![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://europe1.discourse-cdn.com/arduino/original/4X/e/d/2/ed2f80207dcda0256f998e23dc5e73aeee1cd46b.png)
Solved:Bootloader from Arudino IDE with AVRISPmkII fails - Installation & Troubleshooting - Arduino Forum
![Custom board based on ATm32u4 gives "sbdev_open(): did not find any USB" error - Avrdude, stk500, Bootloader issues - Arduino Forum Custom board based on ATm32u4 gives "sbdev_open(): did not find any USB" error - Avrdude, stk500, Bootloader issues - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/e/2/e/e2e4b3996bc44a0a9dd5694341a673d93e3d5add_2_612x500.png)
Custom board based on ATm32u4 gives "sbdev_open(): did not find any USB" error - Avrdude, stk500, Bootloader issues - Arduino Forum
![Use Arduino as an ISP programmer to program non-Arduino AVR microcontrollersHardware Fun | Hardware Fun Use Arduino as an ISP programmer to program non-Arduino AVR microcontrollersHardware Fun | Hardware Fun](http://hardwarefun.com/wp-content/uploads/sites/2/2013/10/atmega-16.png)
Use Arduino as an ISP programmer to program non-Arduino AVR microcontrollersHardware Fun | Hardware Fun
AVRISP mkII should use option avrispmkii.communication=serial · Issue #258 · arduino/ArduinoCore-avr · GitHub
![Burning bootloader on ATMEGA8 could not find any USB device · Issue #102 · MCUdude/MiniCore · GitHub Burning bootloader on ATMEGA8 could not find any USB device · Issue #102 · MCUdude/MiniCore · GitHub](https://user-images.githubusercontent.com/22119363/61587059-3a3ae500-ab37-11e9-8478-317545a46e19.png)