+5V DC

Preamble I&rsquo;ve found myself in need of some baby monitors. In the past I&rsquo;ve used a pair of prehistoric hand-me-downs, but I decided to go fancy this time. Getting started The criteria were that it was to have no knowledge of wifi or cloud connectivity, and I wanted it to have reasonable range. Range more reasonable than Bluetooth - I might as well just sleep next to them then. I did…