If you’re using 5v (which the device requires), the pullup resistor values given are wrong. The very minimum should be 1.5k. This might be why it doesn’t work with the ground pin connected (yes, that should be connected). If that doesn’t work, you have other electrical problems in your system.
Product BOB-00099 | about 2 years ago
If you’re using 5v (which the device requires), the pullup resistor values given are wrong. The very minimum should be 1.5k. This might be why it doesn’t work with the ground pin connected (yes, that should be connected). If that doesn’t work, you have other electrical problems in your system.