ELECFREAKS Classroom Smart Home Kit promo It also equipped with a

It also equipped with a exhaust fan with large air volume

Impressive Size and Weight: With its imposing size and weight

which consists of a DC motor

Photocell is a kind of special resistor based on the internal photoelectric effect

ELECFREAKS Classroom Smart Home Kit promo It also equipped with aThe Classroom Smart Home Kit includes components such as an IOT: bit expansion board, crash sensor, 180 degree servo, rainbow LED, noise sensor, light sensor and OLED display. These components enable a wealth of functionality and work perfectly with the micro: bit board, allowing you to explore more interesting smart home creation projects. The Classroom Smart Home Kit set includes two exciting examples a remote door opener and a smart voice activated