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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

counter

  1. C

    Digital Counters Counts Sample External Frequency Wrongly

    Please see the attached schematic. I am experimenting with a circuit for sampling an external frequency. The counters do not always count correctly. At first I suspected the breadboard and I replaced it with no success. I would like to know if anybody understands what mistake I have in my...
  2. S

    y

    .
  3. R

    A 4bit counter that goes and down

    Hello everyone, I am kinda new to the website, I just came across it after looking for answers for such a long time. I have an assignment that asks to add an input bit to your circuit from the circuit I created that goes up my sequence of 3 up to 15 called U (for up). If U is a 1, your circuit...
    • RoxasWally
    • Thread
    • #logic citcuit circuit-design circuitdesign counter
    • Replies: 2
    • Forum: Homework Help
  4. K

    (Registers/Counters) - What is the final contents of the register?

    The contents of a 8-bit register is initially 01110111. The register is shifted right six times with the serial input being 011001. The same register is then shifted left 4 times with the serial input being 0101. What is the final contents of the register?
  5. E

    Need Help for my 74190 counter down mod-5 [beginner]

    This is for my school project. So, I got my 74190 counter shows number like this 9-8-7-6-5-4-3-2-1-0-5-4-3-2-1-0-5-4-3-2-1-0-5-4-3-2-1-0 and so on. My questions: (1.) What can I do to change the output count down into 5-4-3-2-1-0-5-4-3-2-1-0 and so on (2.) When it changes 0 into 5 it moves so...
  6. B

    Problem with counter

    I need to make mod-12 asynchronous down counter using T flip flop. It counts from 15 to 4. I don't know really how to do it and it's really important, so if you could help me i would be very grateful! Thanks! :)
  7. B

    Problem with counters

    I need to make mod-12 asynchronous down counter using T flip flop. It counts from 15 to 4. I don't know really how to do it and it's really important, so if you could help me i would be very grateful! Thanks
  8. pradoartz

    Need working circuit for this "arduino based 7 segment counter || Finger Click speed || Race"

    Hello Friends, Please have a look in the video below. I am working in a project like this. This guy presents his code and circuit in his video description, code is perfectly compiling but the circuit is not good. Please help me in designing a good circuit for this project with all buttons and...
  9. priyanka.nivy

    Badminton Scoreboard

    Hello Friends, One of my friend started a Badminton Court. So i would like to present him a Scoreboard. I got some little knowledge in electronics. I am new to Arduino. I can buy him a ready-made one, but there is no fun in that. So friends please help me do design a scoreboard with HOME and...
  10. L

    Self-Stopping 99-0 Countdown Clock

    I am using multisim trying to make a self stopping down counter from 99-0. the only requirements are below! I've tried a few different ways and I have no idea. Please help!! · Build a 2-digit countdown clock using two 7-segment displays with the following characteristics: Make it countdown in...
  11. J

    555-4026b-7segment Counter Circuit.

    So. I have started a project on creating circuit that would be able to count money that I could use. The circuit would be able to count from 0-99 A circuit very much similiar to it can be seen here: **broken link removed** 1) Onthis link you can see a circuit with one segment requiring one...

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