Over on his YouTube channel [Electronic Wizard] has released a video that explains how infrared (IR) remote controllers work: IR Remote Controllers protocol: 101 to advanced. This video covers the … ...

Class 1 power-limited circuits must be supplied from a power supply that limits the output to 30V and no more than 1,000VA [Sec. 725.41(A)]. Class 1 remote-control and signaling circuits must not ...