The light activated water level controller circuit explained here has the advantage of being corrosion free and much reliable than the traditional moisture sensor type of water sensors. Circuit Operation One slight downside of this LDR based sensor is that the tank interior always needs to be illuminated by some kind of light source such […]
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Energy Saving Automatic LED Light Controller Circuit
In this post I have explained an interesting energy saving lighting circuit design which switches ON only when it is logically required thus helps to save electricity, and also increases the working life of the whole system. Technical Specifications Hello Swagatam, Thanks for response, the details which you asked are as such , 1. solar […]

