How can I read Arduino Leonardo with USBASP ?
I tried with Avrdude and got :
avrdude: warning: cannot set sck period. please check for usbasp firmware update. avrdude: error: programm enable: target doesn't answer. 1 avrdude: initialization failed, rc=-1 avrdude: AVR device initialized and ready to accept instructions avrdude: Device signature = 0x000000 avrdude: Yikes! Invalid device signature. avrdude: Expected signature for ATmega32U4 is 1E 95 87 avrdude done. Thank you.
Any clues ?