Describe the problem When I have two Arduino Nano ESP32's attached to my Mac, I am unable to upload via arduino-cli upload. The dfu-util cannot figure out which device is which without a --serial ...

[youtube= A few weeks ago, we saw codebender, an online replacement for the Arduino IDE that allowed you to upload a sketch to your board from a web browser. Over on the codebender blog [Vasilis] a… ...