You can make them, but either of these should be trustworthy:
https://www.bintel.com.au/product/sh...EaAp2lEALw_wcB
https://www.siderealtrading.com.au/p...ect-usb-rj-5v/
I'm no help with Bluetooth, or tricky modern raspberry PI options like Carlton is describing. But then I'm from the generation that often goes 8 hrs without glancing at my phone
