The transmitter is directly connected to a power outlet, which also provides the necessary energy for its operation. By pressing the control button, the circuit generates a carrier frequency of […]
Switch ON/OFF any Appliance Remotely using Mains Wiring
Using the explained transmitter and receiver circuits, you can quickly exploit the existing mains home AC wiring to send signals across different rooms, for remotely switching ON/OFF any desired appliance […]
GSM based Irrigation Circuit using Cellphone missed Calls and Arduino
In this post we are going to construct a GSM based irrigation circuit which can be used to turn ON / OFF the motor pump or any electronic gadgets connect […]
Wireless Lamp using an RF Disturbance Circuit
In this post we learn how to illuminate a small DC lamp remotely through RF disturbances created by switching a battery, motor circuit some 4 meters away. This distance can […]
Fan Speed Control using TV Remote Handset
A highly effective infrared based TV remote controlled fan dimmer circuit could be constructed employing some IC s and triacs, the following content describes the specifics. The circuit outlined on […]
How to Build a Vibrating Cell Phone Remote Control Circuit
In couple of of my earlier content we mentioned a couple of GSM remote control circuits making use of normal cell phones as the modem. Almost all of those designs […]