No i2c device found

Welcome to the forum

Please post your sketch here, using code tags when you do

Please follow the advice given in the link below when posting code, in particular the section entitled 'Posting code and common code problems'

Use code tags (the </> icon above the compose window) to make it easier to read and copy for examination

Please provide details, preferably a schematic, of your project such as which Arduino you are using, how it is powered and anything connected to the Arduino