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 […]
Remote
Making a Cell Phone Controlled Remote Bell Circuit
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 […]
DTMF based FM Remote Control 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 […]
Vibrating Cell Phone Remote Control Circuit
In few of my previous articles I have explained a handful of GSM remote control circuits using ordinary cell phones as the modem. All those designs incorporated the ringtone of the cell phone as the triggering signal. In this post we’ll learn how the same could be achieved but by using the vibrator feature of […]
Remote Controlled Night Lamp Circuit
In this post I have explained a simple IR based remote controlled night lamp timer circuit. The idea was requested by Mr. Raj Kumar Mukherji. Technical Specifications Please provide the component values and the modified circuit if: a. the circuit is made to work from 4.5 volts or 5 volts b. the relay is replaced […]
Remote Controlled Trolley Circuit without Microcontroller
In this post I have explained how to make a cheap yet powerful remote controlled trolley which can be maneuvered left, right, forward and reverse as required, by the user using the given remote handset. The idea does not rely on an microcontroller circuit. In one of my previous posts I discussed about a simple […]