All Questions
Tagged with bootloader programming
18 questions
0
votes
1
answer
230
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Questions about ATMega8A including burning my hex files
I wrote a small blink program for an ATMega8U-DIP I bought recently. The source is this,
#ifndef F_CPU
#define F_CPU 16000000
#endif
#include <avr/io.h>
#include <util/delay.h>
int main(...
- 121
1
vote
1
answer
182
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Programming barebones ATMega328 with external programmer and no bootloader
I have created a circuit with a barebones ATMega328.
I also have an external programmer (Sparkfun's Pocket AVR Programmer)...
Now I want to program a particular sketch... When uploading a sketch, do i ...
- 1,425
1
vote
1
answer
824
views
Uploading to an external Atmega328P with a clone UNO R3 with soldered chip
As a complete newbie, after much looking for the best bargain, I ended up buying one of these UNO R3 clones, without realizing it had the chip soldered on the board. It looks like this:
It works OK ...
- 121
2
votes
1
answer
518
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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
1
answer
4k
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Digispark ATtiny85 not recognized (bootloader problem)
I recently bought an ATtiny85 based development board. (picture below)
I managed to install it correctly following the official guides, without a problem.
Drivers are installed correctly, and I used ...
- 111
6
votes
2
answers
3k
views
Can we burn Arduino bootloader into any microcontroller chip?
I am new to this Arduino community
I noticed on youtube that while the prototype is complete people purchase new ATmega328p chips and flash bootloaders into them using in-system-programmers so that ...
- 195
0
votes
1
answer
142
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How to burn bootloader and upload sketches on custom arduino?
Ive turned a project I breadboarded with arduino and other modules into one pcb on EAGLE. The pcb includes the ATMEGA328p smt version that doesn't have the bootloader installed. My question is then ...
- 1
2
votes
0
answers
130
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ARDUINO PROGRAM
I have a project that consists in measuring the mass of an object with a strain gauge HX711.
so I found an interesting Arduino program and the editing that goes with it.
but I have a problem, I ...
0
votes
2
answers
1k
views
How to burn bootloader into arduino uno without using another arduino
I need to bootload my Uno board but I do not have another Arduino at my disposal so how do I bootload without another Arduino board
0
votes
1
answer
936
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Use ESP8266 GPIOs after Flash Startup
I'm a bit confused about the ESP8266 launching and GPIO behaviour.
When I'm programming the ESP8266 I have to set GPIO2 high and GPIO0 low.
But when I want to use the ESP8266 in my project I have to ...
- 25
2
votes
0
answers
297
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Installing Optiboot loader for pro mini 3.3V 8MHz
I have tried to install a better bootloader in some chinese Arduino pro mini boards. I have tried the OptiLoader application via an ArduinoAsISP. I failed in some way. The boards got unstable, I can ...
- 341
2
votes
2
answers
2k
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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, ...
- 123
1
vote
1
answer
872
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 ...
- 157
1
vote
2
answers
6k
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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.
...
- 176
2
votes
0
answers
574
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Arduino programming attiny13a
Hello I want to program an Attiny13a with Arduino code. I always have this error when I add repository "no file board.txt" in path.
How to successfully configure IDE to able burn on it?
I use :
Link ...