CEB Press Controller v17.08
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Bill of Materials
- https://www.pololu.com/product/1905
- http://www.ebay.com/itm/like/112048264659
- https://www.adafruit.com/product/1445
- 3V Zener Diode [www.mouser.com/ProductDetail/Vishay-Semiconductors/BZX85B3V0-TR/ Mouser]
diagram
arduino + relay w/ plain wire