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As I understand, I can use Arduino as ISP. Most instructions start with "load ArduinoISP from examples".

But then I want to load existing .hex file to the target chip. E.g.

AvrDude -> ArduinoBoard+ArduinoISP -> targetChip

And I fail miserably to find proper instructions though I believe this is possible and perhaps even already explained somewhere. I could not find instruction mainly because keywords yield instructions on many related but different topics.

I suspect that as Arduino uses avrdude I can sneak how it works when programming via ArduinoISP... At least I'm trying in this direction right now, but I would be glad if someone can help me to save the time.

UPD I've succeeded with the help of the answer below. The last thing to mention - I hate arduino's instruction for giving an image instead of specifying wiring. As I understand it is like:

  • pin 10 to reset
  • pin 11 to mosi
  • pin 12 to miso
  • pin 13 to sck
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    \$\begingroup\$ Google finds three sets of instructions very quickly. \$\endgroup\$
    – Ignacio Vazquez-Abrams
    Commented Dec 8, 2015 at 18:52
  • 2
    \$\begingroup\$ Would you care to share at least exact search query for poor person who are not as smart as you? \$\endgroup\$
    – Alumashka
    Commented Dec 8, 2015 at 18:59
  • \$\begingroup\$ git.linformatronics.nl/gitweb/?p=makefile;a=summary \$\endgroup\$
    – jippie
    Commented Dec 8, 2015 at 18:59
  • \$\begingroup\$ As I said it yields results to zounds of instructions on how to program target chip via ArduinoISP using Arduino IDE, writing separate sketch etc. I'm about something different, or am I wrong? \$\endgroup\$
    – Alumashka
    Commented Dec 8, 2015 at 19:10
  • \$\begingroup\$ let me Google that for you comments run afoul of the be nice policy, please don't use them. Better to provide a link an answer or nothing at all thanks \$\endgroup\$
    – Voltage Spike ♦
    Commented Jun 11, 2020 at 5:56

1 Answer 1

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Assuming you already have a binary file for flashing, this page may help you. All you need to do is:

  1. Connect the Arduino with loaded ArduinoISP sketch to the target chip

  2. Run AVRDude. Make sure to specify a programmer type. Also note that ArduinoISP will work at lower serial speeds. Example:

    avrdude -p m328p -P /dev/ttyACM0 -c avrisp -b 19200 -U flash:w:release.hex
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  • \$\begingroup\$ Oh yes, this line looks like exactly what I was searching for. I'll check it in a few minutes! I have no idea I should simply use "-c avrisp" for that case... Thank you very much! \$\endgroup\$
    – Alumashka
    Commented Dec 8, 2015 at 19:11
  • \$\begingroup\$ Yes, definitely works. Sorry for delay I've kicked about setting proper port, chip and path to config file. Thanks once more! \$\endgroup\$
    – Alumashka
    Commented Dec 8, 2015 at 19:59

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