[SOLVED] Leonardo doesn't show up anymore (COM or HID) - Arduino …
Feb 20, 2025 · Over Christmas I managed to follow this tutorial to create a HID joystick using the Leonardo. The Windows 11 machine I connected it to recognized it as a HID device, and I was able …
Leonardo is not recognised - Arduino Forum
Apr 20, 2025 · Good day guys,I having a problem on my arduino Leonardo my PC keeps saying last USB device is not recognize and the port was not showing and the arduino ON and RX light are …
Arduino Leonardo port not detected, no serial communication
Nov 16, 2025 · Hello all, I am a novice with Arduino, having been thinkering with it for about two weeks only. I have a (genuine) Arduino Leonardo board, wich i've been working on for a few days, and it …
Burning Bootloader using Leonardo - Arduino Forum
Feb 15, 2026 · The normal choice “Arduino as ISP” does not work with the Atmega32U4 (Leonardo). I confirm this. @quisl please make sure to select Tools > Programmer > Arduino as ISP …
Productizing an Arduino Leonardo project
Jul 18, 2025 · I have an ATMega32u4 on a custom PCB flashed as an arduino leonardo through the arduino IDE. I am planning on selling this product and would like to know how I can remove the …
Arduino leonardo + usb host shield - General Guidance - Arduino Forum
Apr 28, 2022 · I purchased arduino leonardo and usb host shield, soldered it as recommeded on many youtube videos to fix the no power issue. I ran blinker test on leonardo, it was successful, ran some …
Arduino Leonardo usb handbrake - Programming - Arduino Forum
Nov 22, 2020 · I am using an Arduino leonardo to make a usb handbrake with a 10k potentiometer whenever i upload the code to the leonardo it says that Joystick was not declared in this scope i am …
Reload Leonardo bootloader - IDE 1.x - Arduino Forum
May 19, 2022 · Replies Views Activity Arduino leonardo bootloader dead Uploading 20 555 November 22, 2024 Leonardo doesn't detected anymore Leonardo 4 108 October 3, 2025 Burning Bootloader …
Xloader + Leonardo - Uploading - Arduino Forum
Jun 18, 2024 · Hello dear, has anyone used the Xloader program to load programs to the Arduino Leonardo? I have used it for the Arduino Mega and UNO, but I don't see the option for other models.
Logitech Pedals+Shifter using One Arduino Leonardo
Jun 16, 2021 · Logitech_Pedals_Shifter_USB_Smoothed.ino (7.2 KB) Here is my code, please take note that the below values may need to be adjusted for you: // H-shifter mode analog axis thresholds …