@powersoft said in M5Paper I2C: Today I rewrote the routines for the BMP280 and BME280 for a single device. Simple include the source into the main program, and call it. This is now working as I wont. It takes a afternoon of work! Now put the finishing touches on the BMP280/BME280. Would it make sense to post them on the forum when they are ready? Cheers Jan Hi @Powersoft sorry for the absence, ive had some issues to deal with. nice work finding the issue. Create a project in the project forum and post your code and solution in there.