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  1. donkey

    For Sale: 1000v diodes

    i thought i would put them up for anyone who wants them..... in trade i'll take an artificial intelligence with a brain the size of a planet.... or a thank you lol
  2. donkey

    For Sale: 1000v diodes

    nah i found them on a worksite, the electrician said they were "spares" i wish he coulda given me the extra compressor he had.. that was worth a few thousand... all i got was the stupid diodes.
  3. donkey

    For Sale: 1000v diodes

    just gimme an address to send them to. 5 packs of 4. labelled DIODE 1N4007 1000V 1A D041 PK4. first one to post gets them..... something that was a hand me down. not used unopen. may have been stood on as the wire is slightly bent.
  4. donkey

    Help pl..!! Automatic Human Sensing Fan

    as for the ceiling fan, after i pput it in i realised 2 things. 1st to wire a ceiling fan up to my circuit would mean going into the house wiring...never a good idea, and 2 it was the worst choice for representing a ceiling fan....it was a circle. anyway i agree with BobK on the placement of...
  5. donkey

    PC LEDs and temp

    have you figured out the temperatures you want this to go at? i am going of a very poor memory here and think 43 celcius is the highest a cpu will go without damage (very poor memory so please correct me) and what temp will the fans cut off? also at what temps do you want the leds to light up...
  6. donkey

    Help pl..!! Automatic Human Sensing Fan

    ir sensors are notoriously bad if placed incorrectly, not cleaned... the list goes on. also if you set it to be too powerful then it will detect small movements like the fan blowing a page(depending on distance of course). I am unsure if i made myself clear with the idea i said before so will re...
  7. donkey

    Help pl..!! Automatic Human Sensing Fan

    there are devices that check for body heat and motion, there are infared beams, mats you can place near a door with switches in it.... the list of ways to turn things on is growing. the question is what size do you want it to be? you could use something like an infared beam(well my idea is 2)...
  8. donkey

    out of work again :(

    yes most excellent as you are moving closer to me lmao. mate best of luck with it, and hope you enjoy them as much as they will enjoy having you there.
  9. donkey

    Component Identification

    if its from a keyfob it could very possibly be a crystal. if you provide more detail maybe we could help. i give the example of 96 lexcen/commodore... same thing different badge. it maybe that the maker simply relabelled it to be a part number within their system.
  10. donkey

    sound-energy converter

    don't get me wrong the needle moved very little and i remember yelling at it. its just something that i would like to test. i wanna see what principles it was based o too. i guess i'll continue my search. the worst part is dick smith no longer have that exact kit available. i might find one in a...
  11. donkey

    Auto watering to Plants Project Help

    cool ty for the info. i can brainstorm now. have you found a pump yet? i was trying to figure out if we were using dual or a single battery hookup. i could find the parts for you and run through the setup. (i am really interested in this setup i want to do something similiar later) also what...
  12. donkey

    Auto watering to Plants Project Help

    excellent idea on the timer, here in aus we have to water earlier however due to the heat, the sun either evaporates a portion of it or the water acts like a magnifying glass and can burn the leaves... weirdest thing to see water burning leaves. anyway there is a very simple question i have...
  13. donkey

    Help pls !.. special present for a child

    My major problem appears to be with the switch and sound card is this via a small computer or are you using a microcontroller? also how many sounds in total are you after? i may not be able to design it right down for you but for example the ignition and accelerator and brake(screeching tyres...
  14. donkey

    sound-energy converter

    when i was growing up here in aus dicksmith was the electronics store with all the parts. they had a kit for kids that you could make about 200 kits out of. 1 of the kits i have been trying to track down a schematic for. it converted sound (through the speaker of course) to energy (well it made...
  15. donkey

    Solar LED Art Project HELP!!

    if the only thing you plan to use is led's then i see no reason to use an inverter. they're costly, and you need to make sure you get the right one(ones if you need more than one), then there is correct earthing... the list goes on. led's run of 12v (with a resistor) quite well, also the...
  16. donkey

    Wanted Camera w motion sensor,sends pics

    believe in this case the device will have to stay on for long periods of time and a standard cell lasts about a week. the only thing i noticed is the device described runs of 8 aa batteries before you upgrade to include a cell notification. i wouldn't want to spend $300 and stuff it up but i...
  17. donkey

    Wanted Camera w motion sensor,sends pics

    hey mark been busy working so not been on to respond til now and i apologise. i can help you out with locating the systems needed, the thing that i have problems with is the lack of power. most units i know of will use mains power, so you might need some sort of charging station with an...
  18. donkey

    Spark Gap Radio Transmitter

    i would like to know more about ham, anyone who is an operator live in aus and can give advice? also i always wondered if shortwave recievers could pick up any ham communication. that would be fun to listen in. and lastly the legal aspects of using a predefined frequency over a large distance...
  19. donkey

    Wanted Camera w motion sensor,sends pics

    there are premade kits that have both, i could list a few sites, but the question becomes what do you need? swann for example have a model that is recorded to a laptop but the software supplied allows access from anywhere in the world. there are recievers that have a server built into it. also...
  20. donkey

    Newbie for switching using relay

    if i understand this correctly a spdt relay might work(dpdt are eaasier to find for me though) and if you give us a schematic or even a pic we could possibly help further. if you need help to explain what spdt means feel free to contact me cos this i can cover easily and even make a quick pic to...
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