I have an Arduino Uno board. I made a digital clock using 16x2 lcd in 4 bit mode.It worked fine but then I tried it to power it via an Ac to Dc adaptor of12V output conneted to domestic circuit(my house).At that moment I realised that the lcd was running much brighter and after few seconds the lcd …

PC is not recognizing my Arduino Uno

Ballscrewbob May 25, 2019, 1:56pm 2

Code ?
Schematic ?

Bob.