How To Burn A Bootloader To Clone Arduino Nano From Mega Gamon
[Kevin] has been working on reverse engineering the protocol used by the Arduino IDE and porting it to the Arduino platform. Now that his BootDrive project is nearing completion, he’s ready to give every Arduino the ability to program another Arduino over an SD card.
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BootDrive isn’t terribly different from using an Arduino as an ISP, only now AVRdude runs on the Arduino itself and no computer is required to put new firmware into the target Arduino. [Kevin] attached a MicroSD breakout board to an Arduino-compatible clone. When the clone starts up, it searches the SD card for a file called ‘program.hex.’ This file is sent over to the target Arduino and the new firmware is installed.
An ISP (In-system programming) programmer is needed to burn bootloader. Check out this handy Arduino R3 pinout diagram and write up from Nick Gammon. Pinout - 28 images - arduino mega 2560 pinout diagram arduino nano pinout. These are actually Pro Micro clones but they seem to work quite well using the.
While it may not be extremely practical if you’ve only got a few Arduinos that never leave your workbench, we’re thinking this would be an invaluable tool if you need to update the software on a board already ‘in the field,’ serving as a weather station or homemade game camera. [Kevin] put up a demo of his BootDrive project; you can check that out after the break.
Now you need to find a working arduino board, doesn't matter if it is a nano or not, I have used my 'real' uno r3 and worked perfectly. If you don't already have one, try borrowing it from a friend.
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If you have any grab your female - male breadboard jumpers. These will make the process even faster and easier. BUT I didn't have any so, instead of waiting 2 weeks for them to arrive online as well, I had to take some extreme measures!
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First we need to locate and get familiar with the ICSP pins. On mine just one of them was marked with a number, top right as 1. Here is what they look like in the schematics. So right under 1 had to be 2 and next to one was 3 and so on..
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Now that you are ready lets begin - do the following steps in order;
STEP 1 - Upload ISP
-Connect the working arduino to your computer.
- Open the arduino software on the computer
- Go to Tools>Serial Port>COM (and make sure that the correct COM port is chosen - ask me if you don't what this means)
- Go to Tools>Board>Arduino Uno (in my case uno, this is the arduino that is already working not yet the other one)
- Go to File>Examples>Arduino ISP (a new sketch screen will open with the ISP code written in it)
- Verify then Upload (your board will start blinking for a bit, it means it is loading, wait until done uploading)
- Unplug the arduino. Now it has the ISP code in it, all we have left to do is connect them together and run a few commands again..
STEP 2 - Connect 2 arduinos together
- Now connect the two arduinos together, to do this without female-male jumper cables was time consuming, you have to be VERY CAREFUL and take your time bending the wires, other wise you may short your circuits. ask me first ! In the second picture you can see that first I put the ICSP pins through a piece of paper and then carefully wrapped around them the corresponding wires. Make sure they grab on very tightly, use a small flat head screw driver to bend them. Take your time, don't be rough.
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- Connect them this way;
pin 1 on clone to D12 on working arduino
pin 2 on clone to 5V on working arduino
pin 3 on clone to D13 on working arduino
pin 4 on clone to D11 on working arduino
pin 5 on clone to D10 on working arduino
pin 6 on clone to GND on working arduino
STEP 3 - Burn Bootloader
- Keeping all the wires intact and unmoved in step 2, connect the working arduino back to the computer with the USB
- Go to Tools>Serial Port>COM (and make sure again that the correct COM port is chosen - ask me if you don't what this means)
- Go to Tools>Board>Arduino Nano w/Atmega 328 (this time we choose the non working arduino, in my case nano atmega 328)
- Go to Tools>Programmer>Arduino as ISP
- Go to Tools>Burn Bootloader (this is it, after the LEDs stop flashing your board is ready to use !!!)
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Do all of the above steps in ORDER !!! no skipping steps
Always make sure that the correct COMM port and correct board are chosen before uploading a sketch to avoid errors..
if you want to learn more or get a second opinion you can check this post (it's amazing) or just search on google ' how to install a bootloader to arduino clone ' and you will see many articles on this very topic.
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How To Burn A Bootloader To Clone Arduino Nano From Mega Gamon 2
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Arduino Nano Old Bootloader
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How To Burn Bootloader Arduino Mega 2560 With Uno
akin,