Alexander Knochel on Nostr: npub1sh47j…c32nx The ground is 0V by definiton.. The pin thoigh is switched on to ...

npub1sh47jfjwrysr250kn24natwhnq8dhdguc9dswnp0ey8alsdh389q0c32nx (npub1sh4…32nx) The ground is 0V by definiton.. The pin thoigh is switched on to 3.3V to trigger the timer, and then has to go back to the value.0V, and that happens more reliably if the pin is connected to the 0V line.