Hi! I have this project of a "phone". It consists of: Arduino DUE, 4x4 Keypad, SD Data shield, a phone receiver detect (on/off) an Amp and a Speaker. I am using a 9V 1A power source to power everything. On the first turn on, if the board is cold, the Arduino won't run the program (I can see the l…

DUE "phone" not turning on when cold

atlaikesbriedi December 5, 2021, 5:01pm 5

It seems my Arduino DUE was faulty...
New DUE - no problems.

1 Like

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