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  1. A

    Integrated circuits connectivity in Printed circuit board.

    https://en.wikipedia.org/wiki/Integrated_circuit https://en.wikipedia.org/wiki/Printed_circuit_board Can a integrated circuit pins output be connected to one and more integrated circuits input pins in printed circuit board? There are two scenarios. There are three Integrated circuits IC1...
  2. P

    Error checking codes in ECC

    What is a single bit error event and non-corrected error event? And How is it implemented in ECC?
  3. B

    Help with breadboard audio player project

    Hi all, I'm a math and physics major in my junior year. I am in a class called Scientific Instrumentation. The class requires that, by the end of the year, I must design and build a project on a breadboard. I decided that I wanted to build a breadboard that will play the melody of "Africa" by...
  4. sr13579

    What is the name of this IC used in bluetooth audio receiver and FM radio?

    I bought tgis cheap bluetooth receiver that has a chip #AC1805E88767 or something like that with symbol of PI(3.1416) on it? I tried to search about this IC but nothing comes up. I tried to take a photo but the chip is very small. Does any of you know about this chip?
  5. Sandra James

    Need an Arduino Uno

    Hello everyone! I am looking for an Arduino Uno. If anyone has a used one, please contact me.
  6. 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...

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