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| Title | Author | Views/Replies | Posted at |
 PIC and LCDI picked up an LCD screen from all electronics, I want to get into interfacing it with my PIC chips. Some of the third years at my school are using a prebuilt chunk of code to interface with it. I hav... |
addxjyx | 4/2 | 2008/9/3 20:37 |
| Usb Charger... Well I have a candy tin and wanted to put a 9v (battery) input and a 12v (car) input. And have it go out to a female USB port. I need one of these http://www.thesource.ca/estore/product.asp...line&tab... |
btcdtc | 7/11 | 2008/9/3 23:01 |
| Audio Headset Hey everyone.. I have a problem.I have a communicator headset for my bike. There are two headsets that consist of a mic and an earpiece (speaker). They are linked through RF so that my wife and I can ... |
pdang | 3/8 | 2008/9/3 20:36 |
| Toggle to Momentary Any ideas on what would be the easiest way to take an on/off toggle switch and have it act as a single push on a momentary switch also?I want the toggle to be an on/off switch for a circuit but also t... |
zunwang | 3/10 | 2008/9/3 20:26 |
| Low Voltage Drop Transistor Is there such a thing as transistor with a forward voltage drop of 150mV or less when used a saturated switch?Peace, Rouslan |
hualeyan | 3/7 | 2008/9/3 22:22 |
| Project: Tactile Flexible Oled Keyboard Hello guys,i'm searching for the perfect keyboard for a long time now, but i still haven't found something good enough or cheap enough. The best solution was datadestech's smartboard. but they seem to... |
gao51755775 | 4/17 | 2008/9/3 20:45 |
| Help I just brought a HD44780 16x2 hitachi LCD. I have connected it to my PIC16f877 but there was only black boxes display on my LCD screen and no word on the screen. May I know how to test my LCD to make ... |
gao51755775 | 4/4 | 2008/9/3 21:09 |
| Charade for smart guys The charade say:if we have three pens, how we can form 4 triangles by it? Ice cream to the person whose solve it Abdulla |
z4120356 | 3/25 | 2008/9/3 22:15 |
| CD4538 needed Hey guys,fixing something for a friend,and I need a CD4538BE,Does anyone happen to have one (or two) in thier parts collection for sale/trade? |
hgping | 3/2 | 2008/9/3 21:20 |
| Need help for my project... Hey... I'm working on a heartbeat detector & monitor (using photodiode & detector not microcontroller) for my mini project and need help in designin it... Any kind of help will be greatly appreciated.... |
htc2498 | 5/12 | 2008/9/3 20:32 |
| My Dmm Stopped Reading Amps Hi,It seems like my DMM doesn't read amps anymore.i'm running voltage into my protoboard and my meter reads it fine. 3.23v but if i turn the DMM to read amps it's always 0 at 200mA or 20mA settings. b... |
z4120356 | 16/22 | 2008/9/3 23:05 |
| telephone circuit i need a telephone circuit needed for some purpose.i need complete internal diagram of a telephone or a cellphone.suchthat iam interested in doing some project based on it for which i need telephne i... |
rickli | 7/7 | 2008/9/3 21:23 |
| wireless audio link hey guys i think this is the right forum to post this on , if not let me know.i want to build a wireless link between a cd deck and a mixer but the link would be basically the same as that between a c... |
398338 | 4/13 | 2008/9/3 20:51 |
| Which Pic ? Hi, I need some modern advise about PICsIm thinking about getting started in PIC programming.Ive never done it before.Which are the best PIC chips and required tools to start with ?Is there a modern P... |
fujun2013 | 3/4 | 2008/9/3 22:27 |
| Power Factor Correction Hi All.I'm having trouble with a question from one of my assignments. its about power factor correction.200V 50Hz supply feeds three loads, RLC in parallel.R is drawing 6A at unity power factor.L is d... |
gao51755775 | 2/6 | 2008/9/3 20:42 |
| Overvolted Power Supply I'm trying to buy a subnotebook for cheap, and I've found an auction for one that is being sold at a very reasonable price (about 40 for something that usually costs 200).Itty bitty problem: it's bein... |
rickli | 5/8 | 2008/9/3 22:37 |
| Wanted (willing to trade) First off, Howdy All. I remember about a half a year ago a member had a lot of 12v lamps with long wire leads. If they work at 12 ac I am in need of quite a few. I am willing to trade or buy. If I don... |
wyslnhhh56 | 6/17 | 2008/9/3 22:20 |
| LCD Batron Hi all, Ive got a 4 x 20 LCD but can not get it to go, it is new. According to the data sheet all the connections are standard. Can anyone shed light on this? The LCD is a Batron BT42005 and connected... |
pdang | 24/5 | 2008/9/3 10:57 |
| key fob hello all.. im new to the forums and new to electronics in general. i was wondering if anyone can tell me about making my own key fob switch to transmit and a receiver to receive the signal. also if ... |
btcdtc | 5/5 | 2008/9/3 21:14 |
| Disk drive molex connector I am trying to find the molex connectors that would connect to the 4 pin connectors off of a PC power supply.I want to tap into the supply without cutting anything up on it.This would be the same conn... |
z4120356 | 4/9 | 2008/9/3 21:38 |
| Preamp with Tremolo Ok, drew this design up.(basically the front-end off a fender bronco. *shrug*)seems nice and simple, I just need to build my super power supply i never get around to doing, first.http://members.shaw.c... |
saigu | 12/12 | 2008/9/3 10:57 |
| Representation of negative number in hardware This is about 1's complements.say you have 100 and they tell you this is a 1' comp. does this mean that you invert the numbers to 011. now we know 011 is 2. does this mean that 100 is -2?thanks |
hualeyan | 2/12 | 2008/9/3 20:20 |
| dual focus My sony trinitron CRT has two focus POTs on the flyback, both labled 1, and 2...Why is there two? One seems to adjust the overall focus, and the other seems to focus the horizontal.. |
naoge | 17/8 | 2008/9/3 22:07 |
| Rs-232 Connection Question I'm having a problem with an RS-232 connection .My new multimeter comes with a serial cable for connection to a PC which consists of 2 wires. One goes to pin 2 and the other goes to pin 4 of a DB9 co... |
ybyygu | 4/13 | 2008/9/3 22:39 |
| Pix:Weirdest oscilloscope (to western standards) I found this page about a USSR-era oscilloscope from 1990:http://sylvainm.free.fr/sov/c1-99-1.htmInsides:http://sylvainm.free.fr/sov/c1-99-2.htmhttp://sylvainm.free.fr/sov/c1-99-3.htmI have never some... |
chdd | 3/12 | 2008/9/3 21:51 |
| Connector fitting question? I have a component board (from a manufacturer) that is two parts that connect to one another by a male/female connector set. It is necessary for me to have each part separated from one another, and I'... |
ybyygu | 3/3 | 2008/9/3 21:09 |
| PWM and low pass filters Hi there guys Here is my problem:->I am converting an analogue signal with frequency of 4kHz into a digital bit stream using an A/D converter.This bit stream is then fed into a AVR microcontroller (at... |
knoxville | 11/15 | 2008/9/3 21:27 |
| R/Channel in Old Amp Blown. Ideas? I own an old Pioneer (SA-410)(1970's)stereo amp,that has had the right channel speaker output blown.Set top box aux was accdntly plugged in with no vol control.Speaker still works so need to find prob... |
scuzt | 5/6 | 2008/9/3 21:35 |
| Differential amplifier and constant current source A differential amplifier is used with a constant current source because as the current in one side is reduced, the current in the other side rises, so that the total current remains the same. Also the... |
chdd | 5/3 | 2008/9/3 21:17 |
| Good Electronics Tutorial? Hello!Before I begin, I just want to say that I do have some experience with building electronics. I now what wires do, I've soldered before, I know the solder types, etc. But I don't know what each i... |
yvling | 4/5 | 2008/9/3 22:26 |
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