AVR Components tester

Hi everyone, today I show you my next project " AVR Components tester". This project is based on original project from this site - http://www.mikrocontroller.net/articles/AVR_Transistortester.
Components tester have two possibility power source: either from battery 6f22 or from external power supply. I used zif socket for quick part measurement.

Components tester schematic

Tester in action

 
If you want pcb project please send me mail

Flash and EPROM for Atmega328p:
TransistorTester.hex
TransistorTester.eep
TransistorTester.elf