Finance and more. Rebooting your Wi-Fi router -- and potentially your modem too -- can be as simple as unplugging it, waiting about 30 seconds and plugging it back in. If that doesn't work ...

In the same way that upgrading to one of the best Wi-Fi routers does, purchasing your own cable modem means that you will no longer have to pay equipment rental fees to your internet service provider.

A Raspberry Pi Pico, a MAX3238 based RS-232 adapter, a null modem adapter and a DB9 gender changer. Of course, a combination null modem – gender changer would have made things even simpler.