Timeline for "avrdude: stk500_getsync(): not in sync: resp=0x00," aka Some Dude Named Avr Won't Let Me Upload My Program
Current License: CC BY-SA 4.0
22 events
| when toggle format | what | by | license | comment | |
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| Nov 5, 2022 at 18:13 | comment | added | Shahin Shirazi | @TheGuywithTheHat: you were absolutely correct. I bought my board from Aliexpress aliexpress.us/item/… and was trying to use "Arduino Pro or Pro Mini" as my board which keep giving me this error, after I read more about the board I figured its based on ESP8266, so I installed the driver and then selected "Node MCU 1.0" which worked just fine. Thanks a lot. | |
| Feb 17, 2022 at 19:47 | comment | added | Peter Smit | For me it was a component connected to digital port 0 | |
| May 16, 2021 at 17:49 | comment | added | Kyle Pennell | I bought a 3 pack of cheap rexqualis nanos on amazon. The first one I was trying kept giving me this error so I tried another and it worked fine...odd | |
| Aug 22, 2020 at 13:35 | comment | added | iFreilicht | Note about the bootloader: On the Arduino Uno and Mega 2560, there's actually two bootloaders! One on the microcontroller which the sketch gets written to, and one on the 16u2 which handles the USB stack and acts as the actual programmer for the sketch-micro. In my case, the 16u2 was the problem. | |
| Jun 5, 2019 at 19:47 | comment | added | Vladyslav Savchenko | Could you please append also Tools->Processor->Atmega 328P to Atmega 328P (Old Bootloader) to the list of possible solutions. | |
| Oct 25, 2018 at 23:38 | comment | added | byxor | Thank you so much. This error went away when I removed my ethernet shield and tried uploading. You just helped me meet a serious deadline. | |
| Oct 2, 2018 at 10:22 | comment | added | user6039980 | "Press the reset button on the board" helped. | |
| Sep 27, 2018 at 21:09 | history | edited | The Guy with The Hat | CC BY-SA 4.0 |
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| Jul 11, 2017 at 22:46 | history | edited | The Guy with The Hat | CC BY-SA 3.0 |
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| Apr 13, 2017 at 12:50 | history | edited | CommunityBot |
replaced http://arduino.stackexchange.com/ with https://arduino.stackexchange.com/
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| Mar 6, 2017 at 3:38 | comment | added | YetAnotherRandomUser | The part about pins 0 and 1. Kinda sucks when the whole point of your project is a 232 port on pins 0 and 1. UGH | |
| Aug 5, 2015 at 19:58 | comment | added | Grace Huang | "Disconnect and reconnect the USB cable" works for me | |
| Jul 31, 2015 at 22:07 | comment | added | linhartr22 | I got this error on my very first Duemillanove years ago. It was a dead UART chip (or connection from USB to UART chip). Very frustrating. I bought an AVR programmer and burned the bootloader. Purchased another CPU with bootloader preloaded. Wasn't until vendor sent a replacement that I was able to join the world of Arduino aficionados (and I now have two spare CPUs). | |
| Mar 31, 2015 at 15:12 | comment | added | The Guy with The Hat | @Tim You can connect stuff to those pins, but you have to disconnect them if you want to communicate with your Arduino via the USB cable. | |
| Mar 31, 2015 at 14:40 | comment | added | Tim | So can I not have anything in 0 or 1 ever? | |
| Feb 22, 2015 at 18:02 | history | edited | Anonymous Penguin | CC BY-SA 3.0 |
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| Apr 4, 2014 at 20:55 | history | edited | The Guy with The Hat | CC BY-SA 3.0 |
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| Feb 24, 2014 at 4:47 | comment | added | Connor Wolf |
There are other possible causes. Your could have damaged the ATmega, you could have damaged the bootloader on the ATmega, you could have power issues, or a myriad of other possibilities. The not in sync: resp=0x00 is really a generic "ATmega not responding" message. Anything that could cause the ATmega to not respond can cause it.
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| Feb 14, 2014 at 1:12 | vote | accept | The Guy with The Hat | ||
| Feb 12, 2014 at 12:56 | history | edited | The Guy with The Hat | CC BY-SA 3.0 |
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| Feb 12, 2014 at 0:24 | review | First posts | |||
| Feb 14, 2014 at 0:34 | |||||
| Feb 12, 2014 at 0:08 | history | answered | The Guy with The Hat | CC BY-SA 3.0 |