Using a single microcontroller port to drive a multi-digit LED display to help engineers with those last-minute design ...
Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...
This is the code and CAD for the automatic keyboard switch tester. You can learn more in my blog post at https://incoherency.co.uk/blog/stories/keyswitch-tester.html ...