Open aaronbeekay opened 8 years ago
TCA9555 datasheet says:
INT has an open-drain structure and requires a pullup resistor to VCC (Typically 10k Ω in value)
There is no pullup resistor on the !GPIO_INT line on v1.0.0. There should be.
TCA9555 datasheet says:
There is no pullup resistor on the !GPIO_INT line on v1.0.0. There should be.