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UNO R3 avrdude: usbdev_open(): did not find any USB device "usb" -SOLVED - Installation & Troubleshooting - Arduino Forum
GitHub - per1234/Arduino-AVRISPmkII-fix: An ugly workaround for AVRISP mkII not working with Arduino IDE 1.6.x
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Error message: avrdude: usbdev_open(): did not find any USB device "usb" - Installation & Troubleshooting - Arduino Forum
![Error message: avrdude: usbdev_open(): did not find any USB device "usb" - Installation & Troubleshooting - Arduino Forum Error message: avrdude: usbdev_open(): did not find any USB device "usb" - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/1/4/7/147702a1e045f2263b3f7d6ee088b1882ed8fa9e.jpeg)
Error message: avrdude: usbdev_open(): did not find any USB device "usb" - Installation & Troubleshooting - Arduino Forum
![Solved:Bootloader from Arudino IDE with AVRISPmkII fails - Installation & Troubleshooting - Arduino Forum Solved:Bootloader from Arudino IDE with AVRISPmkII fails - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/e/d/2/ed2f80207dcda0256f998e23dc5e73aeee1cd46b.png)