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issue read ADC 12bits value not 4095 at 3.3V

2025-04-02 06:41:57 Ask

Hi

My question about ESP32 C6 Development Board 1.47 inch LCD Display Screen ST7789

i'm using arduino IDE

When i apply 3.3v on one of ADC pin, analogRead returns the value 3390 instead of 4095.

Do you have any ideas on how to solve this problem?


Sincerely, Pierre Weiss (FRANCE, Europe)

1answers
SpotPearGuest246b4
Answer time:
2025-04-02 15:39:02

Try changing other pins to see if the same problem occurs.

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