And, of course, these peripherals are present on the Compute Module 4, ... and the I2C clock stretching bug has been fixed!) ... Main image remixed from Raspberry Pi 4 GPIO pinout diagram by ...

I2C LCD Display. Now let’s get started. At first you need to solder the backpack to your LCD module. Ensure that the backpack pins are straight and fit in the LCD module, then solder in the first pin ...