When using the pyboard with MicroPython for the first time, we only need a data cable (macroUSB) from an Android phone. When the macroUSB cable is connected, the removable disk driver and virtual seri
Buzzer is a good device used by microcontrollers to alert people.I am more interested in this MLT-5020 because I have studied buzzing, and the bigger the buzzer, the louder it is.
As can be seen from