In this post I have explained a simple food warmer lamp timer circuit for restaurants and hotels which can be used for automatically switching OFF the lamps after a predetermined […]
Search Results for: ultrasonic
Solar Insect Repellent Circuit for Protecting Crops in fields
In this post I have explained a simple to build ultrasonic insect repellent circuit which can be installed in farms and used by the farmers for driving away all sorts […]
How to Make Dog Barking Preventer Circuit using High Frequency Deterance
The discussed circuit is designed to discourage dogs from barking in the selected zone by the generation of a synchronized ultrasonic sound waves in response to a few initial barking […]
Remote Controlled Wireless Water Level Controller Circuit
For multi-storey buildings where water tanks could be at considerable heights over building terraces, monitoring the levels automatically could become a major issue. RF remote control modules have become pretty […]
3 Useful Electronic Mosquito Repellent Circuits Explored
In this post I have explained the construction of 3 simple electronic high frequency mosquito repellent circuits, which are specially designed to drive away mosquitoes through their tuned high frequency […]
Simple Water Level Indicator Circuits (with Images)
A water level indicator is an electronic circuit which indicates the various levels of water inside a tank. This happens when rising or dropping water levels come in contact with […]