Features:Inputs: 16 switch keypad, 3 potentiometers, IR, temperature, real time clock Outputs: LED bargraph, 2x20 LCD module, speaker, DTMF, PWM, IR, 2 RC servo connectors I/O: RS232 interface, RS485 interface Serial EEPROM: I2C, SPI, Microwire Misc: Reset button, 5-volt regulator, 40-pin ZIF socket for PICmicro MCU (device optional) Jumper selectable oscillator from 4MHz to 20MHz In-circuit programming/debug connectors Prototyping area for additional circuits Available assembled, as a kit or as a bare PCB Size is 5.5" x 5.6"