AAWireless is regarded by many as the most reliable Android Auto wireless adapter. Its current discount (the lowest price its been in 30 days) makes it even more attractive.
If you want a basic mini-PC for a POS machine or running accounting software, the Acer Veriton E220 should fit the bill ...
With pfSense requiring a modest set of CPU and memory resources, you can replicate this project on most NAS devices that ...