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  1. masterleous

    Want to use LED Dot Matrix Board

    Hi audioguru n MP, I try to locate the pin no.s of 8*8 LED Dot Matrix Board n got success. There are total 16 pins. 8 pins for 8 column and 8 for 8 rows. The 8*8 LED Dot Matrix is look like as below......   - - - - - - - -   - - - - - - - -   - - - - - - - -   - - - - - - - -   - - - - - - -...
  2. masterleous

    Want to use LED Dot Matrix Board

    Thanks audioguru & MP, I tried this method on it, and it was working.............but the problem is that i want know the exact order......mena s just like a 7 segment which has pins like a b c d e f g h..............i want to know the exact pin location of this 8*8 matrix led........i tried...
  3. masterleous

    Want to use LED Dot Matrix Board

    Hi all, I want to use LED DOT MATRIX Board, I bought a newone having 8*8 LEDs, means This have 8 Columns and 8 rows, and their are only 16 pins........... ??? I am unable to use it, can anyone help me to understand how we can make letter on it. or how we can make any thing with it...
  4. masterleous

    How to get a CLOCK from a Crystal Oscillator

    Thanks audioguru, I will try CD4060 as you suggested. But audioguru using Microcontroller is not a cheapest way to get a clock. I am trying to make a square wave Oscillator, if i get success than i will put that logic in this forum toooo.
  5. masterleous

    Want DIGITAL VOLT METER for AC

    Hi, In Electroni-LAB.com a circuit is given using IC 7107, The circuit is mainly for DC Inputs only, if we want to measure AC inputs than which changes will we have to make in our cisruits. Either, a Bridge Rectifier is used with capacitor in front of AC inputs and That Circuit for DC, or any...
  6. masterleous

    How to get a CLOCK from a Crystal Oscillator

    Hi all, I want to know the procedure to get a clock from a crystal oscillator. if we want to use 1 MHz to 30 MHz crystal with necessary circuit. than how will we get it? Secondly if i want some Clock Frequancies like 1 KHz to 200 KHz and i have a 1 MHz Crstal, than is their is any method to...
  7. masterleous

    Want help in Voice & Data Multiplexing

    ??? Hi, No reply............ :'( Plz tell me about it.
  8. masterleous

    Want help in Voice & Data Multiplexing

    Hello Guys, My project is Voice & Data Multiplexing using TDM , I found a Circuit Diagram of the above project, the circuit is for Analog TDM using Analog MUX CD14051, I want to obtain Voice from SoundCard of my computer and also Data from Parallal/Serial PORTs, but my concern is to get...
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