Product FAQ

[FAQ]alberto valente asked about Relay shield

I power my Arduino UNO with a 14V battery using DC jack.
Arduino automatically steps down the battery voltage to its needs.
Is it ok to power this shield through Arduino in this situation or shall I have to put an external 9V battery?


https://www.seeedstudio.com/Relay-shield-p-693.html
alberto valenteOct 19,2016 19:53 PMAdd Comment

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