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[FAQ]J T asked about Relay shield V2.0

When I'm trying to switch off little water cicrulating pump (220V 25W 0.11A) USB is disconnecting from PC but Arduino still working, what can be the reason for it and how to fix?


https://www.seeedstudio.com/Relay-shield-V2.0-p-1376.html
J TOct 19,2016 20:19 PMAdd Comment

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