Open18F4520 is a PIC development board that features a PIC18F4520 device as the microcontroller. It supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with PIC microcontroller.
What's On Board
Open18F4520 development board on board resource


    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
    AMS1117-3.3: 3.3V voltage regulator
    Power switch
    Power indicator
    LEDs: convenient for indicating I/O status and/or program running state
    User keys: for I/O input test and/or program control
    Joystick: five positions
    Reset button
    Buzzer
    Infrared receiver
    4M crystal oscillator
    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
    8 I/Os interface: for connecting accessory boards which using I/O control, such as 8 Push Buttons, Motor, etc.
    SPI interface: for connecting SPI peripherals, such as DataFlash (AT45DBxx), SD card, MP3, etc.
    I2C interface: for connecting I2C peripherals, such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.
    1-WIRE interface: for connecting 1-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
    UART interface: for connecting UART peripherals, such as RS232, RS485, USB TO UART, etc.
    PS/2 interface: for connecting PS/2 keyboard and/or mouse
    Graphic multi-color LCD interface: for connecting 2.2 inch multi-color touch screen LCD which using SPI control
    Character LCD interface: for connecting character LCD, such as LCD1602 (3.3V blue backlight)
    5V DC jack
    Custom crystal socket
    VCC power input/output: usually used for power supply output, and/or common ground with other application board
    MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion
    ICSP interface: for debugging/programming
    LEDs jumper
    User keys jumper
    Joystick jumper
    PS/2 jumper
    1-WIRE jumper
    Buzzer jumper
    IR jumper
    VCC selection jumper
    Crystal selection jumper
    RA4 pull-up jumper

For jumper 26-32:
    short the jumper to connect to I/Os used in example code;
    open the jumper to connect to other custom pins via jumper wires.

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