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Recent content by ArNvC

  1. ArNvC

    how the Electronic Energy meter works

    In Electronic Energy Meters (or Digital Energy Meters) the accurate functioning is controlled by a specially designed IC called ASIC (Application Specified Integrated Circuit). ASIC is constructed only for specific applications using Embedded System Technology. In addition to ASIC, analogue...
  2. ArNvC

    How to Install matlab on old pc

    I think Matlab 5.3 should run on this config.
  3. ArNvC

    Laptop not detecting any external devices

    Try these options: 1. check disk management to see whether drive is detected 2. update your driver 3. or you may need some disk recovery tool https://www.icare-recovery.com/partition-recovery.html Alternately, you can check the USB cable/try and connect to other computers and btw, whats...
  4. ArNvC

    HOMER Software for Distributed Generation

    Hi all, Did anyone use the HOMER software (https://homerenergy.com/software.html) for simulating Distributed Generation Systems/Microgrids. I've been using it for a while and faced some problems off late (as for eg: Modifying the wind turbine's generator model). Can anyone help me out in this...
  5. ArNvC

    BJT charactrestics....

    A Bipolar Junction Transistor (BJT) when operated with DC inputs, the levels of its collector current Ic and base current Ib are related by the term beta (β), and expressed as: β(dc) = Ic/Ib For alternating potentials beta AC is expressed as: β(ac) = ∆Ic/∆Ib│V(ce) = constant. As a general...
  6. ArNvC

    Need help for M.E. Dissertation Topic for Image Processing.

    Sorry for replying you late...I think you can get some help regarding this using MATLAB file exchange...follow this link https://www.mathworks.in/matlabcentral/fileexchange/index?utf8=%E2%9C%93&term=plot+ridge+orientation download the code and study it. There is also a free ebook...
  7. ArNvC

    pn 2222 substitue & Iadj. in the design

    I think BC 549 should do well...548 too
  8. ArNvC

    Need help for M.E. Dissertation Topic for Image Processing.

    Hi, I'm sorry I changed my username...;-) although my name is same :-P BTW is it fingerprint recognition/reconstruction? You can go for Hierarchical Minutiae Matching of fingerprints. Nowadays lots of work are going on for Minutiae Reconstruction of fingerprints. You can go to IEEE and search...
  9. ArNvC

    Need Appropriate Cost effective microcontroller

    I've used PIC18F452 for a similar project like yours. Its really good and cheap too
  10. ArNvC

    Geared Motor or Direct Drive?

    If you have the circuit, go for it. I think still if you cant drive the wheels, try to reduce their size. Go for a simple and light chassis design. In all ways, try to reduce the weight of the robot to safely drive it. Just turn it around to see if the motor is ok and is rotating well. If...
  11. ArNvC

    Geared Motor or Direct Drive?

    Hi, Look at your application of the robot. If it requires no speed or torque changes between the motor and the wheel, go for direct drive. A geared drive's torque can be increased by driving a larger gear with a smaller gear. In this case, speed will be reduced. A small gear can drive a larger...
  12. ArNvC

    Analogue Active Noise Cancellation Headphones

    Importantly, there isn't any noise-cancelling headphones capable of eliminating all noise in your surroundings. You will always hear some noise regardless of which noise-cancelling headphones you use especially analog ANC which will invariably work on same bandwidth all the time. Modern digital...
  13. ArNvC

    Analogue Active Noise Cancellation Headphones

    Hi, Remember one thing, Active noise-canceling headphones - their very structure creates a barrier that blocks high-frequency sound waves. They also add an extra level of noise reduction by actively erasing lower-frequency sound waves. They actually create their own sound waves that mimic the...
  14. ArNvC

    change username

    Ok, then ArNvC...is it available?

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