The micro:bit’s gold strip is where the magic happens. It is split into 25 bands, called pins, which are connection points to the internal electronics.

The BBC micro:bit is a pocket-sized code-able computer with a lot of features including an LED light display, buttons, sensors and a couple of input devices like a microphone.The micro:bit ...

Build an indoor air quality monitor using a micro:bit, SCD40 CO2 sensor, and Embedded Rust to measure CO2 levels, display data, and enable Bluetooth connectivity for long-term monitoring.

And by using a second BBC micro:bit, we can get the readings before heading outside. First, we need a DHT11 sensor, and to check whether it works using one micro:bit.