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Inverter 12V / ~ 220V

Almost all household equipment powered by alternating current voltage of 220V. This makes it impossible to operate electrical equipment in the vehicle or in a place, which temporarily or permanently no power, but have access to a car battery. To supply the equipment at ~ 220V Vehicle power… Continue Reading

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infrared radar

The device is intended for an audible indication approaching the obstacle at a distance less than the threshold. It works on the principle of radar, but instead of using radio waves, infrared light. Emits infrared radiation in the direction of the obstacle. The obstacle is reflected infrared radiation and its reception by a photodetector. If the power of the received reflected… Continue Reading

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Switch off delay

In some cases, to load, powered by the mains, turn off delay. On the picture 1 circuit breaker is, which includes a load immediately after the circuit breaker contacts S1, and switched off with a delay of one minute after the opening of the switch contacts. Delay… Continue Reading

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Fan Thermostat

This thermostat is designed to work on lowering the temperature, including the fan when the temperature exceeds a predetermined limit. scheme, can say, standard, – термо­датчик, scheme for setting the reference voltage, comparator, triac output stage. The sensor is used industrial production, – LM335A2. It can be characterized… Continue Reading