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circuit
circuit

... that the power source is PRODUCING. This is why LIGHTS that are wired in PARALLEL are BRIGHTER than those wired in SERIES ...
Infrared IR Sensor Circuit Diagram and Working Principle
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... different measurements that can be made. Digital instruments usually display digits, but may display a bar of a length proportional to the quantity being measured. Digital multimeters have all but replaced analog moving coil multimeters in most situations. Analog multimeters are still manufactured b ...
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Power Monitoring in Home Area Network using Smartmote

... In this paper, the low cost, simple in architecture smartmote is presented which can be easily used with home energy management system. The designed smart mote has the following features (1) It provides a smart solution to monitor electrical parameters such as voltage, current of residential load. ( ...
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... The advantage of inductive coupling is the possible difference in common-mode and differential transfer characteristics. Careful transformer design allows noise and signal frequencies to overlap but presents high common-mode impedance to the noise and low differential impedance to the signal. Anothe ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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