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by Concode
Fri Jul 11, 2025 9:42 am
Forum: General Discussion
Topic: Need Help: ESP32 C3 MINI-1 I2C Setup
Replies: 1
Views: 130

Need Help: ESP32 C3 MINI-1 I2C Setup

Hello, I use the ESP32-C3 Mini-1 module to implement the BMI270 sensor and I²C communication.

Environment
Board: ESP32-C3 Mini-1 (N4) Module
Firmware Framework: ESP-IDF V5.4.2
Sensor: BOSCH BMI270 (I²C address 0x68)
+ SCL/SDA Pull-up Resistor 10k

when i initialize the i2c, unexpected nack detected ...

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