The USB port of Arduino Mega 2560 is not working (supplies power to the board but no device is detected in the device manager). Is there any other way to dump the
![I'm trying to power my arduino with this power bank but it turns off after 15 seconds. It's fully charged and it can charge my phone for longer than 15 seconds. Has I'm trying to power my arduino with this power bank but it turns off after 15 seconds. It's fully charged and it can charge my phone for longer than 15 seconds. Has](https://preview.redd.it/3iweoujsva971.jpg?auto=webp&s=aad5e7ac8b4e922c76c3e532fd75e14c6e2461a9)
I'm trying to power my arduino with this power bank but it turns off after 15 seconds. It's fully charged and it can charge my phone for longer than 15 seconds. Has
![Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904 - - Amazon.com Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904 - - Amazon.com](https://m.media-amazon.com/images/I/81FWwoGQdPL._AC_UF894,1000_QL80_.jpg)
Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904 - - Amazon.com
![COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center](https://support.arduino.cc/hc/article_attachments/360016539199/COM_port_changes_1.png)
COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center
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