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by nigelt
Fri Mar 08, 2024 5:53 pm
Forum: Hardware
Topic: ESP32+i2c+LCD
Replies: 1
Views: 3250

ESP32+i2c+LCD

I'm trying to use an ESP32-S.

I have connected an LCD via pins 21 and 22 (plus power).

The program compiles but the display never changes.
I have run an i2c finder progrma and that comes back with the default 0x27 for my LCD with i2c back pac.

Arduino IDE 2.3.2

/*

* For more detail ...

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