As I'm a Senior Embedded System engineer, I have rich experiences in many embedded systems development, embedded software and hardware development over 7+ years Especially, I had developed many projects using the various microcontrollers such as STM32FXX, TI TM4C123, Atmega 328p, Atmega 2560, PIC16FXX, PIC18FXX, ESP8266, Raspbery Pi 3, Camera, Speaker, Wifi(ESP32,ESP8266),GPS/GPRS/GNSS, Zigbee, FreeRTOS, BLE/Bluetooth, MSP430, Atmega, and the various Sensors & LCDs.