已经PCB打样，焊接调试后可正常使用，MPLAB可正常识别为ICD2，功能与原装一致。

本文件为原理图，单片机固件。有兴趣者可根据该sch制作PCB，自制编程器。-PCB proofing, welding can be normal use after debugging, MPLAB can normal recognition for ICD2, function is consistent with the original.

This file is a schematic diagram, MCU firmware. Interested suppliers can make PCB according to the SCH, homemade programmer.