The Vf of the red and green LEDs combined is just enough (slightly under 3.3V) for them to light dimly even with the middle tristated. Perhaps this should be dropped a bit with a Schottky in the supply to avoid this.
Upstream issue:
LED "leakage" #6
https://github.com/daveshah1/TrellisBoard/issues/6
The Vf of the red and green LEDs combined is just enough (slightly under 3.3V) for them to light dimly even with the middle tristated. Perhaps this should be dropped a bit with a Schottky in the supply to avoid this.
jebba
Function Test LEDs
Upstream issue:
LED "leakage" #6
https://github.com/daveshah1/TrellisBoard/issues/6
The Vf of the red and green LEDs combined is just enough (slightly under 3.3V) for them to light dimly even with the middle tristated. Perhaps this should be dropped a bit with a Schottky in the supply to avoid this.
Upstream:
trellisboard: Disable pulldown on LEDs
a4c25a137a