Simple AVR Programmers

Posted on Oct 4, 2012

These are simple AVR programmers. I designed and built four different programmers for various envilonments: LPT controlled parallel programmer, LPT controlled ISP adapter, COM controlled ISP adapter and COM controlled generic SPI bridge. Additionaly, COM controlled adapters can be used as a communication cable between host PC and target board, it is useful for debugging.

Simple AVR Programmers
Click here to download the full size of the above Circuit.

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