I'm trying to design a super cheap programmer. I have a USB to RS232 adapter, and a Max232 chip. I used http://chuckontech.com/?p=147 as a guide to configure my Max232, I also put the chip in echo mode (connecting pins 9 and 10 together), sent commands with Putty and got them back. Now I am trying t…

Serial Programmer Atmega328p

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