Designers who use AVR microcontrollers have no shortage of programming interfaces — we count at least five different methods: ISP/SPI, JTAG, TPI, PDI, and UPDI.

[jethomson] sent in a build he’s been working on that turns an inexpensive AVR programmer into a development board. The build is based on the very affordable USBasp programmer that’s based on ...

Kudos! Now the USBasp programmer and the programming adaptor are ready for use. Next step is the preparation of the first AVR C program. AVR Studio provides an IDE for writing, debugging, and ...

Protostack recommends using their USBASP AVR Programmer to program the converter.