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  1. steven2

    Speaker

    sometimes those volume controlls collect dust inside them, when this happens, everytime you turn them you get noises so you can clean them out by spraying then inside with crc, the same stuff you use on a car to free up rusty bolts or rid mioster from them, use a thin straw like attachment to...
  2. steven2

    Solder Fumes

    :)i use a fine piont low tempiture soldering iron and fine soldering wire to go , unlike  that thick old soldering wire in the seventies full of that yellow smelly flux which is awfull to smell , these days it dosent smell to bad  and i solder at  a distance where any smells are no problems
  3. steven2

    IC TESTER

    :)if its an ic tester you seek serch the forums ive posted ic testers to them before, even the logic ic tester , pin number one basically starts at the top left corner of the ic and the round indentation on that ic marks where the pin count starts from  in the anti clockwise direction , as for...
  4. steven2

    [UPDATE] Electronics-Lab moved on a NEW server

    anytime mixos
  5. steven2

    I need a push button switch

    :)if you need a push button switch try the old dipper switch they used to be on the floor of many cars and you push them to dip your head lights, i myself was gona use one to kill the coil circuit in my car  as a coil kill switch,  so my car engine would just stall and the car would just roll...
  6. steven2

    MOSFET for high voltage and high power

    ;) you need a triac for switching ac voltage
  7. steven2

    how do i make a bedroom door alarm

    i hope this helps the simplest bedroom door alarm  i used a battery, or you can use a transformer ,and some metal contact s, both on you door and door frame and a dc buzzer now when your door is opened the metal contacts on the door contact the metal contacts on  the frame thus setting off the...
  8. steven2

    Ignition coil driver circuits and experiments

    :) alun thats the ignition coil driver i use and i use the irf540 n channel mosfet, and on another i used the irf740 mosfet , and with the irf740 mosfet the sound of the circuit in action is low frenqeuncy
  9. steven2

    Ignition coil driver circuits and experiments

    :) with these high voltage circuits i biuld as prototypes ,with the schematics ive collected, ive put them upstairs in the main bedroom right next to my side of the bed , and in the home made pvc circuit boxes i designed. ,2 of them circuits have a 12 volts rechargeble lead acid cell battery...
  10. steven2

    need some project help or ideas

    :)i used to have the red baron bounty hunter metal detector and i found plenty money with it and its discrimination abilities was excellant k but if you look at some links somewhere in the forums where someone posted the dtuff on metal detectors before the links will take you to a site where...
  11. steven2

    HV power supply

    :)it looks like a high energy radio frenquency device here ,known as the herf gun ive posted the circuits for this in reply to a post somewhere in the forums, before.
  12. steven2

    How to tell if an old electrolytic cap is good

    i have a box full of capacitors but i had them upstairs in the wardrobe for a while, and its been hot there so i hope they still work ok
  13. steven2

    Logic Gates IC Chips

    hey felto i posted the circuit to biuld a logic ic tester sometime ago , serch the forums youll find it
  14. steven2

    IC projects

    ;)if you serach the forums youll find circuits that use ic s like the timer tester and 556 tester and the ten led light chasser and the logic ic tester and the 741 ic tester
  15. steven2

    Voltage Reducer

    ;)strange ive seen components that look like regulators but they reduce the voltage instead
  16. steven2

    stun glove

    audio guru thats right and you see that small transformer in the camera photo flash unit , well in the case of the high voltage photo flash capacitor charger i used the next best thing , a disc shaped flyback without the biult in high voltage trippler and i used the half wave rectification...
  17. steven2

    suitable Replacement for transistor

    :)the 2n3643 to-105 npn is a gp amp and switch it is allso comparable tp the bc337 transister of which is comparable to the 2n3642 transister
  18. steven2

    stun glove

    hello audio guru hows my favourite expert going. my high voltage photo flash cap charger charges a photo flash cap fast and i can slow it down by adjusting it , now that stored charge i can dump it into maybe a marx, anyhow i used the same photo flash cap circuit to charge a 47uf 350 v olts...
  19. steven2

    stun glove

    the photo flash cap ive got a colection of these and even with one charged up with a photo flash camera unit , i dont feel a thing untill i conect another photo flash capacitor to the first then i sure feel it , look in the high voltage stuff section you will find some ideas that may be of use...
  20. steven2

    Radioastronomy

    the spider ereal was a wooden frame and on the outside was a thin copper wire this was in a sqaure shape and inside that was another wire spaced apart from the first outer wire and so on untill you get to the middle , now theres another wire that links each wire so it looks like a spider webb...
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