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Recent content by shubh1994

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    POST HTTP command to update data into web server using GPRS

    My HTTP GET works fine but problems with POST. I am having trouble in POST data to the server. So, can you explain a bit " POST the values along with the url and let the server page handle it using GET methods." I couldn't understand this line. So, can you briefly explain this line. what...
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    [SOLVED] Problem sending POST to webserver from SIM900 with AT commands

    I have successfully done the GET method but facing the problem with POST method ?? How you guys have resolved it ??
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    Using Mic from 1~1.5 meters voice recognition

    Thanks for the quick reply I am getting good signal strength after connecting multiple microphone array in circular array. My problem problem is how to connect multiple microphone array to each other?? (physical network) wireless or using ethernet wire...
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    Using Mic from 1~1.5 meters voice recognition

    I want to talk to the mic throughout the house. So I need to be able to speak from about 1~ 1.5m away to a mic array (8mics in one array) in the ceiling.I am using 3~4 of such mic arrays. I am using op amps and audio signal design, The Quality is important, because the voice recognition will...
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    footprints for TSSOP-38

    Thanks for your reply :-) But i am able to understand what do you mean by "Copy it and add 10 more pins." How i can add 10 pins to it .. I think you mean to edit the library of tssop28
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    footprints for TSSOP-38

    @Mattylad Thankful to you for your reply..:smile: Really, is it that simple ?? I searched in help of eagle but i was not able to find how to make a new footprint?? can you provide me some suitable tutorials...
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    footprints for TSSOP-38

    I has purchased 10 ads7953 but i am not getting the eagle footprints for DBT-38 (TSSOP 38). So, how to get the eagle footprints for TSSOP 38 ??:sad:
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    Interfacing Gas sensor with 3.3V ucontrollers

    Is it not possible to use this MQ7 (gas sensor) with 3.3ucontroller directly without using level shifter?? Can't we heat the heating element will 3.3V??
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    Interfacing Gas sensor with 3.3V ucontrollers

    I am trying to interface MQ7 (CO) with TI Stellaris launchpad (operating voltage is 3.3V) but according to datasheet MQ7 requires Vh= 5v and Vl=1.4v. So, how to interface MQ gas sensors with 3.3v microcontroller????
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    [MOVED] Designing a stepper motor controller NEED URGENT HELP!

    For understanding Working of stepper motors prefer following page:: **broken link removed** if you need more insight then read this:: gyan.fragnel.ac.in/~dileep/stepperworking.pdf‎ To drive a Stepper motor you need to have large current but controller doesn't have ability to source more than...
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    Pick and Place robot

    "Pick and Place" means you are trying to make a Robotics Arm. If yes, you need to have few servo motors,a micro controller board,grippers and think of a mechanism to grab object,i have attached a YouTube link https://www.youtube.com/watch?v=HMQ4u9UlPSQ Above Mechanism requires 1 worm gear,2...
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    references of 8085 processors

    1. Best Book for 8085 R.S Gaonkar “Microprocessor Architecture, Programming and Applications with 8085”, Penram International, Indian 5th Ed., 2002. It has very nicely explained all the fundamentals of Processor and has covered all aspects of 8085,(but pre-requisite knowledge of...
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    hm2007 speech recognition ic

    this website have HM2007 https://probots.co.in/index.php?main_page=product_info&cPath=15_41&products_id=446
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    [SOLVED] generating high frequency square wave(24~25 MHz)

    Finally i done will it, i got square wave, i set the trimmer in 10x probe. Eariler i was not using it, now i am getting square wave in all above mentioned ways... Thanks a lot to everybody who helped me. This link is even helpful https://www.youtube.com/watch?v=SX4HGNWBe5M
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    [SOLVED] generating high frequency square wave(24~25 MHz)

    @kripacharya Sir,i am responding to every body comments, i am not able to understand why u felt that i am ignoring the solutions provided?? 1.I have used a) F1100E crystal clock oscillator b) atmega168 clock out c) used quartz crystal and connected a NOT gate to its output to convert in square...

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