Tag Archives: Relay

General Infrared Remote Controlled Relay

Posted on January 24, 2012 by Rend

This relay circuit is controlled by almost any type of infrared remote controller. This circuit works on assumption that almost all remote controller use high frequency modulated infrared light. By filtering out un-modulated or low frequency modulated signal, this circuit … Continue reading →

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Solid State Relay (SSR) with Optocoupler and Triac

Posted on May 7, 2011 by Rust

This solid state relay (SSR)  equivalent circuit is made of optocoupler and a triac. This SSR circuit is also designed with  LED protection from overvoltage and reverse polarity. The diode 1N4002 is the reverse polarity protector, as it will short … Continue reading →

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Relay Driver with Strobe

Posted on April 25, 2010 by Rust
Relay Driver with Strobe

LM111 comparator can be used o design a relay driver with TTL strobe, this can be used to provide more control of your relay driver. You can control the strobe input using a microcontroller or other  digital signal. Here is … Continue reading →

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