i have a arduino r3. but in the board manager it only shows Uno R4.
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Hi @susguy446. The differences in the R1, R2, and R3 versions of the Arduino Uno were not significant enough to require special board definitions. So the developers didn't make individual board options for each of those revisions. This means the "Arduino Uno" board selection will work perfectly with the Uno R3.
Select Tools > Board > Arduino AVR Boards > Arduino Uno from the Arduino IDE menus and you will be all set for compiling and uploading to your Uno R3 board.
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when i try to upload it i get this error message
Sketch uses 924 bytes (2%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x70
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x70
Failed uploading: uploading error: exit status 1
I'm going to ask you to post the full verbose output from an upload attempt.
This procedure is not intended to solve the problem. The purpose is to gather more information.
Please do this:
- Select File > Preferences... (or Arduino IDE > Settings... for macOS users) from the Arduino IDE menus.
The "Preferences" dialog will open. - Uncheck the box next to Show verbose output during:
☑compilation in the "Preferences" dialog. - Check the box next to Show verbose output during: ☐ upload.
- Click the "OK" button.
- Attempt an upload, as you did before.
- Wait for the upload to fail.
- You will see a "Upload error: ..." notification at the bottom right corner of the Arduino IDE window. Click the "COPY ERROR MESSAGES" button on that notification.
- Open a forum reply here by clicking the "Reply" button.
- Click the
<CODE/>icon on the post composer toolbar.
This will add the forum's code block markup (```) to your reply to make sure the error messages are correctly formatted.
- Press Ctrl+V (Command+V for macOS users).
This will paste the error output from the upload into the code block. - Move the cursor outside of the code tags before you add any additional text to your reply.
- Click the "Reply" button to post the output.
Sketch uses 924 bytes (2%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
"C:\Users\admin\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude" "-CC:\Users\admin\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf" -v -V -patmega328p -carduino "-PCOM3" -b115200 -D "-Uflash:w:C:\Users\admin\AppData\Local\Temp\arduino\sketches\F668933B99FD048011196D455CE8DFC4/sketch_dec14a.ino.hex:i"
avrdude: Version 6.3-20190619
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\admin\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"
Using Port : COM3
Using Programmer : arduino
Overriding Baud Rate : 115200
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x50
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x50
avrdude done. Thank you.
Failed uploading: uploading error: exit status 1
Please try this experiment and then report back with the results:
This procedure is not intended to solve the problem. The purpose is to gather more information.
- Connect the Arduino board to your computer with a USB cable.
- Press and release the button on the Arduino board that is marked "RESET".
Now please reply here on the forum thread with the answer to the following question:
- Did you see the "L" LED blink multiple times quickly immediately after you released the "RESET" button?
after i pressed the reset button the "L" led turned of.
The LED not blinking multiple times tells us that one of the following two things is happening:
- The microcontroller on the board is not running.
- The bootloader (a program stored in a special area of memory in the microcontroller that handles sketch uploads) was somehow erased or corrupted.
It is possible for a short or external circuitry connected to the Arduino board to prevent the primary microcontroller from running.
Make sure the board is not sitting on anything conductive that could short the contacts on the bottom of the board. Make sure there isn't any conductive debris (e.g., strands of wire or component leads) on the board or on the surface the board is sitting on.
If you have a shield or any external circuitry or components connected to your Arduino board, try this experiment:
- Disconnect the USB cable of the Arduino board from your computer.
- Disconnect any shields, modules, external circuitry, etc. from your board.
- Connect the Arduino board to your computer with a USB cable.
Now try uploading a sketch to the board again. Does the upload succeed?
This experiment will determine whether the upload error was caused by a problem in the external circuitry. If so, you can then focus your attention on identifying the specific problem with the circuit and resolving it.
its standing on a plasic tablecloth. and there are no external things connected.
There is a program named a "bootloader" that is stored in a special area of the memory in the primary microcontroller of your Arduino board. This program receives the data sent by the computer when you upload a sketch to the board.
The symptoms you describe indicate that the bootloader is not running when it should be activated. This could have either of the following causes:
- The memory in the microcontroller where the bootloader was stored has somehow been erased or corrupted.
- There is physical damage to the microcontroller or its support circuitry.
If the cause is a missing bootloader, the board might be recoverable by a "Burn Bootloader" operation.
You will need an "ISP programmer" in order to perform a "Burn Bootloader" operation. An ISP programmer is a piece of hardware that allows your computer to write directly to the flash memory of the primary microcontroller on the Arduino board.
If you don't have an ISP programmer, you can use a spare Arduino board as a DIY programmer (known as an "Arduino as ISP"). I'll provide instructions you can follow to do that:
Burning Bootloader with "Arduino as ISP" Programmer
A. Prepare "Arduino as ISP" programmer
Although the "Arduino as ISP" only works for programming targets of the AVR architecture, you can use some boards of other architectures (e.g., "AVR", "SAMD", "megaAVR") as an "Arduino as ISP" programmer.
I will refer to the board which will used as an "Arduino as ISP" as the "programmer board" from here on. The board you are burning the bootloader to will be referred to as the "target board".
- Disconnect the USB cable of the Arduino boards from your computer.
- Make the following connections between the pins on the "programmer board" and the "target board".
Programmer Target CIPO (AKA "MISO") CIPO VCC 5V (VCC on 3.3 V boards) SCK SCK COPI (AKA "MOSI") COPI 10 RESET GND GND ⓘ The documentation for the boards you are using will identify the location of these pins. If you are using an official Arduino board, check the pinout diagram on the documentation page for the board. - Connect the "programmer board" to your computer with a USB cable.
- Select File > Examples > 11.ArduinoISP > Arduino ISP from the Arduino IDE menus.
- Select your "programmer board" from Arduino IDE's Tools > Board menu.
- Select the port of your "programmer board" from Arduino IDE's Tools > Port menu.
- Select Sketch > Upload from the Arduino IDE menus.
- Wait for the upload to finish.
You are now ready to burn the bootloader using your "Arduino as ISP" programmer.
B. Burn Bootloader
Instructions for burning the bootloader:
ⓘ It is not possible to do this via "Arduino Web Editor". You will need to use Arduino IDE or Arduino CLI.
- Select the "target board" from the Tools > Board menu, and any other custom Tools menus (e.g., Tools > Processor).
- Select the appropriate programmer from the Tools > Programmer menu in Arduino IDE.
This is dependent on which board you are using as the "programmer board": - Select Tools > Burn Bootloader from the Arduino IDE menus.
- Wait for the process to finish successfully.
- Disconnect the USB cable of the "programmer board" from your computer.
- Disconnect the "programmer board" from the "target board".
i dont have another board. so do i need to buy one?
The alternative would be to use a dedicated AVR ISP programmer such as a USBasp or USBtinyISP. These programmers are available from the same sort of websites where you would buy Arduino boards.
A dedicated programmer is a useful tool to have if you are planning on frequently doing things that require a programmer, such as working with bare microcontrollers or installing custom bootloaders on Arduino boards.
But if you aren't planning on doing these things often then buying a spare board and using it as an "Arduino as ISP" programmer is probably the best option because you can always use the new board as an Arduino board when you aren't using it as an "Arduino as ISP" programmer. Even if you are able to restore your current Uno, having a spare board on hand is always a good thing. If you aren't able to restore your current Uno, then the new board will serve as the replacement.
Yes, those Chinese Nano derivative boards can be used as "Arduino as ISP" programmers.
Note that the header pins are not pre-soldered on these boards. You will need to solder them yourself.
ok. thank you 
You are welcome. I'm glad if I was able to be of assistance.
Regards,
Per
do i have to connect both boards to power or only the programmer?
Only the programmer. The "Arduino as ISP" provides power to the target board.
what contact is CIPO and COPI?
because my board look like this
D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 GND RST RXO TX1
USB
D13 3V3 REF AO AI A2 A3 A4 A5 A6 A7 5V RST GND VIN
You can identify the pins by looking at the "Full Pinout" that is available for download from the Nano board's documentation page: