In this design a solenoid is operated using an IR remote control, which in turn toggles the fish feeder mechanism. In this article I have explained how to make a simple infrared controlled fish feeder circuit. The idea was requested by Mr. Harishvar. Technical Specifications I just want a circuit which should turn on when […]
Archives for 2015
Atomizer Circuit for E Cigarettes
In this post I have explained a simple transistorized PWM controlled atomizer circuit for E-Cigarettes which may be used for controlling the filament heat levels of an atomizer. The idea was requested by Mr. Dave. Technical Specifications My name is Dave. Found your site searching for a driver circuit for a mosfet gate. I like […]
Automatic Bathroom/Toilet Engage Indicator Circuit
In this post I have explained a very simple automatic bathroom/Toilet Engage indicator circuit which can be installed with any relevant door bolt for implementing the actions. The idea was created and submitted by Mr. Sandipan. The Design I have one more idea that need your help. I would like to implement is at my […]
How to Make a Barcode Security Lock Circuit
A simple barcode security lock circuit or barcode scanner circuit is explained in the following article using just a handful of ordinary components such as an op amp, an LDR and an laser light. We all have seen and are familiar with these arrays of thick and thin lines which can be seen printed on […]
High Power Industrial Mains Surge Suppressor Explored
In this post I have explained a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading a lot of your design ideas and I am extremely impressed with your designs. I don’t have anywhere near your level of […]
Make this Simple Refrigerator Door Open Alarm Circuit
This presented refrigerator door open alarm circuit which alerts you after a period of time whenever your refrigerator door is left open. This circuit becomes very handy, because in case the door is left due to carelessness may cause significant increase in the consumption and affect the life of the fridge. Circuit Operation This circuit […]