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[FAQ]Tim Waller asked about Relay shield

My Ehternet Arduino uses Pin4 for the SD card. Can I re-route the relay to use another pin besides 4 for its D3 s oi can use the SD?


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

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