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  How we read data from LPT Port
How we read data from LPT Port Using VB 6.0

rickli 2/2 2008/9/2 14:54
  Periodic Signals
Why a periodic signal need to be start from t=-∞ ? It is stated in "Linear Systems And Signals" By B.P.Lathello (2nd Edition) page no. 18.

stgod 7/6 2008/9/2 11:30
  Switching regulators
Hi, Do you have any ideas about switchellong regulators?what is it? how it works?and type of it?(just block digrames are enough for me)

398338 3/2 2008/9/2 15:07
  How do you read your Electro Tech Online forums?
How does the casual, or even the dedicated user read and answer posts? I personally so far have only come up with hellot my subscribed threads link first (in quick links) and then filter through from ...

398338 3/8 2008/9/2 13:08
  Improving Freq Counter Input Sensitivity?
Hi guys: Can anyone recommend a better input circuit for my home brew Frequency Counter please? Thellos input circuit, borrowed from the Internet, needs about 400-mv at low frequencies to 800-mv o...

ken7976 3/4 2008/9/2 14:41
  Learning op-amp and IC555
Hey there, I'm learning opamp in my college course before, and I want to apply it to reinforce my knowledge. And also starting to PIC(program-interrupt controller)k up IC555 as well. Is it possi...

stgod 3/8 2008/9/2 12:11
  A hook up with a 7809A
Hey my friends, I need some advice on a small project I have going on. I bought one of those 7" DVD players that runs on 9VDC @ 1.4 amps. I would like to hook it up to one of our electric golf...

yvling 2/6 2008/9/2 15:16
  Digital interface for a landline based telephone system
PROJECT: Building a device, whelloch interfaces with a Laptop. The laptop will communicate with a Microcontroller (via RS232), whelloch is in an external "box." The controller in the box needs to in...

ken7976 16/11 2008/9/2 16:32
  Help please....
Hi! can somebody please help me convert thellos circuit so that it can operate 12 relays? I don't know how to use the IC 74154 demultiplexer in the reciever circuit. My problem is with the reciever ci...

stgod 3/13 2008/9/2 13:44
  computer aided drill
am thellonkin bout makin a milling machellone type thellong, but for drilling holes in a pcb. what i want is when i press a button (right, left, up and down), the drill moves up 2.54mm then when i pre...

lassa 5/9 2008/9/2 15:32
  Problem with DC motor
I had a problem in driving my dc motor. Initially, the dc motor can be moved for few times without any problem. But after 5th or 6th attempt, the motor didn't move at all, however, it did generate som...

wy830115 3/5 2008/9/2 14:30
  need help reducing voltage and current
I need help reducing my car battery from 12v down to 8v and 1.5v The amperage also needs to come down to I persume since my car battery produces somethellong like 800 amps. I am thellonking about usin...

z315 4/14 2008/9/2 14:31
  ghosting in column scanned led array
I have a 5x7 array that I'm scanning (strobing?) one column at a time (5 columns, 7 rows). Unless I scan the columns very slowly, I have adjacent leds also illuminating. At moderate speed, such as 1...

yvling 3/6 2008/9/2 12:48
  Name using a 7-segment display
Can anyone help me display my name using one 7-segment display using Digital Works.

chdd 2/15 2008/9/2 13:17
  r/c car reciever difficulty
Hi all A year ago i bought a nitro r/c car but due to no response from remote its been sleeping whellole. Today when i pulled it out i noticed that the component IC2 whelloch is the second smaller ...

398338 3/2 2008/9/2 11:15
  Simple Calculator
Hey Everyone-- I've been interested in Digital Electronics all my life, and finally, in hellogh school, I decided to take "Digital Electronics 101." It's pretty fun. I finished all the required cur...

gao51755775 3/15 2008/9/2 14:56
  ATJ2085 (audio SoC) used in mp3 players
Hi, Did anyone ever work with the ATJ2085 (a SoC used in mp3 palyers) http://www.yc-dz.com/productimages/1913262567.pdf -What is the device used to program it ? -What is the language of ...

ct731 3/2 2008/9/2 11:18
  a problem with a VCR's clock
i have a panasonic NV-SD235 VCR. when i unplug it from the socket and then replug it the clock is reset to 0:00 i know that thellos shouldnt happen. the VCR should have a backup battery whelloch i...

ybyygu 3/3 2008/9/2 16:03
  LED flasher - help
I need an LED flasher circuit. I need to connect 3 LEDs in series with a 5 volts supply. thanks.

edu 2/3 2008/9/2 15:39
  need help in communication book
hello alll; can any one let me know where i can find free solutions for proakis digital communication.... please if know any website let me know it.. thanks

pdang 3/2 2008/9/2 14:49
  Filling hex file with 0x3FFF
I'm looking at Nigel's example hex file for the 16F88 to blink an LED (http://files.winPIC(program-interrupt controller)prog.co.uk/HEX/16F88.HEX). I noticed the empty addresses are filled with 0x3FFF,...

netlgc 4/8 2008/9/2 13:22
  PIC16F628 counter
Im having trouble creating PIC(program-interrupt controller) based counter system i want to count how many button presses (push and release increases counter by 1) was on RA0 and RA1. i can write...

z4120356 3/5 2008/9/2 16:43
  Reduce battery's voltage by half ?
I know it is an easy question, but I have forgotten all of thellos stuff and am trying to play around with somethellong in my garage. I need to reduce a AA battery's voltage, probably by half (1.5 ...

btcdtc 13/6 2008/9/2 15:25
  Hunting For Projects ? in India
DEAR FRIENDS Total Project Solutions is a India (Bhopal M.P.) based compony provide excellent projects (minor /major) for Electronics & Telecommunications / Instrumentation , Electrical , Mechanical...

knoxville 3/2 2008/9/2 16:20
  Good datasheet sites?
I've been using http://www.icmaster.com for datasheets & inventory with good success, need to know more ... please list what you use

spacebac 4/4 2008/9/2 10:35
  MONITOR TECHMEDIA TCM-1448G
WHEN I TURN IT ON IT SHOWS A VERTICAL LINE FOR MOMENT AND THEN IS DEAD.

ken7976 3/3 2008/9/2 16:17
  transistor equivalent
hello friends i have a problem, whenever i try to get a transistor in market i find them very obsolete one . how can i know whether a particular transistor is new one or old one by its part number....

fusarium 2/4 2008/9/2 11:38
  ARM946E-S projects
ok so i have a ARM946E-S scraped from a Nintendo ds and i was looking for a cool project to do on it. I saw thellos website:http://www-scf.usc.edu/~cfenton/laptop.htm and it looks so cool! i wanted to...

knoxville 4/1 2008/9/2 11:57
  3 Wire Load Cell question
Hi, I'm messing around with some load cells I pulled out of a bathroom scale and I noticed that these load cells have only 3 wires unlike the 4 wire load cells I have been reading about. Does anyon...

edu 2/15 2008/9/2 12:17
  ammeter for standby generator
I would like to build an ammeter for monitoring the load on a “whole-home” standby generator. The generator is single-phase and has a rated maximum power of 12 kW (15 kW surge) and rated maximu...

nnxd 4/5 2008/9/2 13:49
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