ARDU-8051: ATmel 8051 Hardware Shield & Virtual Lab

Complete learner-friendly guide for understanding the 8051 microcontroller, architecture, ports, and virtual experiments.

ARDU-8051 Development Board

๐Ÿ“˜ What is ARDU-8051?

ARDU-8051 is a simulation-first educational platform built around the classical 8051 microcontroller architecture. It enables students to learn assembly programming, timers, interrupts, ports, ADC, motors and serial communication without physical hardware.

๐Ÿงฉ 8051 Block Diagram

8051 CPU Program Memory Data Memory Timers T0/T1 UART & Interrupts

๐Ÿ”Œ I/O Ports

  • Port 0: Address/Data bus, ADC interface
  • Port 1: LEDs, switches, sensors
  • Port 2: High address bus
  • Port 3: RXD, TXD, INT0, INT1, T0, T1

๐Ÿ“ Hardware Design

๐Ÿ“ USBasp Programmer Circuit

USBasp Programmer Schematic

๐Ÿ” Search Experiments

LED
Timer-based blinking
7 Segment
BCD decoding
LCD
16ร—2 display
ADC
Analog conversion
Motor
Speed & direction

๐Ÿงญ How to Learn

  1. Read board explanation
  2. Understand ports & registers
  3. Select an experiment
  4. Write / modify code
  5. Simulate and observe