*C language *Micro-Controller Platform: Microchip/Pic,ST, Texas Instrument,Atmel,Nuvoton, Arm-Cortex *Tools: Assembler/Debugger/Compiler,Keil , IAR-Workbench,Atmel Studio,Mplab *Protocol: SPI,I2C,Onewire Protocol,UART,RS232,USB *Interfaces: 7 Segment, LCD, OLED, Loadcell, Swich, Led, Mosfet, Triac, Igbt, Bjt etc.