This app is a 8051 tutorial based on C language. It is suitable for hobbyist or engineering students. Features • 8051 architecture review • 8051 asm mnemonics • 8051 C lanugage • 12 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1,2) • Baud calculator Features in Pro • More than 10 extra 8051 projects • Over 20 in-app purchase projects • Create C source code of timer mode 0,1,2 • Data pattern code generator of 8x8 LED matrix