PIC development board designed for PIC18F series, features the PIC18F4520 MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.

1. PIC18F4520-I/P:the high performance PIC MCU which features:
   • Core: PIC 8-bit RISC
   • Operating Frequency: 40MHz Max
   • Operating Voltage: 2-5.5V
   • Package: DIP40
   • I/Os: 36
   • Memories: 32kB Flash, 1536B RAM, 256B EEPROM
   • Communication Interfaces: 1 x MSSP(SPI/I2C), 1 x A/E/UART, 2 x PWM, 8 x ADC
   • Debugging/Programming: ICSP interfaces
2. AMS1117-3.3: 3.3V voltage regulator
3. Power switch
4. Power indicator
5. LEDs: convenient for indicating I/O status and/or program running state
6. User keys: for I/O input test and/or program control
7. Joystick: five positions
8. Reset button
9. Buzzer
10. Infrared receiver
11. 4M crystal oscillator
12. 16 I/Os interface | 8-bit AD interface
    • for connecting accessory boards which using I/O control, such as FT245 USB FIFO, 8 SEG LED, etc.
    • there’s also 8-bit AD interface can be used for AD testing
13. 8 I/Os interface: for connecting accessory boards which using I/O control, such as 8 Push Buttons, Motor, etc.
14. SPI interface: for connecting SPI peripherals, such as DataFlash (AT45DBxx), SD card, MP3, etc.
15. I2C interface: for connecting I2C peripherals, such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.
16. 1-WIRE interface: for connecting 1-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
17. UART interface: for connecting UART peripherals, such as RS232, RS485, USB TO UART, etc.
18. PS/2 interface: for connecting PS/2 keyboard and/or mouse
19. Graphic multi-color LCD interface: for connecting 2.2 inch multi-color touch screen LCD which using SPI control
20. Character LCD interface: for connecting character LCD, such as LCD1602 (3.3V blue backlight)
21. 5V DC jack
22. Custom crystal socket
23. VCC power input/output: usually used for power supply output, and/or common ground with other application board
24. MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion
25. ICSP interface: for debugging/programming
26. LEDs jumper
27. User keys jumper
28. Joystick jumper
29. PS/2 jumper
30. 1-WIRE jumper
31. Buzzer jumper
32. IR jumper
33. VCC selection jumper
34. Crystal selection jumper
35. RA4 pull-up jumper