I recently picked up this relay shield- http://www.ebay.com/itm/221342495715?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649 The issue I'm having is: Case A: I can get the input LEDs to operate appropriately (light constantly when I push a momentary button), but they won't activate the relay. O…

Arduino Uno, Relay shield - relays not picking

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