Amazon.com : Comidox 3Pcs High Sensitivity Microphone Sensor AVR PIC Sound Detection Module for Arduino : Electronics
3pin/4pin Electronic Brick Sound Sensor Microphone Mic Module for Arduino: Amazon.com: Industrial & Scientific
Gravity: Analog TDS Sensor for Arduino | Total Dissolved Solids Meter | Water Quality Sensor Compatible with Arduino: Amazon.com: Industrial & Scientific
![Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/710lO84lESL._AC_UF1000,1000_QL80_.jpg "Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific")
Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific
HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino: Amazon.com: Industrial & Scientific
uxcell® Angle Sensor Module SW-520D Ball Switch Tilt Sensor Module for Arduino: Amazon.com: Industrial & Scientific
2pcs MS5611 MS5611-01BA03 GY-63 Atmospheric Pressure Sensor Module Meter Altimeter Sensor Module Electronic DIY Board IIC SPI 24Bit AD for Arduino: Amazon.com: Industrial & Scientific
Hilitand 4pcs Voltage Detector Module, 3 Terminal Sensor Voltage Sensor Module 25V 2.7x1.3cm/1x0.5in Voltage Sensor Module: Amazon.com: Industrial & Scientific
Amazon.com: Sensor Modules Kit 16 in 1 Starter Kits For Arduino Raspberry Pi Diy Electronic Kits For UNO R3 Mega2560 Mega328 Nano Sensor Kit For Raspberry Pi 3 : Electronics
HiLetgo 5pcs 360 Degrees Rotary Encoder Module for Arduino Brick Sensor Switch: Amazon.com: Industrial & Scientific
Amazon.com: WWZMDiB 6Pcs TTP223B Digital Capacitive Touch Sensor Switch Module DC 2~5.5V for Arduino Raspberry Pi DIY : Electronics
DAOKI 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders: Amazon.com: Industrial & Scientific
Amazon.com: Liquid PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC for Arduino (PH Module) : Industrial & Scientific
Amazon.com: GAOHOU PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC For Arduino : Industrial & Scientific
DKARDU 2pcs DC 3-25V 0-3A MAX471 Voltage Current Sensor Votage Sensor Current Sensor Module,with Dupont Cable for Arduino: Amazon.com: Industrial & Scientific
5V Piezoelectric Film Vibration Sensor Switch Module TTL Level Output for Arduino: Amazon.com: Industrial & Scientific
Songhe SHT31 SHT31-D GY-SHT31-D Temperature Humidity Sensor Module IIC I2C Interface 2.4V-5.5V for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: Arduino Sensor Kit Uno Bundle (+Free USB Type A/B) : Electronics
WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino: Amazon.com: Industrial & Scientific
Amazon.com : BMP390 Precision Barometric Pressure and Altimeter Sensor for Arduino : Electronics
DAOKI 5PACK Vibration Sensor Module SW-420 Motion Alarm Switch Detector Electronic DIY Kit for Arduino with Dupont Cable: Amazon.com: Industrial & Scientific
ADXL345 IIC/SPI Digital Angle Sensor Accelerometer Module for arduino: Amazon.com: Industrial & Scientific
AC 5A Ammeter Electricity Sensor Module Board for Arduino Analog Current Meter Module Brick 5V I/O A12-100 Current Transformer: Amazon.com: Industrial & Scientific
![Arduino UNO REV3 [A000066]](https://m.media-amazon.com/images/I/71z22cRPeeL._AC_UF894,1000_QL80_.jpg "Arduino UNO REV3 [A000066]")