Thought I'd better post that there is an error in the LED matrix schematic.
The 18 transistors should all be connected to + 5 Volts, not Gnd.
Cheers, Art.
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Thought I'd better post that there is an error in the LED matrix schematic.
The 18 transistors should all be connected to + 5 Volts, not Gnd.
Cheers, Art.
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