It’s assumed that you have procured one USBasp Programmer from your trusted component vendor! Connecting the programmer to your computer comprises of two steps. First step is the physical connection ...

Above you can see [Hans’] creation next to the official Arduino USB-to-serial programmer. He used the same connection scheme, but went with an edge connector for the USB instead of using a mini ...

Instead of shelling out $50 for a USB programmer he a programming interface from an old router.What he’s doing is bit-banging using Linux.