Nach erfolgreicher Programmierung wird der ISP-Programmer vom USB-Anschluss des PCs entfernt und das Verbindungskabel zum ISP-Anschluss des Targets abgezogen. Der umprogrammierte Arduino Nano wird per ...

The repository of files required for burning a bootloader into Arduino related boards - Releases · ticepd/AtmegaIC-Arduino_Nano-AVR_ISP-Programmer ...

Turning an Arduino of virtually any sort into a simple AVR 6-pin ISP programmer is old hat. But when Atmel came out with a series of really tiny AVR chips, the ATtiny10 and friends with only six pi… ...

One option is of course to purchase an UPDI programmer, but an even better solution was to make a DIY USB version from nice, cheap parts. Programming an Attiny404 over the UPDI interface.