AVR programmer for devices with 64KB or less flash. Not Atmega1281/1280/2561/2560.

$ avrdude -cusbtiny -pm328p -D

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e950f (probably m328p)

avrdude: safemode: Fuses OK (E:FD, H:DE, L:FF)

avrdude done.  Thank you.