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Best Electrical Sensor Blocks - Buying Guide

Last Updated: 01/20/2020

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Bestselling Electrical Sensor Blocks on Amazon

  1. HiLetgo MPU9250/6500 9-Axis 9 DOF 16 Bit Gyroscope Acceleration Magnetic Sensor 9-Axis Attitude +Gyr...
  2. Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3...
  3. MakerHawk 4pcs Analog Ceramic Piezo Vibration Sensor Module 3.3V/5V for Arduino DIY Kit
  4. HiLetgo Multi-Function Shield ProtoShield Multi-functional Expansion Board Sensor Shield Module witn...
  5. HiLetgo GY-271 QMC5883L 3-5V IIC Triple Axis Compass Magnetic Sensor Module Electronic Compass Modul...
  6. 0.96 Inch Yellow and Blue I2C IIC Serial 128X64 OLED Display Module for Arduino
  7. HiLetgo PT100 MAX31865 RTD Temperature Thermocouple Sensor Amplifier Module for Arduino
  8. PulseSensor.com the Real & Original Pulse Sensor plug-in for your project.
  9. Teensy++ 2.0
  10. HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino

  #1

HiLetgo MPU9250/6500 9-Axis 9 DOF 16 Bit Gyroscope Acceleration Magnetic Sensor 9-Axis Attitude +Gyro+Accelerator+Magnetometer Sensor Module IIC/SPI for Arduino GY-9250

Model: 3-01-0876   |    Mpn: 3-01-0876   |    PartNumber: 3-01-0876   |   Asin: B01I1J0Z7Y

Instruction
This module features the MPU-9250, which is a multi-chip module (MCM) consisting of two dies integrated into a single QFN package. One die houses the 3-Axis gyroscope and the 3-Axis accelerometer. The other die houses the AK8963 3-Axis magnetometer. Hence, the MPU-9250 is a 9-axis MotionTracking device that combines a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer, and a Digital Motion Processor (DMP). The MPU-9250 also features an embedded temperature sensor. This module includes pull-up resistors on the SDA, SCL, and nCS lines, pull-down resistors on the FSYNC and AD0 lines, and an on-board 3.3V voltage regulator allowing you to power the module from 5V sources such as an Arduino. If you desire to power the module from 3.3V you can bridge the solder jumper next to the voltage regulator to bypass the regulator.

Specifications:
* On-board pull-up resistors on SDA, SCL, and nCS
* On-board pull-down resistors on FSYNC and AD0
* 3-Axis Accelerometer
* Range: up to 16 g
* Sensitivity: up to 16,384 LSB/g
* 3-Axis Gyroscope
* Range: up to 2000 deg/sec
* Sensitivity: up to 131 LSB/deg/sec
* 3-Axis Magnetometer
* Range: 4800 T
* Sensitivity: 0.6 T/LSB
* Supply Voltage: 4.4 to 6.5 V or 3.3V if you solder the solder jumper near the on-board voltage regulator
* Interface: I2C
* 2C Address: 0x68 by default, 0x69 if AD0 is pulled high
* Board Dimensions: 25.5mm (1.004") long x 15.4mm (0.606") wide, 3mm (0.118") inside diameter of mounting holes
* Weight: 2.72g (0.096oz)

Package Included
1* MPU9250/6500 9-Axis 9 DOF 16 Bit Gyroscope Acceleration Magnetic Sensor
1* Ten pin male header (1x10)

Features

  • Main Chip MPU-9250
  • Power supply: 3-5V (internal low dropout regulator)
  • Communication: standard IIC communication protocol
  • Built-in 16bit AD converter, 16-bit data output
  • Using Immersion Gold PCB, machine welding process to ensure quality
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.3 x 2.3 x 3 inches (0.8 x 5.8 x 7.6 cm)

Amazon Price: $8.49 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.49

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  #2

Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3 Mega2560 Duemilanove Nano Robot XBee ZigBee S03

Model: S03s   |    Mpn: S03s   |    Ean: 0745360617986   |    PartNumber: S03s   |   Asin: B01JG09DCK

If you need more information, please contact us via email to get support.

Parameters:
1. Use voltage: DC5V
2. Quiescent current: less than 2mA
3. level output: high 5V low 0V
5. Induction angle: no more than 15 degrees
6. Detection range: 0.78~196 in/ (2cm~500cm)
7. High accuracy: up to 0.12 in/(0.3 cm)
8. Connection mode: VCC, trig (control), echo (receiving end), GND ground wire

Module working principle:
Pull the Trig pin to high level for more than 10us impulse, the module start ranging.
The module automatically sends eight 40KHz square wave to detect whether a signal is returned.
Finished ranging, If you find an object in front, Echo pin will be high level, and based on the different distance, it will take the different duration of high level.
So we can calculated the distance easily.The distance = ((Duration of high level)*(Sonic :340m/s))/2
Dimensions: 1.3 x 0.4 x 0.1 inch/3.03 x 1 x 0.25 cm (L*W*H)

Package included:
1) HC-SR04 Distance Sensor x5
2) Cartoon Mounting Bracket(Support HC-SR04 only) x2
3 Male to Female Jumper Wires x10

Smraza is a professional manufacturer on making all electronics components based on Arduino and Raspberry Pi.If you have any technical questions, please contact us by email to get support.

Features

  • Test mode :Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back.
  • The detection zone: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15
  • Power supply: 5V DC; Quiescent current: less than 2mA.
  • Test distance = ((Duration of high level)*(Sonic :340m/s))/2
  • Package included: 5pcs HC-SR04+ 2pcs Mounting Bracket(support HC-SR04 only)
  • See more on Amazon...

Brand: Smraza   |   Manufacturer: Smraza

Item Dimensions: 1.2 x 3.2 x 6.4 inches (3.0 x 8.1 x 16.3 cm)   |   Package Dimensions: 2 x 3.7 x 5.4 inches (5.1 x 9.4 x 13.7 cm)

Amazon Price: $9.59 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.59

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  #3

MakerHawk 4pcs Analog Ceramic Piezo Vibration Sensor Module 3.3V/5V for Arduino DIY Kit

 Ean: 0673400151612   |    PartNumber: EMLY4Q13V17J5CE30XD121   |   Asin: B07KS5NV4V

Description: Based on piezoelectric ceramic chip analog vibration makes use of the anti-transformation process of piezoelectric ceramic making the electric signals vibrate. When the piezoelectric ceramic shocking will generate an electrical signal, Controller analog port can be perceived slight vibration signals, Also can be realized with vibration interactions related works, such as electronic drums. Technical Parameter: Working Voltage: 3.3V or 5V Working Current: Operating Temperature Range: 10 70 Interface Type: Analog Signal Output Item Size: 30mm x 23mm GPIO: S; signal output, +; power supply (VCC), -; ground (GND) Input: Positive electrode of the piezoelectric ceramic Gnd: Negative electrode of the piezoelectric ceramic Features: 1. S-port is connected with the controller's analog input pin. 2. 5V and GND are respectively connected the power supply of + 5V and GND. 3. Input and Gnd are already connected with the piezoelectric ceramics' positive and negative. Package Including 4 * Ceramic Piezo Vibration Sensor

Features

  • This Ceramic Piezo Vibration Piece Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is proportional with the strength of vibration. So you can know the extent of vibration. Different from digital vibration sensor that only accounts times, this analog one can tell extent of vibration.
  • When the piezoelectric ceramic shocking will generate an electrical signal, controller analog port can be perceived slight vibration signals, also can be realized with vibration interactions related works, such as electronic drums.
  • Working Voltage: 3.3V or 5V. Working Current: 1mA. Interface Type: Analog Output.
  • Please connect analog voltage ceramic vibration sensor to the UNO controller's analog port A0 in accordance with the procedure, then observe the output value of serial port when the vibration degree is different, it can realize interactive works related to the vibration.
  • Strong After-sales Service Team: As long as you have any questions about the product, we will resolve your issue immediately if received your email, your satisfactory purchase experience is our greatest hope! How to email us? Plz click MakerHawk-US and click Ask a question to email us! Looking forward to your consultation!
  • See more on Amazon...

Brand: MakerHawk   |   Manufacturer: EMLY4Q13V17J5CE30XD121

Item Dimensions: 0.39 x 0.91 x 1.18 inches (1.0 x 2.3 x 3.0 cm)   |   Package Dimensions: 1.14 x 4.02 x 5.71 inches (2.9 x 10.2 x 14.5 cm)

Amazon Price: $9.88 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.88

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  #4

HiLetgo Multi-Function Shield ProtoShield Multi-functional Expansion Board Sensor Shield Module witn Four Digital Display for Arduino

Model: 3-01-1032-1   |    Mpn: 3-01-1032   |    PartNumber: 3-01-1032   |   Asin: B00QLZGR96

Features:
*The buzzer sound can be used for Sound experiments. (can alarm, pronunciation, etc.)
*Bluetooth, wireless interface, voice module, voice recognition module, you can make wireless communication experiment.
*Servo interface, easy to drive the servo.
*Infrared detection interface to facilitate docking and infrared, to achieve human traffic statistics.
*DS18B20 temperature sensor interface, you can do temperature measurement experiment. (Not including DS18B20).
*LM35 temperature sensor interface, temperature measurement can be done experiment (not including LM35.
*Integrated infrared receiver, can fit any infrared remote control experiment (not including the integrated receiver).

Instructions for use:
1. Expansion board directly connected with LD3320 non-specific voice recognition module, you can achieve voice control.
2. Expansion board directly connected with the Bluetooth wireless serial port module, you can control the light mobile phone control, smart car movement.
3. Extension board directly connected with the APC220 wireless serial port module, you can achieve long-distance data transfer.
4. Expansion board docking directly with the infrared photoelectric sensor, you can achieve traffic statistics, intelligent car obstacle avoidance and other functions.
5. Expansion board directly with the SYN6288 free voice module docking,it can achieve voice broadcast function.
6. Expansion board directly with the SG90, MG945 MG995 and other steering gear connected to achieve the robot and other complex actions.
7. Expansion board directly with the ordinary infrared remote control to achieve decoding, car control, lighting control, relay control left common temperature.

Package Included:
1*Multi-functional Expansion Board Sensor Shield

Features

  • Perfectly compatible with 2009, UNO, LENARDO, 2560 and other controllers.
  • 4 LED lights (LED indicator to know the importance of doing in the actual project, with this indicator can work directly with the program status indicators for easy debugging.
  • 3296 Precision adjustable potentiometer, analog input port (can be used to control LED brightness, turn the steering angle, digital voltage, etc.).
  • Four digital (using 74HC595 driver provincial IO learning SPI), you can do digital display test (can display temperature, voltage, counter value, etc.).
  • Three separate buttons, a reset button, you can do key experiments (HMI).
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.8 x 3.5 x 3.5 inches (2.0 x 8.9 x 8.9 cm)

Amazon Price: $6.29 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.29

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  #5

HiLetgo GY-271 QMC5883L 3-5V IIC Triple Axis Compass Magnetic Sensor Module Electronic Compass Module for Arduino

Model: SKU203072-CKT   |    Mpn: 3-01-0410   |    Ean: 0604659129183   |    PartNumber: 3-01-0410   |   Asin: B008V9S64E

Specification:
Name: QMC5883L modules (three-axis magnetic module)
Model: GY-271
Use Chip: QMC5883L
Power supply :3-5v
Communication: IIC communication protocol
Measuring range: 1.3-8 gauss
Size: approx. 14*13*4mm

Wiring:
VCC: supply voltage 3.3V to 5V
GND: Ground connection
SCL: clock line
SDA: Data line
DRDY: Data Ready

Package Includes:
1*GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module
2*Pin Strip

Features

  • Main Chip HMC5883L
  • Power Supply : 3V-5V
  • Measuring range : +/- 1.3-8 Gauss
  • Means of communication: IIC communication protocol
  • Using high-quality immersion gold PCB, machine welding process to ensure quality
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.2 x 3.15 x 4.33 inches (0.5 x 8.0 x 11.0 cm)

Amazon Price: $6.59 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.59

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  #6

0.96 Inch Yellow and Blue I2C IIC Serial 128X64 OLED Display Module for Arduino

 Ean: 0702795761080   |    PartNumber: 0.96 taiwan oled screen   |   Asin: B00O2LLT30

2pcs link: https://www.amazon.com/dp/B01HEBIJKK

Resolution: 128X64
Color: Blue and Yellow
Viewing angle: greater than 160 degrees
Supported platforms: for arduino, 51 series, MSP430 series, STIM32 / 2, SCR chips
Low power consumption: 0.04W during normal operation
Support wide voltage: 3.3V-5V DC
Working temperature: -30-80 degrees
Volume: 27MM * 27MM * 4.1MM
Driver IC: SSD1306
Communication: IIC, only two I / O ports
No font: The software takes word modulo
Backlight: OLED self light, no backlight
Interface:
VCC: 3.3-5V
GND: Ground
SCL: Serial Clock
SDA: Serial Data

Package included:
1 X 0.96inch IIC OLED display module (yellow and blue)

Features

  • Supported voltage: 3.3V-5V DC
  • Driver IC: SSD1306
  • Communication: IIC, only two I/O ports
  • Viewing angle: greater than 160 degrees
  • Size: 0.96 inches
  • See more on Amazon...

Brand: DIYmall   |   Manufacturer: DIYmall

Item Dimensions: 1.18 x 1.97 x 1.18 inches (3.0 x 5.0 x 3.0 cm)   |   Package Dimensions: 1.3 x 1.8 x 3.3 inches (3.3 x 4.6 x 8.4 cm)

Amazon Price: $8.99 | as of 01/20/2020(5:19pm pst)
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  #7

HiLetgo PT100 MAX31865 RTD Temperature Thermocouple Sensor Amplifier Module for Arduino

 PartNumber: 3-01-1297   |   Asin: B071DVVZHC

PT100 MAX31865 RTD Temperature Thermocouple Sensor Amplifier Module For Arduino
Description:
We've carried various MAXIM thermocouple amplifiers and they're great - but thermocouples don't have the best accuracy or precision,
for when the readings must be as good as can be. The MAX31865 handles all of your RTD needs, and can even compensate 3 or 4 wire RTDs
for better accuracy. Connect to it with any microcontroller over SPI and read out the resistance ratio from the internal ADC.
We put a 430? 0.1% resistor as a reference resistor on the breakout. We have some example code that will calculate the temperature
based on the resistance for you.
We even made the breakout 5V compliant, with a 3.3V regulator and level shifting, so you can use it with any Arduino or microcontroller.
Package included:
1* PT100 MAX31865 RTD Temperature Thermocouple Sensor Amplifier Module For Arduino

Features

  • Advantage: Handling all of your RTD needs
  • Strong point: Compensating 3 or 4 wire RTDs for better accuracy
  • Characteristic: Could be used with any Arduino or microcontroller
  • Feature: 3.3V regulator and level shifting
  • Feature: Could be used with any 2, 3 or 4 wire PT100 RTD
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.24 x 3.07 x 4.29 inches (0.6 x 7.8 x 10.9 cm)

Amazon Price: $10.49 | as of 01/20/2020(5:19pm pst)
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  #8

PulseSensor.com the Real & Original Pulse Sensor plug-in for your project.

Model: PulseSensor_864620000204   |    Mpn: 864620000204   |    Ean: 0864620000204   |    PartNumber: 864620000204   |   Asin: B01CPP4QM0

Works with Arduino, Raspberry PI, littleBits, and more ! Plug-and-play heart-rate sensor for Arduino or DIY prototype project. It can be used by students, artists, makers, and developers who want live heart-rate data into their Arduino or RaspberrypPi projects. Project and Info: www.PulseSensor.com

Features

  • This is the Original and the Best! Accept no alternatives.
  • The Pulse Sensor Kit included everything you need for a smooth experience. This Kit Includes:
  • Soft braided-wire ribbon cable. Great for wearables! An Ear Clip that's perfectly sized to the sensor.
  • A Velcro Finger Strap, just like the pro's. Transparent Vinyl Dots, which make electrical insulation simple.
  • www.PulseSensor.com for Projects and All Info.
  • See more on Amazon...

Brand: PulseSensor.com   |   Manufacturer: World Famous Electronics

Item Dimensions: 6 x 0.5 x 4 inches (15.2 x 1.3 x 10.2 cm)   |   

Amazon Price: $19.50 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $24.99

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  #9

Teensy++ 2.0

 Ean: 6115752053915   |    PartNumber: FBA_TEENSY++   |   Asin: B00NC4302Q

Description: The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy++ breaks out all of the IO available on the AT90USB1286 to breadboard-friendly 0.1" spaced headers so you can hook up a load of peripherals.

The Teensy++ comes pre-flashed with a bootloader so you can program it using the on-board USB connection: No external programmer needed! You can program the Teensy in your favorite IDE using C or you can install the Teensyduino add-on for the Arduino IDE and write Arduino sketches for Teensy!

Dimensions: 2" x 0.7" (50.8 x 17.8 mm)

Features:

8-Bit AVR Processor (AT90USB1286) 128K Flash Memory, 8K RAM, 4K EEPROM USB Can Emulate Any Type of Device Single Pushbutton Programming Arduino Compatible 8 Analog Inputs 46 Digital I/O Pins 9 PWM outputs SPI and I2C

Features

  • 8-Bit AVR Processor (AT90USB1286)
  • 128K Flash Memory, 8K RAM, 4K EEPROM
  • USB Can Emulate Any Type of Device
  • Single Pushbutton Programming
  • Arduino Compatible
  • See more on Amazon...

Brand: PJRC   |   Manufacturer: SparkFun

Package Dimensions: 0.2 x 1 x 2.5 inches (0.5 x 2.5 x 6.4 cm)

Amazon Price: $24.49 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $30.49

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  #10

HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino

Model: 3-01-0056   |    Mpn: 3-01-0056   |    Ean: 0797698769868   |    PartNumber: 3-01-0056   |   Asin: B00HGB9RB4

Specification:
Interface: 3PIN
Power Supply: 5V
Size: 30x 24x 1.6mm
Weight: 25g

Electrical characteristics:
Transformation coefficient: 1000:1
Input current: 0--5A
Output current: 0--5mA
Sampling resistor: 200
Sampling voltage: 0--1V
Working frequency: 20-20000Hz
Working temperature: -55--85
Dielectric strength: 6KAC/1min

Package Include:
1* Analog Current Meter Sensor Module Board

If you need detail schematic, please contact us

Features

  • Analog Current Meter Module. Transformer can only sense AC
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.79 x 2.28 x 3.74 inches (2.0 x 5.8 x 9.5 cm)

Amazon Price: $6.99 | as of 01/20/2020(5:19pm pst)
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List Price: $6.99

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  #11

Degraw 5kg Load Cell and HX711 Combo Pack Kit - Load Cell Amplifier ADC Weight Sensor for Arduino Scale - Everything Needed for Accurate Force Measurement

Model: 050HX   |    Mpn: 43237-2   |    Ean: 0696576801693   |    PartNumber: 43237-2   |   Asin: B075317R45

Package contents: 1 x Load cell 0-5KG 1 x HX711 24BIT Precision ADC Module on breakout board 10 x Breakaway header pins for HX711 connection
Everything you need to take accurate force measurements with and Arduino, Raspberry Pi, or other microcontroller in one complete package!

Information Load cell - Sturdy aluminum alloy construction. Strain gauges pre-attached with strain relieved wires. Accurately measures forces from 0-5kg (0-11 lb). HX711 - This top of the line load cell amplifier mounted on a breakout board pairs perfectly with the load cell to provide fast, accurate force measurements. It measures small changes in the resistance of the strain gauges mounted to the load cell and passes these values directly to any microcontroller (like an Arduino or Raspberry Pi). Load cell specs:
-Wire leads pre-attached, 22 cm (8.5 in) long
-Dimensions 12.7 mm high, 12.7 mm wide, 80 mm long (0.5 in x 0.5 in x 3.15 in)
-4 mounting holes, 15 mm spacing on each side. One side both holes tapped M4 thread, the other side both holes tapped M5 thread. HX711 specs:
-Operation Voltage: 2.7V-5V
-Operation Current:
Connections: Red to E+ Black to E- Green to A+ White to A-
Links to tutorials and libraries: https://learn.sparkfun.com/tutorials/load-cell-amplifier-hx711-breakout-hookup-guide https://www.instructables.com/id/Arduino-Scale-With-5kg-Load-Cell-and-HX711-Amplifi/ https://github.com/aguegu/ardulibs/tree/master/hx711 HX711 datasheet: https://cdn.sparkfun.com/datasheets/Sensors/ForceFlex/hx711_english.pdf https://www.youtube.com/watch?v=nGUpzwEa4vg

Features

  • U.S. BASED SUPPORT - contact Degraw through Amazon messages for help with setting up the kit
  • LOAD CELL - Sturdy aluminum alloy construction with strain gauges pre-attached with strain relieved wires. Accurately measures forces from 0-5kg (0-11 lb).
  • HX711 - This top of the line load cell amplifier mounted on a breakout board pairs perfectly with the load cell to provide fast, accurate force measurements. It measures small changes in the resistance of the strain gauges mounted to the load cell and passes these values directly to any micro controller (like an Arduino or Raspberry Pi).
  • LOAD CELL SPECS - 22 cm (8.5 in) wire leads pre-attached. Dimensions 12.7 mm high, 12.7 mm wide, 80 mm long (0.5 in x 0.5 in x 3.15 in). 4 mounting holes, 15 mm spacing on each side. One both holes tapped M4 thread, the other side both holes tapped M5 thread.
  • HX711 SPECS - Operation Voltage: 2.7V-5V | Operation Current: < 1.5mA | Includes breakaway headers for connection, soldering required
  • See more on Amazon...

Brand: Degraw

Package Dimensions: 0.75 x 2.44 x 3.5 inches (1.9 x 6.2 x 8.9 cm)

Amazon Price: $12.99 | as of 01/20/2020(5:19pm pst)
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List Price: $12.99

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  #12

HiLetgo 3pcs 5V D1 Mini Relay Shield 5V D1 Mini Relay Module for WeMos D1

 PartNumber: 3-01-1220   |   Asin: B01NACU547

WeMos D1 mini Relay Shield 5V D1 mini Relay Module for WeMos D1
Description:
5V Relay Shield, use relay to control other equipment.
Features:
NO: 5A(250VAC/30VDC), 10A(125VAC), MAX:1250VA/150W
NC: 3A(250VAC/30VDC), MAX:750VA/90W
Package included:
3* WeMos D1 mini Relay Shield

Features

  • WeMos D1 mini Relay Shield 5V D1 mini Relay Module
  • WeMos D1 mini Relay Shield
  • Relay Module for WeMos D1
  • NO: 5A(250VAC/30VDC), 10A(125VAC), MAX:1250VA/150W
  • NC: 3A(250VAC/30VDC), MAX:750VA/90W
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Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 1.02 x 3.35 x 5.67 inches (2.6 x 8.5 x 14.4 cm)

Amazon Price: $6.49 | as of 01/20/2020(5:19pm pst)
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  #13

Max485 Chip RS-485 Module TTL to RS-485 Module Raspberry Pi Pack of 5

Model: IC179   |    Mpn: IC179   |    Ean: 0701304986150   |    PartNumber: IC179   |   Asin: B00NIOLNAG

5pcs MAX485 Module RS-485 Module TTL to RS-485 Module MAX485 chip is a low power consumption for RS-485 communication, limit the slew rate transceiver.
Then 5.08 (mm) pitch 2P terminal, convenient RS-485 communication wiring.
Chip leads all pins can be controlled through the microcontroller.
Operating voltage: 5V.
Size: 44 (mm) x14 (mm).
Package included: 5pcs MAX485 Module

Features

Brand: JIUWU   |   Manufacturer: JiuWu

Package Dimensions: 0.5 x 2.9 x 3.3 inches (1.3 x 7.4 x 8.4 cm)

Amazon Price: $6.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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  #14

Diymall Voltage Sensor Dc0-25v for Arduino with Code(Pack of 2pcs)

Model: 430   |    Mpn: FZ0430   |    Ean: 0701702805640   |    PartNumber: FZ0430   |   Asin: B00NK4L97Q

DIYmall Voltage Sensor for Arduino DC0-25V with Code(pack of 2pcs)
Description:
This module is based on a resistive divider principle design, make 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). Because Arduino AVR chips used in 10 AD, so the resolution of the analog module is 0.00489V (5V / 1023), so the voltage detection module detects a minimum input voltage of 0.00489V 5 = 0.02445V.
Voltage input range: DC0-25V
Voltage detection range: DC0.02445V-25V
Voltage Analog Resolution: 0.00489V
DC input connector: Terminal cathode connected to VCC, GND negative pole
Output interface:
+ 5V or 3.3V
- GND
S Arduino AD pins
Package included:
2 X Voltage Sensor

Features

  • Voltage input range: DC0-25V
  • Voltage detection range: DC0.02445V-25V
  • Voltage Analog Resolution: 0.00489V
  • DC input connector: Terminal cathode connected to VCC, GND negative pole
  • Output interface: + then 5/3.3V, - then GND, s then the Arduino AD pins
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Brand: DIYmall   |   Manufacturer: DIYmall

Item Dimensions: 0.59 x 0.08 x 0.98 inches (1.5 x 0.2 x 2.5 cm)   |   Package Dimensions: 0.4 x 2.3 x 3 inches (1.0 x 5.8 x 7.6 cm)

Amazon Price: $5.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $5.99

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  #15

SunFounder Switch Hall Sensor Module for Arduino and Raspberry Pi

 Ean: 0701715366763   |    PartNumber: 43237-2   |   Asin: B013G5N03O

Introduction
A switch Hall sensor module that is composed by a switch Hall sensor, resistor and capacitor in an integrated circuit.
For your reference:
Based on the Hall Effect, a Hall sensor is a one that varies its output voltage in response to a magnetic field. Hall sensors can be categorized into linear (analog) Hall sensors and switch Hall sensors. A switch Hall sensor consists of voltage regulator, Hall element, differential amplifier, Schmitt trigger, and output terminal and it outputs digital values.

Application
The module can be applied to measurement of revolution, revolving speed, wind speed, flow speed, proximity switch, door lock notification device, alarm, auto-control circuit, etc.

Component List
- 1 x Switch Hall sensor module

Features

  • Signals are output as long as there is a conductor cutting the magnet field.
  • High precision and good linearity. With no contact, abrasion, shaking, or bound
  • Working voltage: 5V;PCB size: 2.0 x 2.0 cm
  • With power light and signal output indicator
  • For more information, please refer to http://wiki.sunfounder.cc/index.php?title=Hall_Sensor_module
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Brand: SunFounder   |   Manufacturer: SunFounder

Item Dimensions: 0.39 x 0.79 x 0.79 inches (1.0 x 2.0 x 2.0 cm)   |   Package Dimensions: 0.55 x 4.41 x 5 inches (1.4 x 11.2 x 12.7 cm)

Amazon Price: $6.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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  #16

DC0-25V Voltage Tester Sensor Terminal for Arduino Raspberry Pi(Pack of 5pcs), Measure up to 25V

 PartNumber: ST0430X5   |   Asin: B07L81QJ75

NOTE: The input voltage (voltage to be measured) is restricted to 25V.

Description:
Voltage input range: DC0-25V
Voltage detection range: DC0.02445V-25V
Voltage Analog Resolution: 0.00489V
DC input connector: GND negative, VCC positive
Output interface: "+" 5V/3.3V, "-" GND, "S" Arduino AD pins

Package included:
5 X Voltage Sensor

Features

  • Document link: https://www.instructables.com/id/Arduino-Voltage-Sensor-0-25V/
  • Voltage input range: DC0-25V
  • Output interface: + 5V/3.3V, - GND, S Arduino AD pins
  • What you will get: 5PCS DC0-25V Voltage Tester Sensor
  • How to email us? Please click Dragino(you can find Sold by Dragino under Buy Now button), in the new page, click Ask a question to email us
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Brand: Stemedu   |   Manufacturer: Stemedu

Package Dimensions: 0.71 x 2.91 x 5.91 inches (1.8 x 7.4 x 15.0 cm)

Amazon Price: $6.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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  #17

Adafruit PN532 NFC/RFID controller breakout board

Model: 364   |    Mpn: 364   |    Ean: 0720189972928   |    PartNumber: 364   |   Asin: B00KKUECAO

The PN532 is the most popular NFC chip, and is what is embedded in pretty much every phone or device that does NFC. It can pretty much do it all, such as read and write to tags and cards, communicate with phones (say for payment processing), and 'act' like a NFC tag. If you want to do any sort of embedded NFC work, this is the chip you'll want to use! NFC (Near Field Communications) is a way for two devices very close to each other to communicate. Sort of like a very short range bluetooth that doesn't require authentication. It is an extension of RFID, so anything you can do with RFID you can do with NFC. You can do more stuff with NFC as well, such as communicate bi-directionally with cell phones Because it can read and write tags, you can always just use this for RFID-tag projects. We carry a few different tags that work great with this chip. It can also work with any other NFC/RFID Type 1 thru 4 tag (and of course all the other NXP MiFare type tags) The PN532 is also very flexible, you can use 3.3V TTL UART at any baud rate, I2C or SPI to communicate with it. This chip is also strongly supported by libnfc, simply plug in an FTDI cable and use the FTDI serial port device to communicate - this lets you do NFC dev using any Linux/Mac/Windows computer! Comes with: the PN532 breakout board including a tuned 13.56MHz stripline antenna, 0.1" header, 2 jumpers/shunts and a 4050 level shifter chip. We also toss in a Mifare Classic 1K card! (You can get more tags from us here) New in version 1.3: onboard power LED, 3.3V regulator and an FTDI header so you can plug in an FTDI friend or FTDI cable and use with libnfc.

Features

  • Requires some solderings
  • Easy to build, perfect for your Arduino project
  • Breakout board version, shield version also available!
  • Genuine Adafruit product- don't buy a knockoff!
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Brand: Adafruit   |   Manufacturer: Adafruit Industries

Package Dimensions: 0.5 x 4 x 6 inches (1.3 x 10.2 x 15.2 cm)

Amazon Price: $35.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $35.99

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  #18

Anmbest 5PCS LM393 Speed Detection Sensor Module, Motor Measuring Comparator, Pulse Counter Module, 5mm Slot Type IR Optocoupler, for MCU Arduino RPI

 Ean: 7653256865874   |    PartNumber: Anmbest_MD158   |   Asin: B07SNFFJJ5

Here is a motor speed sensor module, the major goal is to check the rate of an electric motor. The module can be used in association with a microcontroller for motor speed detection, pulse count, position limit, etc. In principle, any rate meter simply measures the rate at which some event occurs. Usually this is done by counting the events for a given period of time (integration interval) and then simply dividing the number of events by the time to get the rate.

Technical Specifications:
Main Chip : LM393
Working voltage 3.3 V to 5 V
Output form: digital switch output (0 and 1)
Output: Covered, output high level; Without sunscreen, the output low level
PCB size: 32 mm x 14 mm/ 1.26 0.55
Mounting Hole Size : 3mm/ 0.12"
Slotted Width : 5mm/ 0.2"
Interface::
VCC: Connect the positive 3.3v-5v power supply
GND: Connect power negative
DO: TTL switch signal output
AO: This module does not work, The module do not have Analog output
Package includes:
5 x Motor Speed Detection Sensor Module

Features

  • HIGHLIGHTS: Comparator output, clean signal, good waveform, strong driving capability, more than 15mA.
  • STRONG ANTI-INTERFERENCE:The transmissive optical sensor used consists of an infrared light emitting diode and a phototransistor. This both prevents interference from stray external light sources and by having the two components matched for a specific frequency of radiation, they are even more immune to undesired interference.
  • EASY TO USE: The DO output interface can be directly connected to the IO port of the MCU to detect whether the sensor has a occlusion. If the motor code plate is used, the motor speed can be detected. The module DO can be connected to a relay to form a limit switch, or can be connected to the active buzzer module to form an alarm.
  • EASY INSTALLATION: 3mm fixed bolt holes for easy installation.
  • WIDELY APPLICATIONS: Widely used in motor speed detection, pulse counting, position limit, etc.
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Brand: Anmbest   |   Manufacturer: Anmbest

Amazon Price: $7.99 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.99

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  #19

SunFounder Ultrasonic Module HC-SR04 Distance Sensor for Arduino R3 Mega2560 Duemilanove Nano Robot Rapsberry Pi 4B 3B+, 3B, 2 Model B & 1 Model B+

Model: USX2   |    Mpn: SF-USX3   |    Ean: 0520141421309   |    PartNumber: SF-USX3   |   Asin: B00E0NXTJW

Introduction
The SunFounder HC-SR04 Ultrasonic Ranging module includes an ultrasonic transmitter, receiver and circuits. It has 4 pins: VCC, TRIG, ECHO and GND. The anti-reverse pin header onside makes it easy to connect and apply.
As for the ranging principle, it is quite simple to understand: pull up the pin Trig to High thus providing high level signals of at least 10us, so the module starts to detect and measure the distance; if an object is detected, the ECHO pin will be High, and the duration of it being High depends on the distance detected, thus giving the distance calculation formula: Distance = Duration of High ECHO * Speed of sound (340m/s)/2.
For more details, visit http://wiki.sunfounder.cc/index.php?title=Ultrasonic_Module

Specifications
Operating voltage: 5V
Working current: 16mA.
Weight: 90g;
Dimensions: 46 x 20.5 x 19.5 mm (thickness of anti-reverse pin socket included)

Component List
5 HC-SR04 Ultrasonic Sensors
10 Female-Male Dupont Cables
10 Female-Female Dupont Cables
1 Exquisite package box

Features

  • Ultrasonic hc-sr04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit.
  • HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal When triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object.
  • Hc-sr04 Test Distance following formula: L = 1/2 T C ( L is the distance, T is the time between the emission and reception, and C is the sonic speed)
  • Power Supply : 5V DC; Quiescent Current : <2mA,; Effectual Angle: <15 ; Detection Distance : 2cm~450 cm; Resolution : 0.3 cm
  • Package Content: 5 HC-SR04 Ultrasonic Sensors , 10 Female-Male Dupont Cables , 10 Female-Female Dupont Cables , 1 Exquisite package box
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Brand: SunFounder   |   Manufacturer: SunFounder

Item Dimensions: 4.2 x 1.4 x 5 inches (10.7 x 3.6 x 12.7 cm)   |   Package Dimensions: 1.4 x 3.2 x 3.7 inches (3.6 x 8.1 x 9.4 cm)

First Available: 2018-09-13

Amazon Price: $9.59 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

Warranty: 1 Year

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  #20

HiLetgo 2pcs ACS712 30A Current Sensor Module 30A Range ACS712 Module

 PartNumber: 3-01-1263   |   Asin: B07SPRL8DL

HiLetgo ACS712 30A Current Sensor Module
Description:
1. The current sensor chips: ACS712ELC
2. Current Range: 30A
3. Pin 5V power supply, on-board power indicator;
4. The module can measure the positive and negative 30 amps, corresponding to the analog output 66mV / A;
5. No test current through the output voltage is VCC / 2;
6. PCB board size: 31 (mm) x13 (mm);
Note: ACS712 is based on the principle of the Hall test, please use this field to avoid impact
Package Included:
2* HiLetgo ACS712 30A Current Sensor Module

Features

  • Current sensor chip: ACS712ELC-30A
  • Pin 5V power supply, on-board power indicator
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • There is no the detection current through, the output voltage is VCC / 2
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Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.5 x 3.1 x 3.5 inches (1.3 x 7.9 x 8.9 cm)

Amazon Price: $7.19 | as of 01/20/2020(5:19pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.19

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