The post presents a cheap cellphone remote controlled water pump circuit which allows farmers (user) to switch ON their field water pump without practically visiting the spot, thus saving precious […]
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Detecting Static Human with PIR
The post explains a method which can be probably used for enhancing a passive infrared sensor ability to detect even a static or stationery human presence. This feature is normally […]
No Load Detector and Cut-off Circuit for Inverters
The post discusses a relay cut-off circuit which may be included in inverters to ensures that under a no load at the output the condition is quickly detected and the […]
Automatic Sliding Gate Controller Circuit
In this post we investigate a circuit, designed for implementing an automatic sliding gate or door action, and includes a set of features as specified in the request. The idea […]
Solar Insect Repellent Circuit for Protecting Crops in fields
The post explains a simple to build ultrasonic insect repellent circuit which can be installed in farms and used by the farmers for driving away all sorts of insects, bugs, […]
Mosquito Killer Circuit with Window Trap
The post explains a simple mosquito electrocution net, or mesh circuit which can be easily built and installed on a home window for blocking and killing an in-surge of mosquitoes. […]