Help! I've been working on a robot, and I need it done very soon. I am using an Arduino Uno with a motor shield, and it works fine when connected to my computer, but when i plug in the 9v battery, and switch it to VIC, nothing happens. There are a series of clicks, however.

9V power supply issue

cmiyc October 2, 2011, 5:55pm 4

theel33:
Would it still safely work with an Arduino if there were 6 AAs?

Why wouldn't it be safe?

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