![Can't upload code to ATmega2560 board with USB serial - Avrdude, stk500, Bootloader issues - Arduino Forum Can't upload code to ATmega2560 board with USB serial - Avrdude, stk500, Bootloader issues - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/1/4/3/1433d41413e066233c70d3690570a95d233a56a9_2_1024x576.png)
Can't upload code to ATmega2560 board with USB serial - Avrdude, stk500, Bootloader issues - Arduino Forum
![Avr Studio 4 Setup - v4.19.730 (r730) - Last bloat-less non .NET version : ATMEL Corporation : Free Download, Borrow, and Streaming : Internet Archive Avr Studio 4 Setup - v4.19.730 (r730) - Last bloat-less non .NET version : ATMEL Corporation : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/avrstudio4setup/121%20(Copy).png)
Avr Studio 4 Setup - v4.19.730 (r730) - Last bloat-less non .NET version : ATMEL Corporation : Free Download, Borrow, and Streaming : Internet Archive
![Archived: Building ArduPilot with Atmel Studio or Visual Studio & Visual Micro — Dev documentation Archived: Building ArduPilot with Atmel Studio or Visual Studio & Visual Micro — Dev documentation](https://ardupilot.org/dev/_images/Atmel-Studio-+-Visual-Micro.jpg)