Electronics Weekly

Not all Arduino inputs are equal – hunt the Schmidt trigger

I had cause to have a closer look at some Arduino inputs – it is that fascinating weather station again. It transpires that some Arduino inputs are better at tolerating slowly-changing inputs than ...
Electronics Weekly

Untangling Timer 4 on the ATmega32U4

Timer4 on the ATmega32U4 (Arduino Leonardo, Micro, Pro Micro) is another one of Microchip/Atmel’s high-speed timers that can be fed by a PLL (phase-locked-loop) multiplied version of the 16MHz system ...