[Rockwell] sent us an update on his traffic light hacking ... a crystal and filtering caps, and an Arduino serial to USB module for connectivity. The AC load switching is handled by three relays.

Well, [Ivo] developed a sniffing platform based on an Arduino Uno, a single nRF24L01+ module and a computer running the popular network protocol analyzer Wireshark (part1, part2, part3 of his ...