Interfacing I2C LCD With STM32 Black Pill Using STM32CubeIDE

In this tutorial, we'll use an STM32 Black Pill to program an I²C LCD on STM32CubeIDE using HAL programming.

1. STM32 Black Pill
2. LCD with I2C
3. Female to Female Jumpers
4. STMCubeIDE
5. STMCubeProgrammer
6. USB C Cable

• Create a new STM32 project from File > New > STM32 Project
• Select the appropriate board.

• Go to Connectivity > I2C1 and enable it. This will set SDA to pin 43 and SCL to pin 42.\
• Go to System Core > RCC > HSE > Crystal/Ceramic Resonator.

• Configure your board's clock.
• Save using Ctrl + S.