Questions tagged [bootloader]

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 default bootloader.

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96 views

Arduino IDE can't program my Arduino Pro Micro

I have a lot of Arduino Pro Micros that I can't program through the Arduino IDE. I'm on Windows. I'm using the SparkFun Pro Micro board information downloaded from SparkFun's website. I've tried ...
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89 views

Software reset on Micronucleus possible?

I'm wondering if anyone knows if it's possible to do a software reset using the watchdog timer on a microcontroller using the Micronucleus bootloader. When I try it, it doesn't fully reset, as in ...
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444 views

Adafruit Feather M0 Basic update bootloader

I bought a Feather M0 Basic from a reseller Lawicel however I'm missing the UF2 boot feature. When I press the reset button two times I just get a serial and have to program circuitpython using Bossa....
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1answer
129 views

Setting Fuse Bits From Arduino IDE?

I've come to understand fuse bits in the last few weeks. I'm working on a bitbanging project on an Arduino Pro Micro, and the signals I'm working with are around 30uS each. For this reason, I think I'...
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1answer
37 views

Problem with Arduuino to breadboard Mega8

I am trying to make an arduino using mega8 mcu. After so much struggling with sync/response/signature problems and reading the previous questions, finally managed to do it (almost). However I still ...
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1answer
369 views

Arduino Pro Micro bricked?

I have a Pro Micro board at which tried to upload a sketch with sparkfun's Pro Micro 3.3v processor selected. After the upload completed successfully the board did not run again and is not even ...
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1answer
345 views

Atmel atmega32u4 not recognized when connected by usb after attempting to flash new bootloader

I am making a mechanical keyboard using Atmel's pro micro as the controller. I decided I would try to replace it's bootloader, as the one it ships with doesn't seem compatible with QMK's RESET ...
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1answer
764 views

Avrdude verification error

I use an Arduino UNO with IDE 1.8.5 and for the last few days it doesn't let me upload any code. When I try, it pops up with the following error: avrdude: verification error, first mismatch at byte ...
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2answers
211 views

Fio Keyboard program out of control, how to reset?

My question involves a Sparkfun Fio v3, similar to the Arduino Fio. I had a student who was testing his understanding of the Keyboard library. He uploaded a sketch that continuously sends output, ...
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0answers
73 views

Set up mesh network with RF Transceivers

I would like to set up a mesh network of Arduinos with the following features/capabilities: No master node Arduinos capable of bootloading other Arduinos through RFs Capable of communicating over TCP/...
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1answer
67 views

Problem in bootloading 328p using Arduino as ISP. Please help me in figuring out the problem.I have uploaded the verbose below

Arduino: 1.8.3 (Windows 10), Board: "Arduino/Genuino Uno" C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -...
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410 views

failure to burn bootloader in ATMEGA328P on breadboard

As a novice to ATMEGA I try to use the arduino UNO (original) to burn a bootloader in a new ATMEGA328P on a breadboard. It is clear to me that SPI is used for this task and all connections have been ...
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2answers
809 views

Using Due (SAM3X8E) native USB port for programming?

I would like to make my own version of the Arduino Due. What I can't find the answer to is; Can I program a blank SAM3X8E using the native USB port from within the Arduino IDE, or do I first need to ...
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1answer
2k views

arduino leonardo avrdude: butterfly_recv(): programmer is not responding

I am having issues uploading new code to an Arduino Leonardo board. This happens after uploading a previous buggy code (e.g. array out of range indexing error). Once I fixed the buggy code, I can ...
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0answers
261 views

Is my Arduino Micro bricked?

A few weeks ago I built my own Arduino Micro. Everything worked fine and it connects every time. I have built a second one, with the exact same processor schematic as the first one. It turns on, and I ...
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0answers
83 views

Bootloader fails when two Arduinos are connected over serial port

I’d like to connect two Arduinos over serial port so that they can communicate with each other. Initially, I put all necessary code onto one device and now connected another via serial port. As soon ...
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0answers
65 views

Bootloader atmel328P-PU Arduino

I have been trying to bootload a fresh ATmel328P-PU micro-controller with Arduino but it keeps on failing, giving this error: avrdude: Device signature = 0xff00ff avrdude: Expected signature for ...
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1answer
414 views

Leonardo clone being recognized by Windows as a broken Linino One - wtf?

I'm running a Velleman VMA103, which is advertised as a clone of the Leonardo. Both use the 32u4 chip, and the pinout is exactly the same. However, when I plug it in, the drivers do something weird. ...
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1answer
642 views

Arduino Uno R3 stuck in DFU mode/Port not recognized

I have an Arduino Uno R3 that is simultaneously stuck in DFU mode and won't be recognized as a port in the Arduino IDE on my Macbook Pro (El Capitan). Upon receiving power, the Arduino is ...
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1answer
1k views

Flash a hex file to an MCU/Arduino over the air?

I have a processor AT328 , Arduino bootloaded, and a Bluetooth on the serial lines Tx,Rx . I would like to program the chip over Bluetooth, not using a computer or IDE, but mobile phone with my own ...
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2answers
268 views

The BOOTRST fuse was disabled, but bootloader code is still running after chip reset

I am experimenting with an ATmega328P bootloader, and I created an Intel HEX (.hex) file with a program with an infinite loop in the beginning and with Optiboot code at the end of the hex file. (Code ...
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2answers
1k views

How Bootload an Lilypad Arduino USB using Arduino UNO

I recently bought two lilypads USB, one works perfectly (it's recognized in my computer, but the other one it's never recognized, I even try in different computers and the same scenario with both ...
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0answers
609 views

Unable to reset arduino with RESET pin

I am using a custom built arduino UNO for some personal projects. I am using a custom optiboot bootloader given by Nick in this post. This was done to prevent the three LED flashes on digital pin 13. ...
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1answer
57 views

How to not wait for USB to become active?

EDIT: My original question was a bit "off" since the Arduino Nano I was using appeared to be faulty. This edited question is based on my other Arduino Nano which is working. When I plug my Arduino ...
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1answer
413 views

Arduino IDE stopped uploading sketches to BLEduino board

I know similar questions to this have been asked before, but I have a "resp=0x10" which I haven't found elsewhere, so maybe it's different, the board is also not an Arduino Uno although it's should be ...
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1answer
722 views

Arduino Mega 2560 bootloader delay

I need to make my program run immediately on a reset or power up. However, the bootloader delays program startup by around 2.5 seconds. How can I get over this? Is there a way to turn off the ...
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3answers
77 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 ...
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2answers
889 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 ...
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1answer
2k 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 ...
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0answers
28 views

Weirdest behaviour with arduino and bootloaders for GPS [duplicate]

I have an EM408 GPS and an Arduino Duemilanove with an ATMega328. I have the following code to talk to the GPS and get raw data: #include <SoftwareSerial.h> SoftwareSerial GPS = SoftwareSerial(...
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2answers
140 views

Burn bootloader to Arduino Uno using ARM-USB-OCD

I have ARM-USB-OCD created by OLIMEX. I am interested in can I use this to burn a bootloader to Arduino Uno. As I know Atmega 328P can be programmed using JTAG protocol which has also ARM-USB-ODC, so ...
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1answer
121 views

Bootloader crashing continuously [closed]

My Arduino Uno was working nicely. And then something like avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x00 started to appear. So ...
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1answer
54 views

Replace Arduino bootloader [duplicate]

My Arduino board is malfunctioning in its bootloading and I thought weather I can overwrite the previous bootloader on the atmega. I mean to ask than can I simply reinstall bootloader on a chip that ...
-1
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1answer
157 views

Standalone 328P Arduino

I am creating a standalone Arduino using Atmega328P. The circuit is below. However, I'm seeing avrdude: Device signature = 0x000000 error whenever I try to burn the Arduino Uno bootloader. I'm ...
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1answer
281 views

Burning a bootloader onto my Arduino MEGA 2560 without another arduino board, or isp board

My youtube video explains it. It's starting to get on my nerves.
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1answer
3k views

How to bootload a atmega328-pu using arduino uno?

I have some Atmega328-Pu micro-controllers without boot-loader program. Now I need to burn boot-loader to them all. I have two arduino uno boards having Atmega328 P-Pu micro-controllers on board. I ...
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1answer
383 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 ...
-1
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1answer
767 views

How does RXD/TXD request signal look betwen 16u2 and 328p on oscilloscope?

I have a broken Arduino Uno. The man tells that he connected power supply and USB at the same time. I got the new 16u2 (empty) chip. then asked my friend to re-solder it. He was using an air ...
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1answer
80 views

Uploading bootloader to ATMEGA328 P

I have a duemilanove which originally had a 168. I have some ATMEGA328 P chips and I've put one into the duemilanove. I am using a Uno as a programmer for the duemilanove. I am running Arduino 1.8....
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1answer
359 views

How to use AtMega328P-PN [closed]

I am making an AC (the summer kind) control circuit with an AtMega328P chip. I bought the AtMega328P-PN instead of the P-PU. I followed the instructions on how to burn the bootloader, but nothing ...
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1answer
103 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 ...
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2answers
47 views

How i can have one code for multi sensors [closed]

am doing multi sensor project concerning PIR,vibration,tilt angle,temp&humidity,gas sensors with LCD in Arduiono mega ...i have each sensor code,need help on programming in one program
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2answers
5k 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 ...