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 integrated the ringtone of the cell phone as the initiating signal. Within this submit we’ll find out how the same might be accomplished but by […]

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How to Build a Cellphone Controlled Car Starter Circuit

The submit offers a basic cellphone activated remote control circuit which can be utilized as a cellphone controlled remote car starter. The unit would certainly cost less than $20 to build. I have already taken care of more than a few fascinating cellphone remote control circuits within this blog, most of which could be executed […]

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How to Build a Cellphone Display Light Triggered Remote Control Circuit

The submit clearly shows a cell phone remote control circuit implementing the light from its display. The suggested cell phone display light remote control circuit could possibly be observed in the presented diagram. The information might be known from the following clarification: The circuit fundamentally includes three phases: the left flip flop stage utilizing NAND […]

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How to Charge a Cellphone battery with a Laptop Battery

The publish highlights a very simple circuit which could be employed for charging a cellphone 3.7V battery with the aid of a laptop battery. Just create a LM317 voltage regulator circuit, regulate its pot for obtaining 4.2V at the output,……..that’s all…now it is possible to connect the 10V to the input of the circuit and […]

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How to Make a Cellphone Jammer Circuit Explored

This really is a RF jammer planned for the U.S. 800 MHz cellular phone band (870-895 MHz). This performs by providing an extreme sweeping RF carrier on the cell phone handset’s performing frequency range. An Exar XR2206 Multi-purpose Generator should certainly serve as the triangle wave generator for offering the sweep portion of the jammer […]

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