It's quite possible I screwed it up too, but I went:
Arduino 5v --> Breadboard Pos. Rail. --> 220 ohm -->LED -->Breadboard Ground Rail --> Arduino Ground
Should be constant power, correct?
It's quite possible I screwed it up too, but I went:
Arduino 5v --> Breadboard Pos. Rail. --> 220 ohm -->LED -->Breadboard Ground Rail --> Arduino Ground
Should be constant power, correct?