Fix ESP32 + PN532 Wiring
Budget / Salary£20–250
TypeFreelance project
LocationRemote
Posted4 hours ago
I need help fixing the wiring between an ESP32 and a PN532 NFC scanner. The scanner currently shows "No I2C device found."
Requirements:
- Correct SDA and SCL connections (currently SDA on 21, SCL on 22)
- Ensure power wires are connected to the correct pins
- PN532 must be detected after fix
Ideal Skills:
- Experience with ESP32 and PN532
- Knowledge of I2C wiring and troubleshooting
Requirements:
- Correct SDA and SCL connections (currently SDA on 21, SCL on 22)
- Ensure power wires are connected to the correct pins
- PN532 must be detected after fix
Ideal Skills:
- Experience with ESP32 and PN532
- Knowledge of I2C wiring and troubleshooting
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