Description: Preprogrammed USB Full Speed HID Chip 19 GPIO
Based on the Microchip PIC18F2550 USB chip.
19 programmable Input/Output pins.
Minimum external required parts; USB Chip, Crystal, Resistor and Caps.
Features; I2C Port, Event counter, ADC, Clock generator with variable frequency duty cycle, Variable current sink control. Self powered from the USB Cable. Up to 450mA available to the user. Unique serial number in each chip.
Uses the built in HID driver. Chip Data Sheet Basic Schematic