W1209 Digital Temperature Controller Thermostat Module DS18B20 It is generally known as

It is generally known as a coin or button vibrator

M3 Copper Stand-Off (Male-Female) 6

Module | Power Supply Module | AC-DC Converter | DIY Projects | Home Automation

5GHz(2400M~2483

W1209 Digital Temperature Controller Thermostat Module DS18B20 It is generally known asW1209 digital temperature controller module is a low cost and highly functional thermostat module which is widely used in automation projects. W1209 thermostat module includes a seven segment LED display and a NTC waterproof temperature sensor. There are 3 switches (SET, + and ) on board to set temperature and other parameters like turning on trigger temperature. W1209 module has an integrated microcontroller in it but does not requires programming