Questions tagged [atmega32u4]
atmega32u4 is low-power Atmel 8-bit AVR RISC-based microcontroller
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If I use clock_prescale_set in my sketch I will loose access to adafruit feather 32u4?
I want to run my 32u4 in 2MHz. According to gammon I will gain 4mA in runtime. To my understanding this changes all the buses speed like UART, USB?, I2C?** and SPI?*. Probably I will have problems to ...
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atmega32u4 connect PC
I made a custom PCB with C-type USB and atmega32u4 (arduino leonardo). But my PC doesn't recognize the atmega32u4.
Here are my schematic.
Why my PC doesn't recognize the pcb in schematic?
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How to detect, if Serial is really connected to listening PC program? (on atmega32u4)
How to detect, if Serial is really connected to listening PC program? (on atmega32u4)
I need to connect from PC to Arduino Micro Pro over USB Serial and disconnect again and not slow down the Arduino ...
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Arduino AVR Program with default ATMEGA32U4 bootloader instead
I’m working an Arduino program that uses the FastLED library and is all coded in the Arduino IDE (not my choice, just a result of this OOS library).
However, I don’t want to run this on an "Arduino" ...
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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 ...
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Unable to flash arduino pro micro from Terminal
I am trying to upload an hex file to my arduino pro micro using Avrdude . The thing is that I cannot upload any code using the Avrdude terminal commands , but when I use arduino IDE to upload any code ...
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Atmega32u4: Reduce power consumption while keeping USB active
I have a USB powered board, that should consume as little power when idle as possible, while keeping the USB connection alive.
The device only sends data to the host, doesn't receive any, so the ...
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Upload to board with no USB connection
I have a Spark Fun Pro Micro (ATmega32U4) without a USB connection (it was broken off at an earlier point) that I want to use to duplicate a prototype running on another Pro Micro.
How can I upload a ...
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Is it possible to remove the bootloader while flashing using the bootloader?
The question is meant as in, can I lock myself out of the Arduino using the bootloader, if I flash a hex file that doesn't contain the bootloader?
Or does the bootloader automatically add the flashed ...
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Disable USB support for mega32u4
I have a custom Leonardo board (mega32u4-based) that does not use at all the USB features.
When I build my sketch (vscode and platformio) I read:
Compiling .pio/build/leonardo/FrameworkArduino/CDC.cpp....
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Alerting the ATMega32u4 that it's plugged into a computer (via USB)
I need help in writing some code that will allow for the ATMega32u4 to be aware of when it's plugged into a USB port. I'm not really familiar with the ATMega32 or with it's function in Arduino, so I'm ...
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Drum game controller - Problem with Piezo inputs [closed]
I currently try to build some Drums for the game Clone Hero. The problem that I have is that I can't use both of my Piezo inputs that I have hooked up at the same time.
I have a Arduino Pro Micro and ...
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ATMega32u4 - Sending and receiving data through TX and RX
Hi everyone,
first time here on the forum, so, apologies if I'm doing anything incorrectly.
Long story short, I built a device that takes voltages in and transform them into midi data. I used an ...
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Input Capture Mode PPM signal
Greetings to all members of the Forum. I would like to express my deepest gratitude, with respect to the title of this post.
The last week I am trying to capture and decode a PPM Signal from an RC ...
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Arduino Pro micro Serial communication problem with Node MCU
I recently bought an ATmega32U4 based Arduino Pro micro. I am using the Keyboard library and interfacing with my PC via USB.
I am trying to create a serial communication between the Arduino Pro micro ...