Refer: Silicon Chip October 2002 Program, erase and rewrite the program and data memory in your AVR microprocessor without even removing it from the application circuit. AVR ISP Serial Programmer Kit KC5340 Assembly Required Kit supplied with PCB. Jiffy box with silk-screened lid and all electronic components.,Refer: Silicon Chip October 2002 Program, erase and rewrite the program and data memory in your AV