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by tareq021
Tue Nov 12, 2024 6:45 pm
Forum: ESP32 Arduino
Topic: Unable to use I2C sensors with ESP32-C3
Replies: 5
Views: 9332

Re: Unable to use I2C sensors with ESP32-C3

1. ESP32-C3 Supermini does not need any external pull up resistor.
2. Connect Vin of I2C device with ESP's any pin (I used 6) and keep it HIGH in setup.
3. Connect PIN_9-> SDA, PIN_10-> SCL, avoid Pin 8 .

Supermini's PIN 8 works on inverted logic (LOW means ON), for which it does not work if try to ...

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