In this post I have explained a sensor device used for measuring the level or amount of dissolved oxygen in water and other fluids. The idea was requested by Mr. […]
Search Results for: transistor circuits
How to Make a Solar Panel Optimizer Circuit
The proposed solar optimizer circuit can be used for getting the maximum possible output in terms of current and voltage from a solar panel, in response to the varying sun […]
Municipal Water Supply Sensor Controller Circuit
In this post I have explained a simple water sensor with pump starter circuit for switching a pump motor during municipal water supply periods. The idea was requested by Mr. […]
PIR Ceiling Fan Controller Circuit
In this post I have explained a simple automatic PIR controlled ceiling fan circuit for school college use, which responds and switches ON only in the presence of a human […]
Automatic PWM Door Open/Close Controller Circuit
In this post I have explained a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. […]
Grid Transformer Fire Hazard Protector Circuit
In this post I have explained a smart mains fire hazard protector circuit which can be used for preventing mains grid transformers from over heating and causing sparks or even […]
