How To Find Unknown I2C Addresses Several Ways

After struggling to get a 128x64 OLED display working over I2C, I learned many things about I2C addressing including: -There are 7-bit and 10-bit addressing schemes -There is no 8-bit addressing scheme, but some vendors improperly provide 8 bit addresses -There are a few shortcuts to finding out what the real I2C address of a device may be -As a last resort, an I2C scanner can be employed to locate all valid devices on the bus and report their addresses This is a video of my journey! Previous video with I2C address issues    • How to use a 128x64 OLED Display and Capac...   Sketch for I2C Scanner: https://github.com/GadgetReboot/Ardui... Arduino I2C Scanner Reference Code https://playground.arduino.cc/Main/I2... NXP I2C Specification Manual https://www.nxp.com/docs/en/user-guid... Adafruit I2C Device Address List https://learn.adafruit.com/i2c-addres... Reference info on improper 8-bit I2C address referencing https://www.totalphase.com/support/ar... Patreon:   / gadgetreboot   Pinterest: https://www.pinterest.ca/GadgetReboot Twitter: @GadgetReboot   / gadgetreboot