, The Led Flashes..
🌟Generates Adjustable Pulses For Use By The Mcu. Generate Adjustable Pulses To Control Related Circuits..
🌟Used As A Square Wave Signal Generator To Produce Square Wave Signals For Experimental Development..
Features
- Main Chip: NE555, Input voltage: 5V-15VDC (When power supply is 5V, the output current can be 15 MA around. When power supply is 12V, the output current can 35MA around.)
- Used as a square wave signal generator to produce square wave signals for experimental development.
- Used to generate a square wave signal to drive a stepper motor driver.
- Generates adjustable pulses for use by the MCU. Generate adjustable pulses to control related circuits.
- High level, LED will off. Low frequency, the LED flashes.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #24
Haldzemo NE555 DC12V 0 to 10 Second Delay Timer Relay Switch Adjustable Module Compatible for Arduino (9 Pack)
Asin: B0CY2T4Z4W | Model: HZ038X9 | PartNumber: HZ038X9
🌟Adjustable Delay Timer Switch Can Be Used With Other Circuits To Provide A Time Delay For Other Appliances..
🌟Compatible With Arduino, Raspberry Pi, Avr, Pic, 8051.
🌟The Delay Time Is Adjustable (0 To 10 Seconds), Can Control Ac 220V/10A Equipment (Maximum Control Equipment 2000W)..
🌟Possess Of Input Power Indicator And Relay Pull-In Indicator.
Features
- Main Chip: NE555, Operating voltage: 12V DC
- Possess of input power indicator and relay pull-in indicator
- Adjustable Delay timer switch can be used with other circuits to provide a time delay for other appliances.
- The delay time is adjustable (0 to 10 seconds), can control AC 220V/10A equipment (Maximum control equipment 2000W).
- Compatible with Arduino, Raspberry Pi, AVR, PIC, 8051
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Brand: Haldzemo | Manufacturer: Haldzemo
Dimensions: 0.40 x 2.70 x 0.80 Inches
See On Amazon #25
Haldzemo 2in1 1-8s Lipo Battery Voltage Tester RC Low Voltage Buzzer Alarm Battery Use for 1-8s Lipo Li-ion LiMn Li-Fe (6 Pack)
Asin: B0CY2HN263 | Model: HZ049X6 | PartNumber: HZ049X6
🌟Protect The Battery From Overcharging Or Overdischarging..
🌟The Front Of The Display Is Facing Up (The Digital Display), And The White Balance Charging Plug Of The Battery Is Inserted Along The Leftmost Pin Of The Display. The Display Will Immediately Beep Twice, And The Screen Will Display The Digital , If There Is No Response, Just Plug The Balance Charging Plug Backwards. There Is A Small Button On The Other End Of The Display To Set The Alarm Voltage Of The Display..
🌟When The Voltage Is Below The Set Value, It Will Buzzer With Red Led Light, Pre-Set Value 3.3V. Push Key Which Can Change The Voltage Settings And Save..
🌟Loud Alarm Sound Andaccurate Voltage Display, Display The Value Of Batterycell Voltages, Total Voltages, Lowest Cell Voltage, Remaining Battery Capacity And Low Voltage Alarm Funtion..
Features
- Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe. Automatic Protects Against Reverse Connection.
- Loud alarm sound andaccurate voltage display, display the Value of BatteryCell Voltages, Total Voltages, Lowest Cell Voltage, Remaining Battery Capacity and Low Voltage Alarm Funtion.
- Protect the Battery From Overcharging or Overdischarging.
- When the Voltage is Below the Set Value, It Will Buzzer with Red LED Light, Pre-set Value 3.3V. Push Key which Can Change the Voltage Settings and Save.
- The front of the display is facing up (the digital display), and the white balance charging plug of the battery is inserted along the leftmost pin of the display. The display will immediately beep twice, and the screen will display the digital , If there is no response, just plug the balance charging plug backwards. There is a small button on the other end of the display to set the alarm voltage of the display.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #26
Haldzemo 5V 3 Pins KY-008 650nm Dot Diode Copper Head Laser Sensor Transmitter Module for Arduino AVR (9 Pack)
Asin: B0CY23TL3V | Model: HZ047X9 | PartNumber: HZ047X9
🌟With Fixed Bolt Hole For Easy Installation.
🌟Can Be Use For Arduino Control, Doing Controllable Laser Pointer, Theft Detection, Etc. Interesting Application Devices..
🌟Laser Receiver Sensor Module Uses The Non Modulated Laser Receiver, Please Use In The Room Where Without The Light, The Sunlight Or Other Lamps And Lanterns Will Interfere, Suggested In The Dark Environment Use..
🌟Output Wavelength 650Nm.
Features
- Model: KY-008, Operating voltage: 5V
- Output wavelength 650nm
- With fixed bolt hole for easy installation
- Laser Receiver Sensor Module uses the non modulated laser receiver, please use in the room where without the light, the sunlight or other lamps and lanterns will interfere, suggested in the dark environment use.
- Can be use for Arduino control, doing controllable laser pointer, theft detection, etc. interesting application devices.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #27
Haldzemo 5V 3Pins Non-Modulator Tube Laser Sensor Receiver Detection Module for Arduino (9 Pack
Asin: B0CY228DF5 | Model: HZ048X9 | PartNumber: HZ048X9
🌟It Output High Level When Receive Laser Signal, And Low Level When Not..
🌟Please Use This Sensor In Dark Environments Or Indoors Where No Light. Sunlight Or Other Fixtures May Interfere..
🌟High Sensitivity, Can Be Received On The Front, Side, And Back Sides..
🌟The Non-Modulator Tube Laser Sensor Receiver Detection Module Operating Voltage Is 5V..
Features
- The sensor uses a non-modulated laser receiver.
- The Non-Modulator Tube Laser Sensor Receiver Detection Module Operating voltage is 5V.
- It output high level when receive laser signal, and low level when not.
- High sensitivity, can be received on the front, side, and back sides.
- Please use this sensor in dark environments or indoors where no light. Sunlight or other fixtures may interfere.
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #28
Haldzemo Square Inductive Proximity Sensor SN04-P Normally Close Detection Approach Switch PNP NO with TL PL SN Bracket (Blue, 4 Pack)
Asin: B0CQC89C2F
🌟Wiring Method: Brown Connect To Positive, Blue Connect To Negative, Black Connect To Load (Signal Output)..
🌟You Will Get 4Pcs Sn04-P Inductive Proximity Switch + 4Pcs Sn Bracket.
🌟When Proximity Switch Is Close To Some Target Object, It Will Send Out Control Signal. Widely Used For Machine Tool Industry, Frequency Counters And Other Automatic Control System, Or You Can Use It For Diy 3D Printer..
🌟Led Working Indicator: Signal Indicator, When Sensing Metal Objects The Light Is On For Normally Open, The Light Is Off For Normally Closed..
Features
- Inductive Proximity Switch Type: SN04-P, 3 Wire PNP NO. Detecting Distance: 4mm. Supply Voltage: 5-30VDC, Current Output: 300mA.
- LED working indicator: signal indicator, when sensing metal objects the light is on for normally open, the light is off for normally closed.
- Wiring Method: Brown connect to Positive, Blue connect to Negative, Black connect to Load (signal output).
- When proximity switch is close to some target object, it will send out control signal. Widely used for machine tool industry, frequency counters and other automatic control system, or you can use it for DIY 3D Printer.
- You will get 4pcs SN04-P inductive proximity switch + 4pcs SN Bracket
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Brand: Haldzemo | Manufacturer: Haldzemo
See On Amazon #29
Haldzemo Waterproof 1M DS18B20 Temperature Sensor Digital Stainless Steel Tube Temp Probe 39.3" with XH2.54 Terminal Connector for Arduino (6 Pack)
Asin: B0BPMWBGJQ
🌟Stainless Steel Shell: 6*50Mm, Cable Length: 100Cm(39.3 Inch)..
🌟This Ds18b20 Temperature Sensor Is Compatible With Arduino And Raspberry Pi. Widely Applications Can Be Used In Refrigerator, Constant Box, Thermostatic Controls, Industrial Systems, Any Thermally Sensitive System, Etc..
🌟9-12 Digits Adjustable Resolution. Waterproof Level Performance: Ip68..
🌟Power Supply Range: Dc 3V To 5V. Output: Red (Vcc), Yellow (Data), Black(Gnd)..
Features
- Main chip is imported DS18B20 chip, waterproof temp probe. With XH2.54 Terminal.
- Power supply range: DC 3V to 5V. Output: red (VCC), yellow (DATA), black(GND).
- Stainless steel shell: 6*50mm, Cable length: 100cm(39.3 inch).
- 9-12 digits adjustable resolution. Waterproof level performance: IP68.
- This DS18B20 temperature sensor is compatible with Arduino and Raspberry Pi. Widely applications can be used in refrigerator, constant box, thermostatic controls, industrial systems, any thermally sensitive system, etc.
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Brand: Haldzemo | Manufacturer: Haldzemo
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