ELECFREAKS micro:bit Smart Home Kit (without micro:bit) mbot accessories RTC timing need a CR1220

RTC timing need a CR1220 button cell for lasting power supply

This chip is used to drive the transmitter to send out ultrasonic signals

so whether you’re an agriculturalist

New to coding

BBC micro:bit one-touch speaker

ELECFREAKS micro:bit Smart Home Kit (without micro:bit) mbot accessories RTC timing need a CR1220Smart home Kit is a product about smart home project base on micro: bit which is developed by ELECFREAK. We selected executed components commonly used at home as TMP36 temperature sensor, sound sensor, crash sensor, servo, motor. You can build scene like windowsill, wardrobe and fish tank, create yourself smart sweet home and programming to intelligently driving them using micro: bit. Smart home is what makes life more practical and playing with it is