Can't Upload To Arduino Nano Copy - PlatformIO Community

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PlatformIO IDE gian-laager January 28, 2021, 12:09pm 1 I’m trying to upload a program to an arduino nano copy, in the Arduino IDE I have to select Processor: ATmega328 to upload successfully. This is my platrom.ini file:How ever platformio failes and gives me this output:When I select ATmega (Old Bootloader) in the Arduino IDE, I get the same output. I was told that it could be possible that this is a problem of the Arduino copy and not platformio.I also tried board = nanoatmega328 which gave me the same out put as above.I’ve also have successfully uploaded the same program with board = nanoatmega328 on an other Arduino nano which i think is from a different manufacturer. For this Arduino I also had to choose ATmega (Old Bootloader) in the Arduino IDE.Any ideas what I could try?EDIT TO SOLUTION: I’m not exactly sure but I think burining the bootloader fixed it. maxgerhardt January 28, 2021, 12:49pm 2 Does your Nano have a CH340 chip as serial converter? Then I’d recommend you install the latest driver from the vendor CH341SER.EXE - 南京沁恒微电子股份有限公司 (blue download button).And your Arduino Nano has a Atmega328 chip on it and not a 168 one?You could also try to use different bootloader baud rates, that is the main difference (115200 on new vs 57600). See docs for setting that. you could use board = nanoatmega328 and then addwith a few different baud rates (e.g. from here).If none of these baudrates work, then chances are that

the bootloader programmed into your Arduino Nano copy is different

there is no bootloader programmed

the board has a physical defect

Note that in the first two cases, you can indeed try and rescue the board by programming it with an ISP programmer. Basically, you can use another Arduino Uno (I think Nano, too) and flash a special sketch on it that will make that board act like a programmer. Using that programmer, you can reflash the chip directly via the SPI/ISP interface, without going through a bootloader program. If the target chip is not damaged, this will work.There’s materials available for that here, here, here if you translate it with google, and here. These tutorials use the Arduino IDE, which is perfectly fine to burn the bootloader and is more beginner friendly. But you can also do the same thing using PlatformIO (docs ‘Arduino as ISP’, docs ‘bootloader burning’). gian-laager January 28, 2021, 1:42pm 3 I’ve just been burning the Bootloader but it’s still not working, I already installed the WCH driver and I’m 100% shure that it’s not a 168 because it doesn’t work in the Arduino IDE. gian-laager January 28, 2021, 1:48pm 4 Well it’s not realy a good solution but you can upload the binary after compiling it in PlatformIO with this command in the Terminal:If you try this for your program replace the paths in <> with the ones on your machine.I got this by copying the command from the Arduino IDE with verbose upload. maxgerhardt January 28, 2021, 1:56pm 5 Weird, PlatformIO will do the same when you just use board = nanoatmega328new. You can see that in the “Verbose Upload”.

avrdude -v -p atmega328p -C C:\Users\Max.platformio\packages\tool-avrdude\avrdude.conf -c arduino -b 115200 -D -U flash:w:.pio\build\nanoatmega328new\firmware.hex:i

Same programmer (-c arduino) and same baud rate -b 115200). Does that not work in PlatformIO now, too? gian-laager January 28, 2021, 1:58pm 6 I’ve burned it with a Arduino uno, I followed the instructions on this website. maxgerhardt January 28, 2021, 1:59pm 7 No I meant now that the bootloader is on there and you can flash with the Arduino IDE, then PlatformIO should be able to upload normally too now via the serial bootloader, no? gian-laager January 28, 2021, 2:03pm 8 This is the command that gets executed in PlatformIO:(the baudrate is difrent because I changed it in the platform.ini) maxgerhardt January 28, 2021, 2:05pm 9 Does the basic platformio.ini withnot work while the same settings work in Arduino IDE? I then get the commandline

avrdude -v -p atmega328p -C C:\Users\Max.platformio\packages\tool-avrdude\avrdude.conf -c arduino -b 115200 -D -U flash:w:.pio\build\nanoatmega328new\firmware.hex:i

for that, which looks the same as what you’ve posted. gian-laager January 28, 2021, 2:11pm 10 I just tried uploading it again and magicly it worked. Maybe it was the bootloader, but i’d guess that some thing with the USB port on my Arduino meight be broken.1 Like alatas March 20, 2022, 9:29pm 11 upload_speed = 115200 solved my problem. thanks!1 Like petedrinnan August 7, 2025, 11:02pm 12 Same thing for me. I am running on Debian and Arduino IDE worked, but not platformIO wirthout specifying the upload speed.[env:nanoatmega328] platform = atmelavr board = nanoatmega328 framework = arduino upload_protocol = arduino upload_speed = 115200 upload_port = /dev/ttyUSB0

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