On the ESP32C6, D4 = GPIO22 and D5 = GPIO23.
If you post a photo of the SCD41 and XIAO connection and the I2C scan sketch you tried, we might be able to figure something out.
On the ESP32C6, D4 = GPIO22 and D5 = GPIO23.
If you post a photo of the SCD41 and XIAO connection and the I2C scan sketch you tried, we might be able to figure something out.