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when toggle format what by license comment
Aug 28, 2017 at 0:42 comment added VE7JRO @PaulMurrayCbr That's exactly what I'm using and it works great. Texas Instruments makes one: ULN2003A but I cheated and got a board from ebay: ebay.ca/itm/…
Feb 18, 2016 at 14:17 comment added silent_bob Can you provide some schematics? Or wiring?
Feb 18, 2016 at 4:25 history answered PaulMurrayCbr CC BY-SA 3.0