In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Jimbo wrote:

Just wondering, if your running off a UPS and the power goes out the UPS will know it and will either beep and/or light and LED. Couldn't you just tap off the LED/speaker inside the ups? another option would be, most UPS have a serial port to let the computer know their status and shut the system down when the batery gets low. Couldn't you use a pin off the SX to both get the UPS is on signal and control the ups as well?

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