Attention: Beware that you might need to set a jumper on your USBasp programmer to flash the bootloader (JP3 on most chinese clones). Once the bootloader is installed, you can flash the firmware. Go ...

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[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 ...