Refers to the code burned on the Arduino flash memory that runs every time the board is powered up. It starts the execution of user-loaded programs and allows uploading sketches from a PC through the USB connection. This tag should be used for questions about modifying, changing, uploading the ...
0
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1answer
25 views
Burning Arduino Leonardo Bootloader to ATmega32U4 with 8MHz internal clock [duplicate]
Burning question:
So, I'm trying to burn the Arduino Leo bootloader onto a ATmega32U4 that's on 3.3V and the internal 8MHz clock. Do I have to modify and rebuild the bootloader to set the fuses ...
0
votes
1answer
23 views
Burning Arduino Leonardo Bootloader to ATmega32U4 with 8MHz internal clock
Burning question:
So, I'm trying to burn the Arduino Leo bootloader onto a ATmega32U4 that's on 3.3V and the internal 8MHz clock. Do I have to modify and rebuild the bootloader to set the fuses ...
0
votes
0answers
14 views
Is serial modem routine written on the Arduino Leonardo bootloader?
I'm starting with Leonardo and I'm a bit confuse about the serial modem function. As you know on boot the Leonardo for the first 8 seconds wait for a program on the USB port and then it goes in serial ...
0
votes
1answer
16 views
What changed in the new Due?
I recently purchased a batch of Due boards and find that they are cosmetically different. After attaching the Atmel-ICE and reading the firmware from both processors, I find that the firmware is ...
1
vote
1answer
31 views
Atmega88 + arduino Bootloader + FTDI adapter
I burned the arduino bootloader within a atmega88, in order to program it directly from the serial port. But I can't download my code from the arduino IDE...
But I get the famous : 'avrdude ...
0
votes
3answers
18 views
Reversed Input Voltage Arduino Mega timeout communication with programmer error
On the barrel connector I accidentally reversed the input voltage to an Arduino Mega. The center post received ground while the outer connection received +12DVC, basically I have the Arduino -12VDC. I ...
0
votes
1answer
22 views
Will the Uno bootloader work in the Duemilanove?
I had an old duemilanove lying around (Which was not working because i accidentially busted the atmega) and I recently bought some atmegas pre-flashed with the UNO bootloader. So I tried to put one of ...
0
votes
0answers
28 views
Leonardo sketch and bootloader hex file combination
Can I combine Leonardo sketch hex file with the Leonardo bootloader hex file?
I would like to program blank Atmega32U4 with one shot.
0
votes
1answer
50 views
Arduino communication with ROS via UART
I am trying to program an Arduino Mega(Crius) from a Minnowboard Max A2 via an UART (Hardware Flow Control Off) interface.
I can successfully communicate with the ROS (robot Operating System) on the ...
0
votes
2answers
83 views
How to test Arduino board?
A little history: I have two Arduino Uno and I couldn't program them by IDE, I got these errors:
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in ...
0
votes
0answers
32 views
Arduino not responding while trying to flash over BLE
I'm working on wireless uploader for Arduino from iOS devices. I'm using HM-10 BLE module which seems to work ok. PIO 2 is used as DTR for resetting (see A [0x41] T [0x54] + [0x2B] P [0x50] I [0x49] O ...
0
votes
1answer
54 views
Why the bootloader burn on ATmega328 rather than Atmega16U2 in Arduino Uno
I have been researching about the reason why we have a second MCU in arduino UNO for a while now. finally i understood that its been use as USB to serial converter. the question that really bug me ...
0
votes
2answers
39 views
Arduino Mega2560 clone responding slowly
I am using an Arduino Mega2560. Using Arduino Mega as ISP to burn sketch, I had loaded the bootloader from Arduino IDE.
I uploaded the blink LED code to the Mega. But the LED is responding slowly. ...
0
votes
2answers
269 views
Can't burn arduino bootloader to atmega8a with usbasp
I want to burn the arduino bootloader with arduino IDE, but I cant get it done. And here is my circuit:
I have marked the way I connect the ISP port and the chip.
I choose Arduino NG/older as the ...
0
votes
1answer
47 views
Custom Bootloader on Atmega328p - PU - 28 pin DIP
I am experimenting with low-power wireless arduino modules. For that, I needed 3V powered arduino so that I can do away with voltage regulators which eat up a lot of battery juice.
I am using 28 pin ...
0
votes
1answer
76 views
Cannot bootload again after changing the board?
We are so tired and would like to get help with this. We are trying to bootload using the arduino Uno.
We have an atmega 328p smd , that we are trying to bootload. We have connected all the right ...
0
votes
0answers
15 views
Having trouble bootloading my Two-Up printer
I am following these instructions to set up my Two-Up 3D printer, and I have no problems all the way up until step 18. The board uses the arduino IDE to burn the bootloader, which is why I am posting ...
0
votes
2answers
268 views
Uploading over Bluetooth Low Energy - bootloader not responding
I'm working on sketches uploading over BLE. I had to write my own uploader (looking at avrdude sources with one eye) so i can change uploading behaviour as needed and it's working over USB just ...
0
votes
0answers
183 views
Will we be able to burn arduino zero pro's bootloader?
As arduino.org states, the bootloader is pre-burnt by Atmel at the factory. I'd like to know if it will be possible for us to buy "raw" ICs and burn them at home for our own boards, as we do with the ...
1
vote
2answers
125 views
Problem Bootloading AVR328P-PU
I executed the following steps in order to burn a bootloader into an AVR328P-PU chip I acquired on ebay.
I have set up AVR328P-PU on a breadboard as described here: ...
-2
votes
1answer
37 views
Reprogram Arduino Mega 2560 using Duemilanove?
Experiencing that Mega 2560 uploading problem. Tried updating the IDE, worked for a while but symptoms went back. Now i want to reprogram that chip.
I'm asking this question cuz hardware ain't free ...
0
votes
0answers
248 views
Using an Arduino uno to program a standalone ATmega2560
I have successfully programmed standalone ATmega328p using arduino uno by adding following lines in the boards.txt file:
atmega328bb.name=ATmega328 on a breadboard (8 MHz internal clock)
...
1
vote
1answer
112 views
Burning a UNO bootloader into a NANO
I bought some cheap Arduino Nanos from ebay, but the watchdog does not work in them.
So I removed their old bootloader and burnt a new Nano bootloader from the Arduino IDE. Same problem, the watchdog ...
1
vote
3answers
155 views
Can i use arduino code, without using arduino board but just using MCU included
I am developing a product, and to ease my job i am planning to use MCU inside the arduino with the library of Arduino.
Since all the registers are already defined inside the library, and all required ...
1
vote
3answers
750 views
How to remove Adafruit Pro Trinket bootloader flashing startup sequence
From what I understand, the Pro Trinket has "Optiboot" which allows it to detect which boot loader you are trying to use, one for USB and one for FTDI. When it's in this "bootloader state" the red LED ...
0
votes
2answers
92 views
How do I replace a burnt atmega328 with a new atmega328(bootloaded) in arduino?
I have an arduino UNO with atmega 328 whose microcontroller got burnt. I bought a new atmega328. I have another working arduino with atmega8. I followed the instructions in ...
0
votes
3answers
193 views
Can the Sparkfun AVR pocket programmer bootload/program a 3.3 V ATmega328p
The product in question - https://www.sparkfun.com/products/9825 - operating at 5 V (and can also supply it to the device being programmed).
I need to program the bootloader onto a 3.3 V ATmega328p ...
0
votes
1answer
817 views
avrdude: stk500v2_ReceiveMessage(): timeout with ADDAC VCC
I am getting the above error message uploading the ADDAC VCC, and the only thing that's changed I think is the patch is bigger.
Is there a fix for this or will I have to send it back? Hope my ...
0
votes
2answers
203 views
Using the ATMega328, from an Arduino UNO in a Standalone configuration, and bootloader - I am really lost
I am really despaired. I have spent a full day to understand this, and it seems that I still don't.
I have an Arduino UNO, with an ATMega328, for which I wrote a great piece of code.
Later, I have ...
0
votes
1answer
182 views
Flash “sketch” hex over ISP, without bootloader - possible?
I'm wondering if it's possible to flash the arduino sketch into a AVR, without using a bootloader - over ISP. I'd use the BSD programmer, which is basically parallel port with some resistors.
Let's ...
0
votes
3answers
500 views
Burn Arduino Bootloader - Atmega8L
I am making an RGB LED project right now using the Arduino UNO board.
At this point everything is working fine so I would like to transfer this onto a small microcontroller circuit to be put inside ...
0
votes
1answer
303 views
Unable to load sketch: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
I've stumbled upon what I've later found it's quite common error, but there seems not to be simple troubleshooting way and solution (people often try various things, sometimes they succeed, sometimes ...
0
votes
1answer
95 views
USART RX Interrupt on an ARDUINO PRO MINI containing factory bootloader
Is it possible to use RXC Interrupt vector with the factory programmed bootloader still existing in the arduino pro mini?
I've written a simple echo program using RXC interrupt vector, the program ...
-4
votes
1answer
586 views
Garbage value Serial Monitor
I am building my own arduino.Here is my code Below. I found code working for Digital Ios like blink example ; analog reading, Problem i am facing in Serial Monitor.Whenever i open Serial monitor i get ...
1
vote
1answer
252 views
ATmega32u4 bootloader
Hey all this would be my first encounter needing to burn the Arduino IDE bootloader onto a blank ATMega32u4 that I bought from Digikey.
What all do I need to buy in order to program the bootloader ...
1
vote
2answers
404 views
Homebrew Arduino using ATMEGA328P, ISP or ICSP?
I plan on creating a homebrew Arduino breakout board using the ATMEGA328P smd version. I'm geeting confused by the wealth of information out there as to whether I should be using ICSP or ISP to ...
4
votes
2answers
2k views
ATtiny85. How do I burn a bootloader? What is the process?
I want to use all six I/O pins of an ATtiny85, that means also using the reset pin as an I/O pin, however, I found out that if I disable the RESET pin, I can no longer program the ATtiny using an ISP ...
2
votes
1answer
65 views
Arduino mini requires uploading on every power up?
My Arduino mini is experiencing some really strange problem.
I'm using the BlinkWithoutDelay example sketch for testing:
const int ledPin = 13;
int ledState = LOW; // ledState used to ...
0
votes
1answer
40 views
Creating a product with arduino bootloader
If you have a prototype with arduino and you wish to create a real product can you do it or the fact that it contains the arduino bootloader prevents you?
BTW, i dont have a product ready. I am ...
0
votes
2answers
129 views
Finding arduino bootloader version?
I have problem with WDT reset. After reset the device goes on for a boot loop. from the following link https://code.google.com/p/arduino/issues/detail?id=181
It has been mentioned that there is ...
1
vote
1answer
53 views
Micro not detected, can't reset
I just picked up a new Arduino Micro for a project, but the first time I tried to upload to it, things went terribly wrong. The USB cable was loose, so the power light kept blinking on and off. When I ...
1
vote
2answers
124 views
Improvement security in a domotic project
I recently started with a domotic project, I began creating a lock opening with a RFID
currently I'm trying improving the code (I took from http://forum.arduino.cc/index.php?topic=256260)
but I have ...
0
votes
1answer
71 views
Arduino not responding [duplicate]
I have been using my arduino uno for many months and it worked very well even till today morning but an hour ago I tried to upload a sketch and arduino IDE showed my this "avrdude: stk500_getsysc(): ...
0
votes
1answer
144 views
Uploading bootloader on ATmega328P SMT package using Arduino Uno
I have been trying to upload bootloader on ATmega328P SMT package on a custom PCB using Arduino Uno as ISP, I was quite successful.
I have Googled a lot and have tried numerous ways, sometimes I was ...
2
votes
2answers
935 views
How do I write an Arduino program to an AVR chip without the Arduino bootloader?
Is it possible to write an Arduino program to an AVR chip that does not have teh Arduino bootloader installed? What is the process to do so?
1
vote
1answer
281 views
Is it advisable to reload Pro Mini with the bootloader originally designed for UNO to save 1.5 KB flash space?
In order to allow bigger user program size, is it possible and advisable to reload Pro Mini with the boot loader originally designed for UNO. This will save 1.5 KB flash space (UNO boot loader is ...
5
votes
1answer
192 views
Why bootloader sizes differs from 0.5 to 8 kilo bytes for different boards?
According to official web info bootloader sizes are 0.5, 2 and 8 kilo bytes for UNO, Pro mini and ATMega2560. I believe all three boot loaders do similar job of receiving serial link data and write to ...
1
vote
1answer
555 views
How to free up Flash space by removing the bootloader on UNO?
In order to fit maximum user program into the chip, how to free up Flash space (0.5 kilo bytes for UNO, 2 KB pro Mini, 8KB for ATMega2560) by removing the bootloader on Atmega328 (UNO, Pro Mini, or ...
3
votes
3answers
2k views
I bought USB > FT232RL, can I use it to program a bootloader onto an Arduino?
I bought this thing off of eBay:
eBay Link
Will it allow me to program an ATmega[xxx] (Arduino clone) with a bootloader?
--> If so, how would I go about it? What should I do, and what should I ...
1
vote
1answer
1k views
Problem loading sketch to Leonardo
Today I got Arduino Leonardo to replace my Uno. I've tried running one of sketches I use on the Uno, but with no luck. When I start the upload, RX LED on the Leonardo flashes few times, and after ...
