A Universal Synchronous Receiver/Transmitter interface is a device able to transmit data word serially using two I/Os, one acting as transmitter (TX) and one as receiver (RX), plus one additional I/O as one clock line, while a Universal Asynchronous Receiver/Transmitter uses only two RX/TX I/Os. We refer to the first…

In this post i will try to explain how to work with led's present on the STM32F411 Discovery. I will be using HAL drivers provided by the ST for driving the LED's that means turning led on and off. Turning on and off led is nothing but driving GPIO pin…