In my system it is COM3 so when MicroPro first runs you must set the Port to 3. You can find the COM port number of the USB driver by going to Start/Settings/ControlPanel/System/Hardware/ DeviceManager/Ports (COM&LPT). You can download a Help file AN232-05 from to guide you through the USB driver installation if you are unsure of how to do it.
(diypgmrp folder is created by diypack22.zip.) Disregard the Microsoft Uncertified Driver warning. At this time they can be found at The top heading is VCP Drivers for Win'98 / ME / 2000 / XP ( with enhanced BM series support ) I recently downloaded P9012134.zip, unpacked it into C:\diypgmrp\USB then ran Start/Settings/Control Panel/Add Hardware. You will need to download and install USB drivers from Now these drivers are being updated about every month. After you have the kit working then you can download the latest version, upgrade the firmware and run with the latest MicroPro.exe. NOTE: if you log onto this site and find a later version of diypack.zip then make sure you download diypack22.zip and not the latest version. The programmed firmware in this kit contains the k150.hex file which is in the folder. Download diypack22.zip from Unzip and run setup.exe. You will need to buy a standard A-B USB cable to connect from your PC to K150. The USB connector is a standard ‘B’ type. Make sure the crystal is mounted 2-3mm above the PCB so the case cannot make contact with the pads on the top layer or the R19 resistor. Solder the lowest height thru-hole components first. But some thru-hole components have been left for the buyer to solder. Most components – resistors, transistors and 2 Ics - are already presoldered onto the PCB. Color photos of the assembled Kit can be found at The photos are with an optional ZIF socket. There are 14 through-hole components for the buyer to solder.
Most of the components – resistors, some capacitors, transistors and two ICs – are surface mount and are presoldered on the board. This is the third in a series of three PIC Programmers designed by Tony Nixon. USB PIC PROGRAMMER This documentation was written August 25, 2004.
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