Magnetic Switch Module - Reed Switch - 3 Pin Arduino Module - Free P&P

Temperature Module - DS18B20 - 3 Pin Arduino Module - Free P&P

Thermister Temperature Sensor - Digital Out MF52 3 Pin Arduino Module - Free P&P

Vibration Sensor Module - Normally Closed Highly Sensitive - 3 Pin - Free P&P

RGB LED Module - Rainbow Light Emitting Diode - 3 Pin Arduino Module - Free P&P

3 pin Optical Sensitive Resistance Light Detection Module for Arduino DIY Kit

Vibration Sensor - Normally Closed Highly Sensitive - 2 Pin - Free P&P

Vibration Sensor - SW-18015P - Highly Sensitive - 2 Pin - Free P&P