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 ...
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1answer
22 views
Why are there two sets of tools and bootloaders in the Arduino IDE?
After digging around on a separate problem, I found that avrdude, avr-gcc and some more tools can be found in two different locations:
(1): C:\Program Files\Arduino\hardware
(2): C:\Users\<user&...
0
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0answers
31 views
How do I bootload an Atmega328 to use internal clock using two boards?
I know that I can bootload an Atmega328 chip using another arduino by using that arduino as an ISP. I also know that an Atmega chip that is configured to use an external clock already has a difficulty ...
1
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1answer
30 views
Standalone ATMEGA328: Verification mismatch on random byte on -subsequent- uploads only
I have an Arduino Pro Mini as an ISP programmer with the ArduinoISP sketch running on it (19200 baud), and an addition in boards.txt that has a 'Standalone ATMEGA328 8MHz Internal' entry that ...
0
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1answer
24 views
What bootloader does the Arduino Micro come with?
I've been looking to modify the Arduino Micro bootloader (specifically changing the VendorID and ProductID) of the Arduino. What bootloader comes pre-installed on the Arduino Micro? and how would I go ...
1
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0answers
31 views
Can't burn bootloader, Says Invalid device signature
I am trying to burn bootloader on an Atmega 328P-PUon breadboard with minimal circuit using Arduino UNO, following up this Arduino Tutorial : https://www.arduino.cc/en/Tutorial/ArduinoToBreadboard (...
0
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1answer
44 views
How does avrdude burn a bootloader much quicker than the Arduino IDE?
To burn a bootloader to the Arduino Micro (ATMega32u4), I'm using an Arduino Uno with the ArduinoISP program uploaded to it.
1st case: Arduino IDE
Very straightforward, using the ArduinoISP sketch ...
-3
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2answers
25 views
How i can have one code for multi sensors
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
-1
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1answer
27 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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3answers
45 views
Is ATmega 328 on Arduino UNO already bootloaded?
I've seen many tutorials on programming a ATmega 328 via Arduino. If i'm right, the atmega need to be bootloaded. I thought to remove the atmega present on the arduino board. But to bootloading atmega ...
0
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0answers
34 views
Trying to install bootloader on Osoyoo Pro Micro Atmega32u4
So I've got a little project that needs an atmega32u4. Because I'm a cheap I bought a chinese arduino, I guess pro micro, clone. Specifically, this osoyoo.
Okay so first of all, plugged into my mac ...
3
votes
1answer
39 views
Do we really need to upload Arduino bootloader for new Atmega IC
I am using Atmega328p in my circuit. I will be programming this IC using Arduino. But because this is a PCB, so I will programming using USBasp programmer. So before uploading code as upload using ...
1
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2answers
48 views
Is it possible to burn a bootloader to a ATTiny85 with USB TTL and avrdude?
I have:
An Digispark clone (with no Arduino bootloader)
A USB -> TTL serial device
A development breadboard
Avrdudess (or dude does not matter I guess)
And I want to burn the mononucleus bootloader ...
1
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0answers
39 views
How can I use an APM 2.6 as a “normal” Arduino Mega?
I have an APM 2.6 Autopilot. I know inside there is an Atmega 2560 and some sensors. When I connect it to my computer I can not program it with normal Arduino software, like the Blink Example.
I dont ...
0
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2answers
80 views
Problem burning bootloader on ATmega328P using internal clock
I'm trying to burn the arduino bootloader onto my ATmega328P so it uses the internal clock. I followed the tutorial in this page but I'm getting this error.
avrdude: Version 6.3, compiled on Dec 16 ...
0
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2answers
30 views
Burning the Arduino bootloader without an extra Arduino board
Is there any way to burn the Arduino bootloader on a standalone Atmega328 (internal clock 8MHz) from the Arduino official website without using an extra Arduino board to burn the bootloader?
I mean, ...
0
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1answer
43 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 ...
0
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0answers
35 views
avrdude: stk500v2_ReceiveMessage(): timeout - RX LEDs not blinking
I can't upload any program to my Arduino using the Arduino IDE and a USB cable.
When I try to, it says
avrdude: stk500v2_ReceiveMessage(): timeout
I've search all the web and look at questions ...
1
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0answers
26 views
Upload custom trinket firmware
I'd like to disable the trinket 10-second bootloader when powered up, so it will just begin running the program. I would still like to be able to press the reset button to re-program it.
I found an ...
1
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0answers
27 views
How do I fix the serial loader on my Pro Mini?
I have an Arduino Pro Mini, 3v3, 8Mhz. I have in the past successfully programmed it over the serial line. I have two others, I can program them over the serial line. I can program the first one using ...
0
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0answers
94 views
Arduino serial working, but not able to upload new program
Yesterday I was able to do some prototyping on my Arduino (Mega 2560). Part of the code involves communicating the with computer across the usb serial line and sending and receiving messages from the ...
0
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1answer
118 views
Why do I get avrdude: stk500v2_ReceiveMessage(): timeout error when uploading to Arduino Mega?
I have an Arduino Mega clone and I haven't used it for a while. I remember it not working so when I plugged it in and tried uploading the code to it and sure enough it didn't work. So I plugged in an ...
0
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1answer
42 views
why leonardo bootloader is bigger than UNO?
Apparently leonardo and UNO are very similar boards.
However, despite that both have the same flash memory size, Leonardo bootloader is considerably bigger than UNO bootloader (4KB vs 0.5KB).
what ...
0
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2answers
46 views
BOOTRST fuse was disabled, but bootloader code is still running after chip reset
I am experimenting with ATMEGA328P bootloader and I created HEX file with program with infinite loop on the begining and with optiboot code at end of hex file. (code loaded into chip is here: http://...
0
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2answers
60 views
Using Arduino libraries for adding more functionalities to a bootloader
I have a short question to ask before putting time for research.
I have an Arduino Leonardo with the LUFA mass storage bootloader flashed. Now what I need to do is to add more functionalities to the ...
0
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0answers
28 views
I uploaded an arduino code without burning the bootloader using USBasp ,now the USBasp is not able to communicate with it(rc=-1).What can be done now?
I know i should have burned the boot loader to the atmega328p with 8mhz crystal but buy mistake i uploaded the code.Is the high voltage fuse set or something like that?
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2answers
42 views
Programming an ATmega328P by holding it on an Uno's
I was looking at this Uno clone, the Nanino and then happened to read this article on "Manhattan style" circuit design. Anyway, that got me thinking...
If I borrowed someone's Arduino Uno, could I ...
3
votes
1answer
62 views
How is the bootloader activated when device is running?
For the sake of specificity I am referencing my question to Arduino. It applies to all AVRs with hardware USB and a bootloader though.
The bootloader is capable of receiving new program data over the ...
3
votes
2answers
94 views
Arduino beginner question
I just got a new pro-micro Atmega32U4 board, and installed the current Arduino IDE (1.8) and cannot get it working.
There is no entry for a pro-micro, so I chose Leonardo as it uses the same chip.
...
0
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1answer
41 views
Problem with uploading LUFA MassStorage .hex file to Leonardo
I have been trying to make my Leonardo board to work as a USB device. So I started with compiling the open source LUFA USB library demo "MassStorage" for the Leonardo board settings. Since I'm using ...
1
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3answers
63 views
Do we need to burn bootloader in new Atmega328p before uploading the arduino code
I have an arduino code which is working fine. Now I am planning to make a PCB out of it. But I do not want to use the complete Arduino board. I just want to use the Atmega328p microcontroller. So my ...
1
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1answer
37 views
Writing new functions into progmem after main program is burned
I've been experimenting with writing very basic operating system-like programs on the Arduino, and so far I have been running user-defined programs on a small virtual machine I wrote. This has been ...
0
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1answer
160 views
ard-reset-arduino resetting Leonardo/Micro via USB works on OSX, fails on Ubuntu
I'm trying to program a Leonardo (actually a Micro ATmega32U4) via the command line using USB. Schematically, I'm doing ard-reset-arduino followed by a sleep 1 and an avrdude command.
This works ...
0
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0answers
45 views
Parallel programming Arduino Nano fails - Device signature 0x60afc1
I created a "parallel programmer" DB25 to communicate with my Arduino Nano from this guide:
https://www.arduino.cc/en/Hacking/ParallelProgrammer?from=Main.ParallelProgrammer
I have an old computer ...
0
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0answers
55 views
Need help on Bootloading Arduino Nano 3.0 with AVR STK500
I bought a Nano 3.0 and it seems I need to Burn Bootloader to itso I can upload my project by USB-serial. My only other device to do this is my old Atmel AVR STK500 kit with ATMega16 uC.
But every ...
3
votes
2answers
72 views
Bootloader on Atmega328p overwrites whenever it gets programmed
I built my first custom circuit board with an Atmel ATMega328p-AU the tqfp-32 form factor. I connected xtal1 and xtal2 to an external 16mhz crystal to 22pf caps tied to ground. It seems to work great, ...
1
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1answer
43 views
Can I avoid having a bootloader if I use ISP to flash to an arduino? [duplicate]
My Trinket Pro waits about 10 seconds upon booting before starting the program that I have loaded on it.
Can I avoid this delay and the bootloader taking up space if I flash my program directly to ...
1
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1answer
110 views
Problems building an Arduino Micro with through-hole components
So I'm trying to build an Arduino Micro using a bread-board and through-hole components. I'm leaving out the voltage regulator and voltage selector (see schematic at the bottom for reference). I'm ...
0
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2answers
140 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 ...
1
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1answer
38 views
Made a Adafruit Flora unusable
I was playing around with an Adafruit Flora and a strip of NeoPixel LEDs. After uploading the sketch to the Flora (via Arduino IDE), the LED strip lights for about 1 second and then dims to a dull ...
0
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1answer
91 views
Problems burning bootloader on custom ATMEGA2560 board for High-powered model rocketry
I've designed a custom board meant for high-powered model rocket telemetry & duel-deployment. (More info upon request)
To do this, I've soldered a ATMEGA2560 (yes, overkill, but I needed ...
1
vote
1answer
85 views
How do I know if bootloader flash was successful?
I just bought a raw Atmega328p microcontroller. I am attempting to flash it with the Arduino bootloader.
The process seemed relatively straightforward as I had just followed the posted tutorial (...
0
votes
0answers
136 views
SOLVED - Different behaviour during bootloader burning
I managed to solve this problem (in my case), but feel free to comment or to provide different answers. I also included solution that works for me at the end of this post.
I have ATMega328p hooked up ...
0
votes
1answer
36 views
Identifying Bootloader ttyACM# device
I'm using a modified version of Arduino Zero Bootloader. I am trying to write software to automatically detect which USB device the bootloader is currently running on in order to execute bossac.
I ...
0
votes
1answer
114 views
Yikes! Invalid device signature. Fail to burn bootloader and read fuses
I know this problem is kinda common but I had to post it anyway.
Before anything, I would like to inform you guys that I changed the fuse of my Arduino Pro 3v3 @ 8MHz to allow 1.8 V brownout and also ...
0
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1answer
207 views
Burn arduino bootloader using ubuntu 16
I get the following error when I try to burn the arduino bootloader on an atmega328 mcu:
avrdude: verification error, first mismatch at byte 0x0000
0xfd != 0x05
I am using an Arduino as ISP ...
0
votes
2answers
79 views
Atmega8 with Arduino bootloader - wrong serial characters
I recently flashed bootloader of Arduino to Atmega8. Unfortunately I stumbled on a problem I can't solved.
I am testing SerialEvent example on Atmega8. I modified it but started debugging it on my ...
1
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1answer
48 views
Burn bootloader on custom ATmega 2560 board
I have developed and produced a custom board with a ATmega 2560 on it and a FT232RL for USB communication. I want to burn an Arduino bootloader onto the board without using an external Arduino as ISP. ...
4
votes
2answers
91 views
Bootloader sequence
If I got the picture right(correct me if I'm wrong) the standard bootloader senses the serial comm, and if nothing is read it passes control to the core program, which roughly corresponds to
int ...
0
votes
1answer
316 views
Standalone Arduino with ATMEGA328P / Serial working, but serial programming not (only once after buning bootloader)
For my master thesis I've designed a board with an ATMEGA328P-AU as micro controller.
As I want to use some libraries and I like the simplicity, I want to use "Arduino" to program it.
Everything ...
1
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2answers
87 views
how can i fix the error ? stk500v2_getsync(): timeout communicating with programmer
I bought this Chinese Arduino Mega 2560 16AU.
This was the first time to deal with Arduino boards. When I try to upload a sketch I always get this error:
stk500v2_getsync(): timeout communicating ...
