All Questions
Tagged with arduino-mega bootloader
30 questions
4
votes
2
answers
176
views
Turn ESP8266 into an Arduino IDE-like "sketch uploader" (over hardware serial)
I have an ESP8266 module which has downloaded a hex file for an Arduino Mega2560. This hex file (call it mega2560.hex) is sitting in the ESP's SPIFFS file system. What I want to do is basically ...
- 191
0
votes
2
answers
2k
views
Standalone ATMega328 - do I need to burn the bootloader?
I want to get an ATMega328 off of the Digi-Key, and use it like an Arduino (without requiring the whole Arduino board).
When it comes to programming, do I need to do anything special like burn the ...
- 111
2
votes
1
answer
515
views
Arduino Mega Clone CH340G Capacitor Values
I'm making my own Arduino Mega board with ATmega2560-16AU and CH340G. Jump to the end of the post to find the real question.
I have already ordered a PCB before and it didn't work when I soldered ...
- 41
1
vote
0
answers
322
views
Fail to burn bootloader into standalone atmega2560
I am making a project where I use standalone atmega2560. I used arduino mega schematic to put all necessary components so atmega2560 would be working. I tried to burn bootloader into it using arduino ...
- 11
0
votes
1
answer
513
views
How to unbrick an Arduino Mega+ESP8266 Wifi
I have a Jaycar XC4421 - Arduino Mega + Wifi which I think have somehow managed to screw up the boot loader.
I have an XC4627 USP-ISP Programmer (and the XC4613 adaptor) which I have previously used ...
- 393
1
vote
1
answer
4k
views
Error while burning bootloader
I am trying to burn bootloader on Arduino UNO using MEGA2560 as the programmer,
I followed the steps stated here but still get the error below:
avrdude: Version 6.3-20190619
Copyright (c) ...
- 15
2
votes
1
answer
762
views
what happens on Arduino power-on, and how long does it all take?
Here's what I think happens and how long it takes (FIXME means I don't know). I'd like to end up with solid max times for everything if possible.
Power-on, input caps to the 328P begin charging and ...
- 121
1
vote
1
answer
597
views
Can Only Upload Arduino Sketch Once to Custom Mega2560 Board
I created a custom Arduino based off the Mega2560 R3. It uses the ATMega16U2 uC as the USB interface between ATMega2560 uC and the PC.
The bootloader on the 2560 is uploaded by using an Arduino Micro ...
- 149
1
vote
2
answers
510
views
Is there some hardware that can be used to upload sketch source code via USB flash disk (Automatically By plugging it in)
Well am asking this basically to know if it is possible to create a bootable flash drive that automatically uploads any source code onto the arduino just like creating a bootable flash drive when ...
- 39
1
vote
0
answers
243
views
Problem burning bootloader to ATmega chip using nano/uno
I designed a custom PCB that has the chip, an oscillatorm, decoupling capacitors, and all other connections for the ATmega along with the rest of my circuit. I followed all steps in the tutorial for ...
- 11
0
votes
1
answer
837
views
How to create custom bootloader with accompanying program loader for ATMega2560
Just for some context, I have created a custom board based on the ATMega2560. I currently have the original Arduino Bootloader for the ATMega2560 and have no problems uploading code via the USB Port ...
- 3
0
votes
1
answer
452
views
Running Atmega1284P at 3.3 and 8Mhz
can i run Atmega1284P at 3.3V and 8Mhz speed.? can i burn Nick Gammon Arduino bootloaders into the chip.?
Thank You
- 269
1
vote
1
answer
6k
views
changing device signature in avrdude
I am trying to burn bootloaders to Atmega2560V and when I hit burn bootloaders it shows me this error
avrdude: Device signature = 0x1e9803
avrdude: Expected signature for ATmega2560 is 1E 98 01
I ...
- 269
0
votes
1
answer
751
views
Atmega2560V, trying to burn bootloaders of MegaCore
I am trying to burn MegaCore bootloaders to it, I have setup my custom PCB with Atmega2560V-8AU and 8Mhz Crystal + Load Caps all assembled on using PCBA process.
I am trying to burn MegaCore ...
- 269
2
votes
2
answers
2k
views
Error while boot loading Atmega 2560 using Arduino Mega 2560
I have developed custom board using Atmega 2560. I am doing boot loading process using the process of migrate from an Arduino board to a standalone microcontroller.
I have followed this steps...
1) ...
- 396