DFRobot Gravity: Waterproof DS18B20 Water Temperature Sensor Kit 6A 125V AC IR receiver module can receive

IR receiver module can receive a standard 38KHz modulation remote control signal

This compact inexpensive keypad

Optical size: 1/6 "

On-board charging via standard uUSB

It is designed for affordability

DFRobot Gravity: Waterproof DS18B20 Water Temperature Sensor Kit 6A 125V AC IR receiver module can receiveWaterproof DS18B20 temperature sensor and for Arduino's combination can be used in many places,such as soil temperature detection, hot water tank temperature control, etc., but waterproof DS18B20 temperature sensor must be connected to a pull resistance to use, for this purpose we design the Plugable Terminal converter. Plugable Terminal digital adapter export increased pull up resistor,use the jumper cap switch, the waterproof DS18B20 temperature