Timeline for Uploading sketch to ATTiny84 with Nano as "Arduinio as ISP" stopped working
Current License: CC BY-SA 4.0
28 events
| when toggle format | what | by | license | comment | |
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| Nov 12, 2020 at 22:51 | comment | added | timemage | Heh, well, I guess we'll never know. Generally speaking the arduinoisp.ino sketch itself is reliable. The process for using it is not terribly clear for most people the first couple times through. | |
| Nov 12, 2020 at 22:47 | comment | added | Rick Dearman | I think it might have been the "reupload" of the Arduinio as ISP ?? | |
| Nov 12, 2020 at 22:14 | comment | added | timemage | Well, I'm glad it works for you. I'm unclear on what changed from what you were doing before to now though. | |
| Nov 12, 2020 at 21:38 | vote | accept | Rick Dearman | ||
| Nov 12, 2020 at 21:37 | history | edited | Rick Dearman | CC BY-SA 4.0 |
Update on resolution.
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| Nov 11, 2020 at 23:46 | comment | added | timemage | You would still need to have reset defeated by cap no gnd, cut trace, or hard pullup, without the other wiring attached. I have done this here using a 62 ohms pullup (instead of a cap) and it behaved as expected. Which is to say it failed to check the device's (not attached) signature and NOT an stk500v1 protocol sync error. I then went on to hook a t85 to it and that worked fine as well. I /could/ write all this up, but I deeply suspect if I do that you're going to come back with "still not working" because of something going on there that we cannot see. | |
| Nov 11, 2020 at 22:23 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Nov 10, 2020 at 21:55 | comment | added | timemage | With arduinoisp.ino loaded correctly, with nothing wired to it at all, with the correct options specified during uploading, you would get a failure to check the device signature and not the sync error you are getting now. | |
| Nov 10, 2020 at 21:53 | comment | added | timemage | Having followed all of the suggestions and comments here, I'm not sure what to suggest you do now outside of producing a video showing every last thing you're doing throughout the entire process, including the part of putting the arduinoisp.ino sketch on the nano. To be clear, the error messages themselves are in avrdude failing to talk to the arduinoisp.ino sketch. You could, and perhaps should for a sanity check, pull the nano right off the board and see that you get an entirely different error message. If you don't then there is something wrong with the arduinoisp.ino sketch loaded. | |
| Nov 10, 2020 at 20:44 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Nov 10, 2020 at 3:02 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Nov 8, 2020 at 21:27 | answer | added | timemage | timeline score: 0 | |
| Nov 8, 2020 at 11:44 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Nov 2, 2020 at 19:52 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Oct 28, 2020 at 22:13 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Oct 28, 2020 at 17:40 | comment | added | Rick Dearman | At the top of the breadboard, outside the picture, there are two wires connecting the power and ground on both sides. | |
| Oct 28, 2020 at 11:50 | answer | added | StarCat | timeline score: 2 | |
| Oct 28, 2020 at 11:46 | comment | added | StarCat | From your picture, I think your ATtiny84 is not powered (connected to the wrong power rails). The positive (red) and negative (blue) rails on both sides of a breadboard are usually not connected . | |
| Oct 28, 2020 at 9:37 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Oct 28, 2020 at 7:04 | comment | added | StarCat | That sounds really frustrating. But if it worked before, something must have changed to make it not work now (sorry, that’s obvious). You’ve as good as ruled out the PC side of things by testing it with different setups. Did you make sure all Nanos have the "ArduinoISP" sketch loaded and the ATtiny fuses match the expected setup? Could you add a picture of your setup? | |
| Oct 27, 2020 at 8:32 | comment | added | Rick Dearman | Yes, for both compilation and upload. | |
| Oct 27, 2020 at 6:31 | comment | added | Juraj♦ | I edited the question for a better title and tags. The avrdude output doesn't look to be verbose. did you turn on in Preferences verbose mode for upload? | |
| Oct 27, 2020 at 6:29 | history | edited | Juraj ♦ | CC BY-SA 4.0 |
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| Oct 26, 2020 at 18:58 | comment | added | Rick Dearman | Yes, I have a capacitor between gnd & reset. | |
| Oct 25, 2020 at 20:01 | history | edited | Rick Dearman | CC BY-SA 4.0 |
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| Oct 25, 2020 at 17:49 | comment | added | Rick Dearman | Yes, the ATtiny is on a breadboad. I used raw.githubusercontent.com/damellis/attiny/… this link to setup the Attiny boards. Then I am using Attiny24/44/84, Processor Attiny84, and internal 1 Mhz clock. | |
| Oct 25, 2020 at 9:18 | review | First posts | |||
| Oct 25, 2020 at 17:41 | |||||
| Oct 25, 2020 at 9:14 | history | asked | Rick Dearman | CC BY-SA 4.0 |