A smart plug that resets router and modem when WiFI failsresetplug.com 1 pointbitsweet10 years ago1 commentSaveHideCopy link On HNComments−SixSigma10yIn the 90s we used the serial port to send a heartbeat via a daemon into a Resistor / Capacitor combo. If the voltage dropped it fired a relay to press reset on the PC.That's how we got good uptime without being on call :)
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In the 90s we used the serial port to send a heartbeat via a daemon into a Resistor / Capacitor combo. If the voltage dropped it fired a relay to press reset on the PC.
That's how we got good uptime without being on call :)