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Newly Updated Circuit Projects:

Electronic Door for Pets Circuit – Opens when Pet Nears the Door

Last Updated on July 3, 2019 by Swagatam 2 Comments

In this post I have explained a simple electronic door circuit for pets which can be used as an electronic dog door for allowing only your specific pet dog to use the entrance, while keeping it locked for “strangers”. The idea was requested by Mr. Dave Monette. Circuit Objectives It’s been a while since we […]

Filed Under: Wireless Circuits Tagged With: Door, Electronic, Nears, Opens, Pets

How to Make a Remote Control Circuit from a Remote Bell

Last Updated on July 3, 2019 by Swagatam 8 Comments

Remote control circuit 1

The proposed remote control circuit idea can be used for controlling any electrical gadget within a range of 100 meters. How the Circuit is Supposed to Work Since the idea here is to modify an existing circuit of a remote bell unit, becomes super easy without any complications. However the construction part does require the […]

Filed Under: Remote Control Circuits Tagged With: Bell, Control, Remote

How to Buy and Use RF Remote Control Modules – Control Any Electrical Gadget Remotely

Last Updated on July 3, 2019 by Swagatam 19 Comments

4channelremotecontrolmodule

Remote controls have always been an intriguing device for all of us because of one good reason: It allows us to operate distant gadgets with a flick of a button, without having to move an inch. Introduction Today with the advancement of technology remote control switches have become accessible very easily from the market and […]

Filed Under: Remote Control Circuits Tagged With: Control, Electrical, Gadget, Modules, Remote, RF

Making a Cell Phone Controlled Remote Bell Circuit

Last Updated on July 3, 2019 by Swagatam 32 Comments

Cellphonecontrolledremotebellcircuit

The following circuit of a cell phone controlled remote bell can be used for ringing bells or alarm devices using your personal cell phone. The unit incorporates an attached cheap cell phone as the modem for executing the proposed functions. Circuit Concept The explained circuit can be used in schools for ringing bells using a cell phone […]

Filed Under: Remote Control Circuits Tagged With: Bell, Cell, Controlled, Making, Phone, Remote

DTMF based FM Remote Control Circuit

Last Updated on July 3, 2019 by Swagatam 8 Comments

dtmf FM transmitter circuit

In this post I have explained a DTM based FM remote control circuit which can be used for controlling 4 individual appliances remotely by pressing four corresponding buttons on the DTMF transmitter handset. The idea was requested by Mr. Sunaabh Sarkar. Technical Specifications I came across your blog “Homemade The Designs Just for You” quite […]

Filed Under: Remote Control Circuits Tagged With: Based, Control, DTMF, FM, Remote

How to Control Motor with a Cell Phone

Last Updated on July 3, 2019 by Swagatam 98 Comments

cellphonecontrolledmotorcircuit

In the following post I have explained a very simple circuit idea which can be used for controlling a motor’s rotational direction i.e. for moving it either clockwise or anticlockwise through alternate miss calls from your cell phone. The Circuit Concept I have already discussed a novel cell phone controlled remote switch circuit where the […]

Filed Under: Motor Controller, Remote Control Circuits Tagged With: Cell, Control, Motor, Phone

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