Did you order that 4-port USB hub because it was almost free but now it’s just sitting in your junk box? Why not turn it into an In System Programmer for AVR chips? [Paul] came up with HUB ISP as an ...

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 ...

There are rumors of a cheap chip that does USB natively, has an Open Source toolchain, and costs a quarter. These aren’t rumors: you can buy the CH552 microcontroller right now. Surprisingly, there ...