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7V works well
Product LED Bar v2
The Relay Shield for Arduino is a practical relay module from Circuitrocks for students
RX: flashes when the shield receives data
Smartphone automation and NFC tags
LED Red 16mm Illuminated Metal Push Button Switch pro micro 7V works wellThese chrome plated metal buttons are rugged and look real good while doing it! Simply drill a 16mm hole into any material up to 1 2" thick and you can fit these in place, there's even a rubber gasket to keep water out of the enclosure. On the front of the button is a flat metal actuator, surrounded by a red plastic LED ring. On the back, there are 3 contacts for the button (common, normally open, and normally closed) and 2 for the red LED ring (+ and
US$ 162.89
US$ 63.00
US$ 134.40
