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Basic Circuit of Photo Transistor Sensors

This component has the same properties as the transistor that produces the cut off and saturation conditions. The difference is, when the transistor cutoff condition occurs when no current flows through the base to the emitter and saturation conditions occur when there is current flowing through the base to the emitter then the phototransistor cutoff condition occurs when no infrared ...

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Photo Transistor Sensor

Photo transistor is a type of transistor whose base bias is infrared light. The amount of current flowing between the collector and the emitter is proportional to the intensity of light received by the photo transistor. Photo transistors are often used as an infrared light control switch, which utilizes saturation (saturation) and off (cut off) conditions from the photo transistor. ...

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Strain Gauge Materials

Various types of resistance materials have been developed for use in Gauge – Gauge wire and foil , such as: a. Constantan is a copper-nickel alloy with a low temperature coefficient. Usually Constantan is found in Gauge used for dynamic strains, where strain level changes do not exceed ± 1500 μcm / cm. The working temperature limit is from 10oC ...

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Linux Operating System Services

Service on the Linux operating system known as daemons. This service was developed to allow a process running in the background without the need for direct interaction with the user. Most daemons are run by the system when the system is active (startup). Examples of Linux applications that fall into the category of this service is the Apache HTTP Server, ...

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Tools Image Recorder (Camcorder)

Cameraman require a certain amount of standard equipment to be able to record good pictures, among them. ● The camera (camcorder) for recording images and sound, for example: professional cameras, camcorders. ● Tripod, avoid shaking the camera. ● Camera light to increase the light, in low light conditions. ● microphone to record sound when taking pictures. Capturing Images With Handycam ...

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Sensor Cahaya LDR

Sensor Cahaya LDR (Light Dependent Resistor) adalah salah satu jenis resistor yang dapat mengalami perubahan resistansinya apabila mengalami perubahan penerimaan cahaya. Besarnya nilai hambatan pada Sensor Cahaya LDR (Light Dependent Resistor) tergantung pada besar kecilnya cahaya yang diterima oleh LDR itu sendiri. LDR sering disebut dengan alat atau sensor yang berupa resistor yang peka terhadap cahaya. Biasanya LDR terbuat dari ...

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