Hi, I'm running an UNO with an Arduino Ethernet shield and a sparkfun color LCD shield. When I use a 12V, 2A, center positive power source it resets itself every once in a while and gets very hot. When I use a 9V, 300mA, 2.7VA , center positive power source it doesn't power the screen properly. I…

UK Power supply issue, recommendation needed.

MarkT October 20, 2012, 11:09pm 10

Because a PSU has to match the mains voltage of the region its used in? 240V 50Hz in the UK.

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