Resolved! [SOLVED] STM32F103c8t6 (aka blue pill) i2c with AM2320: HAL_I2C_IsDeviceReady() always returns an error.
So I've been trying for a while to get the I2C1 peripheral working for communicating with the AM2320 humidity/temperature sensor but for some reasons I have not yet broken down, it never seems to reach it. I used CubeMX to initialize the peripherals ...