Atmega8 support about arduino_sketches HOT 7 CLOSED

Sure. If you look at the code where the words CROSSROADS_PROGRAMMING_BOARD occurs, there is provision for selecting something like 99 files with a rotary encoder and a LED readout.

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Why did you modify the code? It supports the Atmega8. What does "all failed" mean? Did it not compile, or not run? If it didn't program the Atmega8 what results did you get? (Which LEDs flashed, etc.)

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Hi, Thanks for the reply, instead of ATMEGA328 I wanted to use ATMEGA8 as a brain of ARDUINO. The compiled code occupy <14K which cannot use for the ATMEGA8. I have a lot of ATMEGA8 with me but not have ATMEGA328. Thanks

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You want to use the Atmega8 to upload code to another Arduino? It doesn't have enough RAM to run that sketch. You can use an Atmega328 to upload sketches to the Atmega8. You only have to buy one Atmega328 which would probably cost you around $10.

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Thank you for the response. I will use ATMEGA328. Also, I am also thinking to expand the functionality by introducing one more switch (say SW2) to select files. Simply, instead of one fixed file, three fixed file names can be used and selected by another switch (SW2). The file selection can be indicated by the three LED's used for the debugging. Is it possible?

Thanks.

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I designed a simplified schematic and PCB for the atmega328. Can you check the schematic? Thank you.

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It is beyond the scope of offering this sketch to the public for me to check schematics, sorry.

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