The ground trace is the only common trace amongst all the surface mount LED's, when any one of the four is on it will have power going through it on its way to ground, so yes ground trace = power ...I think
In the top photo we see illuminated ABXY buttons, the dome with the X on it, and the...
3 Volt Transistor Relay Circuit for Wireless Xbox 360 Controller
I saw some valuable responses to a similar circuit on a post in this forum thread956-122655 I thought I would start a new thread and hope for the same helpful responses. Thanks in advance.
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