I'm back with an answer from the ESP forum. Apparently, if the firmware contains VCC in its name, then the A0 input doesn't work quite fine. I changed mine and it's now working just perfect with a 10KOhm resistor. (ESP_Easy_mega_20210503_test_A_ESP8266_4M1M.bin : name of the firmware used)

Shouldn't that be wired like shown in this example?: https://www.hackster.io/gary-watts/esp8266-washing-machine-notifier-bd671c#schematics Jos Yup, it's what I did, sorry, I messed myself when writing ... you will most likely have better response if you ask this on the espeasy forum here: https ...

Hi everyone, I launched myself into a home automation project in which I wanted to integrate a lux sensor to control the lights intensity via Domoticz. So I flashed an ESP8266 with ESPEasy and connected a GL5528 like so : wiring 3,3V to A0 through a 1KOhm resistor and the GL5528 from A0 to GND. When ...