Here’s a new option for building your own AVR programmer. It’s called the MkII Slim and the diminutive size makes it live up to its name. The design is rather spartan, using just three chips ...
A Direct AVR Parallel Access ... We should at least mention the MKII, a programmer that offers ISP in the same way that the USBtinyISP does, but also provides JTAG, debug wire, and few others.