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(YY) 1/2/3Pcs TDS Sensor Module For Arduino 51/STM32 With DS18B20 Temperature Dissolved Solids Analog Signal Soluble Solid Water

Penetrable 25mm Wood Panel Touch Sensor LED Light Switch Control 12V-24V 60W Hand Sweep Control Touch Dimmer Switch

10/20pcs 3mm 5mm Tilt Switch Unidirectional Sensor Switch On/Off

1-10pcs IR Infrared Obstacle Avoidance Sensor Module for Arduino Diy Smart Car Robot Reflective Photoelectric 3PIN

1-10PCS AHT30 Temperature Humidity Sensor Module I2C Digital Output High Precision Wide Voltage for Arduino Raspberry Pi DIY

BME680 BME688 Environmental Sensor Module for Air Quality/Atmospheric Pressure/Temperature/Humidity Measurement

TERFACT 3pcs ACS712 5A 20A 30A Range Hall Current Sensor Module ACS712-30A ACS712-20A

Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Signal Generator Adjustable Frequency Amplitude XR2206

DC 4-40V 8A 200W Voltage Regulator Module Digital PWM Adjustabl DC-DC Step Down Voltage Regulator DC XL4016E1 XH-M404

Wired Motion Sensor Receiver with Extension Cord Remote Infrared Ray IR Inductor Bar Wired Infrared Ray Sensor Bar for Wii/Wii U