What is a microcontroller, microcontroller software, Wireless microcontroller

STM32F Series 1 MB Flash 192 KB RAM 168 MHz 32-Bit Microcontroller – LQFP-64 Website URL: https://www.futureelectronics.com/p/semiconductors–microcontrollers–32-bit/stm32f405rgt6-stmicroelectronics-1012641 Country List: Bangladesh