6 ms·
Electric meters often blink a signal LED for every X kWh, so other devices can read the signal. I'm not sure if this is used for bidirectional communications, t
by mjochim 9mo ago
Electric meters often blink a signal LED for every X kWh, so other devices can read the signal. I'm not sure if this is used for bidirectional communications, though.
- bigfatkitten 9mo agoNo, but they also have a separate infrared interface for this. https://en.wikipedia.org/wiki/IEC_62056 https://en.wikipedia.org/wiki/IEC_62056
- NegativeLatency 9mo agoSmart meters have a whole protocol