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One thing to be noted: power supply ?

A project log for ULTRA, a successor of SDuino

Everything you will need is ready-made.

kodera2tkodera2t 08/22/2016 at 09:170 Comments

I received a question regarding "power supply" of ULTRA. Actually this point should be noted before. Thanks.

(Case: USB cable connected)

ATMega1284P in ULTRA is working at 3.3V by FTDI embedded 3.3V voltage regulator

(Case: USB de-touched)

We should apply 3.3V between VC/GN terminal on ULTRA

Anyway, ULTRA is 3.3V system. Have fun!

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