Configure a STM32 Board as I2C-Slave and read from it by using HAL_I2C_Mem_Read_IT
I've succesfully built an I2C connection between two STM32 boards by using HAL library with interrupts. It looks like this:Master:if button 1 is pushed -> HAL_I2C_Master_Transmit_IT(&hi2c1, 0xA0, &i2c_send_master, 1);if button 2 is pushed -> HAL_I2C_...