self programming jumper

USB AVR Programmer and SPI interface. Adafruit's USBtinyISP.

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adnan jj
 
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self programming jumper

Post by adnan jj »

Hi every one..

I have made the programmer ( USBtinyISP ) and now it's working properly. but I think I have a problem with the self programming jumper JP5 in the circuit , it didn't work and avrdude says that it doesn't the target chip rc=-1.

can any one help me on this?:roll:

adafruit
 
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Post by adafruit »

v2 cant be self-programmed

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adnan jj
 
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Post by adnan jj »

I didn't recognized that. Thanks...
but may I ask a question, then why there is a self-programming jumper in the circuit of v2 !!?

adafruit
 
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Post by adafruit »

kinda the same reason we have a little toe :)
you -could- self program if you 'jumpered' the '125
i left it there since it takes up so little space.

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