In few of my previous articles we discussed a handful of GSM remote control circuits using ordinary cell phones as the modem. All those designs incorporated the ringtone of the […]
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Greenhouse Motorized Water Diverter and Humidity Controller Circuit
In one of the previous posts we learned the making of a greenhouse temperature controller circuit, here we study how the effects may be enhanced through an automatic water valve […]
Underwater LED Boost Converter Circuit with Dimmer
The post discusses an LED controller circuit having a boost and dimming facility specifically designed for underwater shooting application. The idea was requested by Mr. Svein. The Circuit Request I […]
Infrared (IR) Controlled LED Emergency Lamp Circuit
Here we discuss a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The idea was requested by Mr. Heeran Technical Specifications Can you please help […]
Simple Greenhouse Temperature Regulator Circuit
The post discusses a simple electronic temperature regulator circuit which could be specifically used for regulating greenhouse temperatures. The idea was requested by Mr. Leo. Technical Specifications I am looking […]
Modifying Car Turn Signal Lights, Park-Lights and Side-Marker Lights
The post explains an innovative circuit modification which allows a single common lamp to be used as a parking light, turn signal indicator light, as well as a side marker […]