Microchip pickit 3 debug express microchip dv164131 microchip 39 s pickit 3 in circuit debugger programmer uses in circuit debugging logic incorporated into each chip with flash memory to provide a low cost hardware debugger and programmer the mplab pickit 3 allows debugging and programming of pic and dspic flash microcontrollers at a most affordable price point using the powerful graphical user interface of the mplab integrated development environment ide the mplab pickit 3 is connected