Simple Circuit Communicates Over Low-Voltage Power Lines
https://www.electronicdesign.com/technologies/communications/article/21799727/simple-circuit-communicates-over-lowvoltage-power-lines
220610 Update on the Haslab Afterlife Proton Pack
https://hasbropulse.com/blogs/unboxed/haslab-ghostbusters-plasma-series-spengler-s-proton-pack-update
