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12x LED 4x GPIO Charlieplexing

@rohatech
9 years ago
https://everycircuit.com/circuit/4997170252218368
ATtiny PinMode = HIGH, LOW, INPUT Works very well with ATtiny85. If you switch each single LED on for 2 ms and delay for 22 ms, it lookes like all on. # = pinMode(INPUT) 0 = pinMode(OUTPUT); digitalWrite(LOW); 3 = pinMode(OUTPUT); digitalWrite(HIGH); #3#0 R1 #0#3 G1 0##3 R2 3##0 G2 3#0# R3 0#3# G3 30## R4 03## G4 #30# R5 #03# G5 ##30 R6 ##03 G6
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