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  1. Codyhtml

    Plants wattering watcher

    Hi i've been inactive for a while but I have a question I would like to use the plants wattering watcher (1 or 2) to monitor the moisture level in a compost pile. but I need a little help modifying it idealy I would like to have a bar graph display (out of LEDS) Rather than a blinking led. ...
  2. Codyhtml

    Watts , amps?

    I am a little confused about these if somebody could define them for me and help me understand the difference i would be glad
  3. Codyhtml

    Dt38 921

    hello i bought one of these http://www.allelectronics.com/cgi-bin/category.cgi?item=IR-13&type= and the ir reciever it has has a part number DT38 921 on it and i need a datasheet to find out if i can use it for my projest or if i need to replace it  it is in a square metal package and  has a...
  4. Codyhtml

    transformer

    hello for my security system project that i'm working on i need to use a wall transformer. because the ir leds that i will be uusing to trigger it will need to be on most the time or my system would be useless. so it would probably draw anout 100ma so batterys would be unreasonable. but the wall...
  5. Codyhtml

    solder

    hi i have some solder and when i make a joint with it it never goes shiny so i got out a bit of flux and dipped my iron in it still no shiny joint i make a joint with my other solder shiny but i'm running out of that solder (time to order some) but any way i can't get that solder to make a good...
  6. Codyhtml

    Pellet Gun target

    I want to make a target for my pellet Gun that will light a led to show what area of the targer was hit. I thought i could just use lke a 555 or 558 as monstablemultivibrators but i don't know what kind of switch i could use to tigger it. i would need a some kind of materal that could have the...
  7. Codyhtml

    oh my goodness

    I Just noticed that i'm a Jr. Member now yay i'm not a N00B Any More  ;D ;D ;D :) :) :)(hehe) And what are the post count requirements for each level
  8. Codyhtml

    perfboards

    how do you draw the traces and stuff like conect the wores together when there are no traces do you just solder small pieces of wire to the same joint or do you somehow draw it with solder? i can't conect things together very good
  9. Codyhtml

    Solder Fumes

    Hello When i solder i have a herd time keeping away from the fumes and i don't have an effective ventlated space also what do you guys (and girls ) do to keep fumes away besides using a special fume sucker because i can't aford a thing like that i have tryed a fan blowing the fumes away towards...
  10. Codyhtml

    Lie Detctor

    Hello For the lie dector progect on this site i want to buy my parts at the local radio shack (closest stroe to me about the only store i think) and they don't have a 33k resistor could i use a 22k 10k and 1k in series? i figured i could and they don't have a 1.5k there would just a 1k work ...
  11. Codyhtml

    Buy parts

    Just wanted to know the best place for parts i live it USA ps i forgot to add other to poll just pick somthing
  12. Codyhtml

    LEDs

    ??? Dose Any Body Know What Kind Of Resistors To Use On a LED I Got Some LEDs From Old Circut Bouds and I've Heard That Too Much Power Can Dammage A Led And You Need A Resistor But I don't know what resistor to use ??? :-\ ::) Ps Can You Guys Tell Me What Colors Are On The Resistors ...
  13. Codyhtml

    Changing 12v to 24v with out a transformer

    Hi I Need Help Fast I Have a old computer power suply and i want to get a 24 V Corrent from it But i can't affored a transformer ??? :'(
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