參考資訊:
https://blog.podkalicki.com/how-to-update-avr-usbasp-firmware-to-latest-version/
加上-B 1024設定bitclock
$ avrdude -p attiny13 -c usbasp -B 1024 -F -P usb avrdude: set SCK frequency to 500 Hz avrdude: AVR device initialized and ready to accept instructions Reading | ################################################## | 100% 0.20s avrdude: Device signature = 0x1e9007 (probably t13) avrdude: safemode: Fuses OK (E:FF, H:FF, L:6A) avrdude done. Thank you.