Connect the MPLAB ICD 3 in-circuit debugger to a PC USB port via a USB cable. If the drivers do not install automatically, then install the drivers as instructed in: C:\Program Files\Microchip\MPLAB IDE\ICD 3\ Drivers\anime-rio-rainbow-gate-sub-indo-kurnia.com Note: If a USB hub is used, the hub must be powered with its own power supply. drivers in MPLAB ICD 3 debugger VPP. Microchip Technology MPLAB® ICD 3 In-Circuit Debugger System debugs and programs PIC® Flash Microcontrollers (MCUs) and dsPIC® DSCs with the powerful, easy-to-use MPLAB IDE graphical user anime-rio-rainbow-gate-sub-indo-kurnia.com Microchip debugger's probe is connected to a . The Microchip ICD3 is a great low cost USB programmer we recommend for carrying out in circuit firmware programming and upgrades of Microchip microcontrollers. There are other programmers that are also suitable, however this guide is deals with the Microchip ICD3. 1. Purchase a Microchip ICD 3 Debugger / Programmer (Microchip part number.