How to connect an Arduino to a real serial port (RS232) For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit ...

So.. you connect your usb and the device will be recognized as an USB-Midi device. When your arduino it's on usb-Midi comunication mode , you can´t upload sketches to your arduino (you will need to ...

Unlike other ESP Development Boards, the ESP32-CAM has no USB connector to connect it to a computer. This might be confusing for beginners when they try to program this development board for the first ...