Description

  • Chip : PIC16F877A
  • 8 LEDs
  • 4 common anode digital tube
  • 1×4 independent keys
  • 4×4 matrix key
  • DS1302 clock chip
  • DS18B20 temperature sensor (temperature detection and display)
  • AT24C02 I2C external memory
  • Internal EEPROM read and write
  • LCD1602 LCD interface
  • LCD12864 LCD interface
  • In built buzzer
  • SP232 chip RS232 communication
  • ADC potentiometer input conversion
  • 1×4 seven segment displays
  • USB power supply interface
  • DC motor interface (PWM to achieve speed)
  • Stepper motor interface
  • Infrared receiver
  • 1 channel relay
  • PS2 keyboard interface
  • External reset circuit