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10pcs 16mm 40K ultrasonic transmitter ultrasonic sensor Ultrasonic emitter TCT40-16T 40KHz Transmit+receive aluminum sensor

‌BlackBerry Trackball Module – Hall Effect Sensor Interface with 360° Rotation for Embedded Systems

Photosensitive brightness resistance sensor module Light intensity detect New/For Arduino

1-50PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test

GP2Y0A41SK0F 100% NEW 4-30cm Infrared distance sensor 0A41SK INCLUDING WIRE

Smart Electronics MQ9 MQ 9 MQ-9 Carbon monoxide alarm combustible gas sensor module

1~10PCS EGBO Pulsesensor pulse heart rate sensor for Arduino open source hardware development pulse sensor

TDS Meter V1.0 development board water Meter filter measuring water sensor module for Arduino

Keyestudio Laser Sensor Module Compatible With Lego Blocks For Arduino/Raspberry Pi Projects DIY Electronic Building Blocks

Level sensor Level detection sensor Water level monitoring Sensor module For level detection and alarm detection in containers