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Recent content by goldriver

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    Interfacing CDMA fixed wireless phone with PABX

    Hi everyone, i am working on a project that requires me to interface a CDMA fixed wireless phone with a PABX device. The objective of the project to have a CDMA fixed wireless phone route calls to different extensions to provide communication facility in remote areas where landlines are not...
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    Can you identify the type of this attached stepper motor?

    Is this a nema 17 or nema 23?
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    How to select the right stepper motor to actuate a valve?

    The valve can just be a water tap. I will decouple the tap from the valve and attach my motor instead. I can't be quite specific about the the valve but what kind of specification are you looking for? Describe
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    How to select the right stepper motor to actuate a valve?

    Hi, i am working on a project which requires me to control a valve using a stepper motor. I need guidance on how to figure out the size of the stepper motor that will be able to open and close the valve comfortably, such that the torque shouldn't be too low neither too high, we don't want to...
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    Interfacing website with arduino

    I am developing a project which requires me to design a website that can receive values from arduino microcontroller & log them in a data base. So far i have been successful in sending data to a my local IP address using ethernet shield. The next step requires me to develop a website,assign it...
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    How to achieve wireless communication between MICRO-CONTROLLER AND ANDROID APP

    Yes i am aware, i was just confirming it.
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    How to achieve wireless communication between MICRO-CONTROLLER AND ANDROID APP

    Do you recommend the second solution then?
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    How to achieve wireless communication between MICRO-CONTROLLER AND ANDROID APP

    I have found two solutions by doing some research. Please shed light on both solutions 1.Connect the app to a web server which receives data using a WI-FI ROUTER from an arduino which is connected like in this representation: https://imgur.com/nUDjktA 2.Connect a blue-tooth transmitter...
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    How to achieve wireless communication between MICRO-CONTROLLER AND ANDROID APP

    I am developing a system for a uni project that requires me to transmit data from an ARDUINO micro-controller to an android app. For instance, i am reading off values from moisture,light and temperature sensors and transmitting them to the arduino micro-controller and now i would want this data...
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    Advice required for selection of simulation software for a system

    Thanks! ,No, its not a hobby project ,its a small part of my final year project in my undergraduate EE .
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    Advice required for selection of simulation software for a system

    Position of a stepper motor* - - - Updated - - - Yes,obviously it doesn't take a mechanical quantity as an input but it does convert the input to a change in resistance.
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    Advice required for selection of simulation software for a system

    I am designing a system which has sensors monitoring moisture,temperature and light and then it uses these parameters to control a motor. However,before implementation, i would like to carry out a simulation which provides simulation using ARDUINO MICROCONTROLLER as the coding is easier. Can you...
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    [SOLVED] Rotational motion to Linear motion

    We are in process of designing an automated fruit packaging system. Part of this system requires us to design a mechanism which converts rotatory motion into linear motion. Can someone with a mechanical background ,please guide me on how to design such a mechanism?. The mechanism will be...
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    conveyor belt automation project-dc gear motor current

    Can you recommend any h-bridge? We are also having trouble interfacing the tle6209 ic with the arduino microcontroller as it requires serial communication between the uc and itself. Plus There is no tutorial or help available regarding this h-bridge.
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    conveyor belt automation project-dc gear motor current

    I wanted to say that when you connect the belt's motor directly to the power supply ,the motor kicks into action and the belt starts moving. I have not tested it yet with opposite polarities but the belt demonstrates the above behavior when directly connected to the power supply without any...

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