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Automatic Micro UPS Circuit

The following article discusses a simple automatic micro UPS circuit which can be used with modems for acquiring uninterrupted power from a DC source, and battery during mains power failures. The circuit also incorporates an automatic over charge cut off, and a low battery indication feature. The circuit was requested by Mr. Kapil Goel. Technical … Read moreAutomatic Micro UPS Circuit

3 Simple DC UPS Circuits for Modem/Router

In the following article we discuss 3 useful DC to DC uninterruptible power supply circuits or DC UPS circuits for low DC to DC uninterruptible power applications The first idea below presents a DC UPS circuit can be used for providing back up power to modems or routers during mains failures, so that the  broadband/WiFi connection … Read more3 Simple DC UPS Circuits for Modem/Router

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