He decided to take an in-depth look at the DHT11 sensor; which you can get your hands on for under $3 if you know where to look. The four-pin device uses a 1-wire protocol.

First, we need a DHT11 sensor, and to check whether it works using one micro:bit. To do this, we must teach the MakeCode editor new tricks.

STMicroelectronics’ AlgoBuilder tool is designed to simplify firmware development by letting users build sensor-control algorithms graphically with library modules, ready to compile and run on an ...