Hello, I have a KUMAN Arduino Uno which needs to be powered by this transformer . Consider that on the board I have uploaded a firmware that correctly works with a general 9V battery . My firmware have a section for microSD writing and with the general 9V battery it correctly works. The problem is …

BIG electrical problem with Arduino UNO and wall Transformer at 230V

SimonCa November 19, 2017, 12:51am 8

Solved.

Thank you, we can delete the post