Hi, Did a quick search but couldn't find the answer I was looking for. Can the Uno power 3 servos, a piezo sensor, some LEDs, a hall effect sensor and a light sensor at the same time? Also if it is possible, could I add a wave shield on top of the uno as well, or does the wave shield not have eno…

How many components can the Uno power?

system November 4, 2012, 3:40pm 8

What would you suggest instead of the 9V battery?

AA batteries are a far better choice.

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