What do you mean, could you elaborate? Voltage divider is grounded at GND pin. The board is powered and grounded by USB connection to my PC, but I wrote that, so I doubt this is what you're asking.
Search found 2 matches
- Mon Jun 08, 2020 2:06 pm
- Forum: Hardware
- Topic: Periodic noise on ADC
- Replies: 4
- Views: 7230
- Wed Jun 03, 2020 8:37 am
- Forum: Hardware
- Topic: Periodic noise on ADC
- Replies: 4
- Views: 7230
Periodic noise on ADC
Hi, I was sent over from the Adafruit forum, since this question seems to concern the chip, not the board. See the original thread here . I've got an Adafruit HUZZAH32 ESP32 feather board connected to my PC via USB and I'm trying to read from a voltage divider at ADC1 channel 0, powered by the 3V pi...