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by jopost
Tue Aug 06, 2024 6:27 pm
Forum: ESP32 Arduino
Topic: Help with A/D and photosensors.
Replies: 2
Views: 1136

Help with A/D and photosensors.

Hello. I am trying to use 14 photosensors on an ESP32-WROOM-32D dev board from IOTcrazy, I dont have enough pins to have each photocell on their own pin. Is there a way to setup a matrix of photocells. Its for a custom pillbox that needs to detect light level changes when the cap opens. There is 14 ...