Friday, December 12, 2014
Simple D I Y intercom schematic
This schematic use an old phones as an intercom. You may wish to use a 12 to 24V battery, like a Gel Cell, since the car power or cheap power wall wart style supply is probably too noisy.
Battery Charger for 12v
This is a design of the circuit diagram of a simple and straight forward battery charger that can be used to charge all type of 12V rechargeable batteries including car batteries.
This circuit is completed with ammeter VU for displaying the current. This is the figure of the circuit.
Remote Control IR Jammer
Remote Control IR Jammer
This circuit does all that and more by jamming most IR remote signals. The circuit releases a flood of pulsing IR light that confuses the reciever by corrupting the data stream.
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