This upload method is mainly dedicated to boards manufactured by ST which integrate a ST-Link: Nucleo, Discovery, Eval. This enables drag-and-drop flash programming, so there is no need for a separate ...
Most people call ESP8266 as a WIFI module, but it is actually a microcontroller. ESP8266 is the name of the microcontroller developed by Espressif Systems which is a company based out of shanghai.
Imagine you have a system with a mission-critical function controlling a robot arm or doing something much more important. You normally use a software timer to poll, or even place the function in loop ...