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  circuit design for automatic door security system
Hi all, can you pls help me out to get the circuit design of password based door security system. here the door should only be opened if the password entered is correct else it should sound the alar...

spacebac 2/7 2008/8/29 20:12
  Help urgent!
Hi, I need to interface my PIC 12-hour clock to another PIC stepper motor controller, had anyone here has a simple schematic for me? What I want to do is to set a time for the clock and at the mome...

netlgc 2/5 2008/8/29 20:03
  555 Timer in Pspice
Hi, I want to use 555 timer in Orcad pspice 9.1 (student version). I downloaded the files from internet: anl_misc.olb anl_misc.lib and copy them to the directory: C:\Program File...

nnxd 4/3 2008/8/29 20:01
  CRO ebook
this "ebook" is a stored web page and deals with Cathode Ray Oscilloscopes. http://talkingelectronics.com/CRO-Ebook-1/CRO-EBook-1.html A newer zipped version can be obtained here: http://talkingele...

spacebac 4/1 2008/8/29 20:30
  link to 1667 schematic of all electronic area
See http://www.commlinx.com.au/schematics.htm Best regards. Mr.Cube

btcdtc 15/1 2008/8/29 20:35
  Current Contoller Circuit
Hi! I want to make a current controller circuit for a DC Brushed Motor. Can anyone suggest circuitry?

addxjyx 3/4 2008/8/29 20:24
  NEWS - NEW PROTEUS 6 RELEASED !
What's New In Proteus Version 6.00.00

bubulu 10/4 2008/8/29 20:35
  need usbscope50 tiny usb oscilloscope schematic
usbscope50 is very tiny usb scope,i also want to made a home scope,anyone can send me usbscope50 schematic. Added after 5 hours 14 minutes:

fusarium 14/6 2008/8/29 19:59
  Car Radio...
Has anyone ever swapped the CD drive in a car radio with a DVD drive?

spacebac 4/1 2008/8/29 20:18
  Wireless IR Timer/Stopwatch
Hi all, I am starting a new project. I am an electronic engineering grad who also is a serious athlete. I would like to make something that will measure my sprint time over various distances accura...

chdd 3/1 2008/8/29 20:22
  How to measure Terrestrial TV signals level ?
Good evening, I'd like to design a circuit to measure the terrestrial TV signal level (measured in db礦) on a display. As you well know, this is a function available on a TV Field Strength Meter. ...

ybyygu 3/4 2008/8/29 20:06
  helppp
Hello guys, Plz tell me that I want to count lumps of CLOTH on the moving belt ..How i can i do---I think this is possible by means of infrared ....but how...plz plz do reply Secondly tell me tha...

addxjyx 5/1 2008/8/29 20:09
  Need help regarindg design of triggring circuit for thyristo
hi i am working on induction generator in that i cold not design triggering circuit of full controlled thyristor bridge rectifire...thyristor rating is high order of 40A i tryed with UJT triggering ci...

chdd 3/1 2008/8/29 20:04
  TV Antenna HF-VHF-UHF Booster
Hi, Here it's Bye

hualeyan 4/1 2008/8/29 20:31
  digital calender help
hey can any body help me in 8051 based digital calender???

yvling 3/1 2008/8/29 20:02
  PIC based power meter
What you think about attached wattmeter design?

z315 6/2 2008/8/29 20:34
  Offset
i have a circuit with supply voltage of 10v, and i need to make an offset of about 20v to change the output voltage of the ac signal , is there anyway to do so. regards

ybyygu 2/2 2008/8/29 20:22
  I need help for basic IO controls
I need some suggestions on the issue of the asynchronous serial data transferring circuits. A simple, maybe, circuit with low power to detect asynchronous serial data input is needed in a low power co...

fusarium 5/1 2008/8/29 20:32
  Help A/D PIC16F877
how I must use converter A/D with 8bits?

stgod 7/8 2008/8/29 20:24
  Which ROM IC to use for interfacing with AT89S52?
Hi, I have never used an AT89S52 with external 64K code memory. Can you please suggest which IC would be the best one? I only need external code memory as the internal RAM would be sufficient for ...

z315 4/3 2008/8/29 19:59
  Astable Multivibrator
How to make this circuit running 24V 3W Bulb?

mxg330 3/5 2008/8/29 20:11
  Help plz for car MP3
hi, i have purchased a car mp3 player with fm transmitter (china made). it works fine for some days. but now not working, neithor with PC (to add more songs) nor playing songs. only lcd back light is...

addxjyx 5/4 2008/8/29 19:57
  Want any electronics products opportunities!
Dear Lady/Gentleman, We're a Electronic devices producer from East China. We focus on customized electronic products making. If you have any interests in outsourcing your works to us. Please le...

booksir 3/2 2008/8/29 20:02
  27MHz Radio Control System, my very first one...
Hi RC electronic buddies, This is the very first one i made from PW 1979 issue. Feel free to ask any thing about it and I will be glad to help. Regards

netlgc 3/19 2008/8/29 20:03
  magstripe card reader/writer
hello, im trying to do this project and i was wondering if any of u knew of a good manual on how to build a magstripe card reader/writer. i'd appreciate if anyone can point me in the right direction,...

wyslnhhh56 3/8 2008/8/29 20:01
  Variable speed trigger converted to variable speed knob
I have what should hopefully be a simple question. Please forgive my ignorance, my knowledge in this arena is limited. I have a trigger from a variable speed powered screw driver that I want to re...

z4120356 3/2 2008/8/29 20:09
  datasheet of LA4301
hello, anybody got an idea on how to get the datasheet for LA4301? I am not sure about the manufacturer, most probably it's made by Sanyo. I've search through the net, but seems like only Sanyo's LA4...

ai8957382 3/2 2008/8/29 20:19
  Ambilight idea
The idea is to use the cvbs-out from the scart connector, convert to RGB - sample the signals - process with alogrithm - output into LED's RGB and white Any idea on chips to decode the cvbs into r...

nnxd 4/2 2008/8/29 20:16
  IR repeater
Dear guys, I am doing IR repeater for my own hobby. Receiving module is from Vishay TSOP7xxx that could detect well beams out from remote control. I am using 555 IC to regenerate 40KHz exactl...

spacebac 5/2 2008/8/29 20:31
  CGA signals to Webcam Video format
Hello, I have a project where I am trying to convert CGA video signal (RGB and composite video) to a format that it can be plugged into a standard video card. E.G. If I could get it to the video fo...

ai8957382 4/1 2008/8/29 20:31
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