Programming PIC Microcontrollers in C - Baltimore Hackerspace
Arduino Mega 2560 Rev3 — Arduino Official Store
44-PIN DEMO BOARD USER'S GUIDE - Microchip
Microchip Technology Inc. - The PICkit™ 44-Pin Demo Board includes an 8-bit PIC18F45K20 microcontroller, a small surface-mount prototype area and a 6- pin ICSP header for using the board with a PICkit 3