12x LED 4x GPIO Charlieplexing

202

02:07:03

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

published 9 years ago

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