You might not notice the small sensor tucked behind the rearview mirror, but it can […] ...

They may not realize their car already knows when rain starts and can wipe the […] ...

Refer to the circuit diagram below for the complete wiring layout. The Raspberry Pi Pico WhatsApp messaging system reads the ...

The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...