i have a project to design manualy operated coffee pulper. i want to know more bout how the drums work.and how it can throw out beans and pulp through different places(openings). ....etc

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I have a question about the connection of coin slot to relay..
I
Is it better to connect the coin slot directly to microcontroller or should I connect it to relay before to microcontroller.

Coin slot:
red=Vcc
black=Gnd
white=counter
gray=coin

with these four wires, where should i connect the relay?,
once i inserted a coin (1 peso), i measure the output voltage, and it reads only 0.2V which cannot drive the relay..what should i do?.

any help is much appreciated..thank you in advance.! ....etc

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TO DESIGN & FABRICATE A SIX SLOT GENEVA WHEEL MECHANISM
INTRODUCTION
The Geneva mechanism is a timing device. It is used in many counting instruments and in other applications where an intermittent rotary motion is required. Essentially, the Geneva mechanism consists of a rotating disk with a pin and another rotating disk with slots (usually six) into which the pin slides. The Geneva mechanism was originally invented by a watch maker. The watch maker only put a limited number of slots in one of the rotating disks ....etc

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SLOT VIEW SIMULATION OF WIND ELECTRICAL SYSTEMS



ABSTRACT
As a result of increasing environmental concern, more and more electricity is generated from renewable sources. One way of generating electricity from renewable sources is to use wind turbines. A tendency to erect more and more wind turbines can be observed. As a result of this, in the near future wind turbines may start to influence the behaviour of electrical power systems. Therefore, adequate model ....etc

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parking slot avalable indicator project report ....etc

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INTRODUCTION
LARGE generators play a key role in power systems. Because they are expensive, unexpected breakdowns represent huge economic losses. High quality maintenance is therefore essential to ensure a high level of availability. In short, it is very important to ensure that large generators are in good repair and can run stably The vibration of stator bars caused by electromagnetic force exists in the operation of large generators and this is worsened by loose stator slot wedges. The severe vibration accel ....etc

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parking slot indicator using microcontroller at89s52 material ....etc

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hello can u send me d infomation abt dis topic pls send me as soon as possible ....etc

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An automotive AM/FM hidden antenna using the slot between the body of the automobile and a metal solar heat-reduction film in the front windshield is described. Such solar heat-reduction metal films are becoming common and thus represent an opportunity to incorporate an antenna at only marginal cost. The radio frequency (RF) input impedance and gain patterns are described, and techniques for impedance matching are shown. ,Theoretical and experimental antenna patterns are compared in this seminars,The application of this mobile system to the me ....etc

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