All Questions
Tagged with atmega32u4 arduino-ide
8 questions
2
votes
1
answer
2k
views
How does Arduino IDE reset a board before flashing? Why doesn't avrdude do it?
I have the beetle board, a Leonardo clone same as in this question.
Using the reset pin and quick hands on the keyboard, I am able to flash with avrdude and get also the board info with a command ...
- 123
1
vote
2
answers
340
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Is there a way to get about a 10ns Timer resolution from an AVR CPU?
I have an 8Mhz ATM32u4 that is able to read external pulse inputs at 125ns ticks using InputCapture3 (PC7) on its 16-bit timer. Is there a magical way (bitbanging?) to get around 10ns tick resolution ...
- 71
1
vote
1
answer
228
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Input Capture with Sleep Enabled on ATM32u4 board only works every second reading in SLEEP mode
In short: I have an Input Capture code and a Power-Saving code combined into one program. Both are adapted from Nick Gammon's examples that work fine independently. When I combined them into one ...
- 71
0
votes
1
answer
977
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USB upload to Pro Micro (32u4)
My project is based around the ATMEGA32u4 microcontroller.
I followed the Arduino Pro Micro schematic to design my own board layout and build a custom PCB, soldered on the components. Then I used ...
- 887
0
votes
2
answers
3k
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Burning the Bootloader on Adafruit Feather 32u4
So, the default bootloader in Arduino is oddly set to erase EEPROM with every reboot, rendering the EEPROM, well, useless.
I found where the fuses are set in the boards.txt file, but getting this ...
- 103
1
vote
1
answer
6k
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HM-10 send and receive data and checking received value
I am wondering what is wrong with my code below. I have 2 issues.
The first issue, I am checking if c equals "hi" and if it does then display said hi. I currently see the output of c when it hits ...
- 259
1
vote
0
answers
1k
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Can't reset Arduino Pro Micro
I'm trying to reset an Arduino Pro Micro with a new code and it is not allowing me to. I'm using an empty sketch to upload to the pro micro but I get different error messages every time. I think the ...
- 129
5
votes
1
answer
4k
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Basic C++ programming, how to pass constructor argument into class?
I'm having some programming problems.
So here's what's happening:
In my .ino file, I have a tft variable which holds the connection to a LCD. I want to make a class which can either automatically ...
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