Recent content by alireza1

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    Design analog wave generator

    Thank you audioguru using microcontrollers is the best answer, but I want to use analog circuit.
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    Design analog wave generator

    Hi everyone I want to build an analog circuit that consists of 4 parts. Part1 is a simple adjustable square wave Part2 changes the duty cycle of the wave generated from Part1. Part3 shifts the phase of the wave generated from Part1. Part4 changes the duty cycle of the wave generated from Part3...
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    Solenoid instantaneous power supply

    Hi everyone I have a 3vDC solenoid like this http://www.alibaba.com/product-gs/266566490/DC_solenoid.html I want to build a miniature actuator that its task is, when the trigger key is pushed, after 5 seconds the solenoid is triggered for only 0.5 second. I have no large space for circuit and...
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    PCI Card datasheet

    Hi I want to build a PCI card for my university project, but I don't know anything about it. is there anybody who introduce a book or pdf about its pinout? how does it work?... how does it transfer and receive data to cpu?... how does it communicate with other devices?... which protocol does it...
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    low rpm dc motor

    dear friends I look for a dc motor with  max 30VDC, 1-5 rpm and 4-10 kg.cm Torque Where can i find it in the web and buy it? Thank you
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    Shaft encoder

    Hi everyone I've found a shaft encoder from my university for one of my projects. but I couldn't find its datasheet. there are 15 pins on it. I need its voltage and amount of pulse/revolution. Is there anybody who can help me? yours sincerely these are two pictures of it:
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    Shaft Encoder

    Hi everyone I've found a shaft encoder from my university for one of my projects. but I couldn't find its datasheet. there are 15 pins on it. I need its voltage and amount of pulse/revolution. Is there anybody who can help me? yours sincerely these are two pictures of it:
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    info about mouse

    Hi there where can I get a good datasheet how the mice work ?
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