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If the house is an old remote, and behind them are skill with electronics, the old device can be easily and quickly turn into something very entertaining and interesting. Let's look at three interesting crafts from the house masters.
1. Strobe flasher,
From the console, you can get the facility of shock protection. To do this, simply connect a conventional LED (or something even more powerful) to the output of the system. Step-up transformer must have the following characteristics: 10-12 primary winding turns, the secondary winding turns 300-350. All this guarantees the launch of a powerful LED.
2. The high-voltage spark generator
With step-up transformer can be made from the remote multi-stage voltage multiplier. Using low-power capacitors and diodes, will not be difficult to achieve 2-3 mm high-voltage discharge. Increasing The Cascade can easily achieve a spark length of 15-20 mm. However, in this case, the generator will always work with increased load.
3. Detector flush
Panel generates high frequency pulses, they can transmit and receive. All this is enough reason to turn the old device to flush the detector in the room. To make the remote control of this thing, you need to connect to the card coil windings 10-15 in the output of the system. You also need to solder a normal power cord with plug.
Important: Remember that when searching for the power supply wiring must be completely turned off. Otherwise, you can burn off the device and receive an electric shock.
Continuing the theme Insoles heated with his hands to his feet from the cold "do not fall off" and not only.
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A source: https://novate.ru/blogs/190219/49508/