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  • totoalas
    replied
    Kcarring
    thanks for the HHO info, I will come back to that after your charger is finished
    As for the toroid, I found one 10 cm dia by 40 cm height 15 0 15 230 v ac transformer toroid which definitely increase the 220 v ac led lamp output
    Will post the vid next

    Shanco
    Great result .... will follow your data thanks i have 6 3.3 uf and only the neons are missing hope to post the results also....


    totoalas

    Leave a comment:


  • ehsanco1062
    replied
    Hi Patrick

    I did complete the solid state Patrick build but I use 5uf 250v multi capacitors (15 caps ) and I am using 220uf 400v and I am using tip 31c transistor and I have 26AWG trigger wire and seven 23AWG slave coils and I am using 6x1n4007 collector to(-
    Attached Files

    Leave a comment:


  • kcarring
    replied
    CT TRansformer

    When it comes to center taps in a transformer...

    I really needed to "see the pciture", I found this DIY article helpful:
    HOW TO WIND YOUR OWN AUDIO TRANSFORMERS

    In regards to Toroids... I have tried to wind one, and I've never had any luck. Does anyone know the permeability number on that special toroid lasersaber has... was there a number?

    Leave a comment:


  • kcarring
    replied
    Originally posted by totoalas View Post
    That's a good one. Have you ever seen George Wiseman's High Output Capcitive Power Supply for HHO? It's an interesting read too. He lives down the way from me, he builds Brown's Gas Torches (among other things), he likes using 220v. He is a guru of using capacitive power supplies to get a perfect match and voltage to his electrolysing plates, keeping current to minimum. Pretty bright fellow he is!

    Leave a comment:


  • kcarring
    replied
    Originally posted by b_rads View Post
    http://home.cogeco.ca/~rpaisley4/LM555.html
    and this can tell you what the output frequency will be for different component values. This site explains the reason for connecting pins 4 and 5 (reset and voltage control) as well.

    I have found this to be a valuable resource and hope others do as well.

    Brad S
    That's quite the home page! Nice find.

    Leave a comment:


  • SkyWatcher
    replied
    Hi folks, Hi kcarring, I guess I wasn't thinking, yes we would just use an amplifier circuit, just like an audio amp.
    I'm so used to building only square wave pulse circuits, don't think I've ever built an amplifier, always a first time, if that time should come for whatever reason, hehe.
    peace love light
    tyson

    Leave a comment:


  • totoalas
    replied
    Transformerless Power Supply

    How to Build a Low Cost and Efficient Transformerless Power Supply

    Interesting stuff you might build

    totoalas

    Leave a comment:


  • b_rads
    replied
    "555" Timer Circuit


    http://home.cogeco.ca/~rpaisley4/LM555.html
    and this can tell you what the output frequency will be for different component values. This site explains the reason for connecting pins 4 and 5 (reset and voltage control) as well.

    I have found this to be a valuable resource and hope others do as well.

    Brad S

    Leave a comment:


  • ehsanco1062
    replied
    Originally posted by totoalas View Post
    thanks eshan for your perseverance still cannot find the 2 x 10 nf 250 v any alternative for the big cap 3300 is it non polarized dc capacitor????

    were almost there
    happy experimenting

    totoalas
    Hi totoalas

    Yes the 3300nf cap 350v is polarized capacitor (E32D401HPN332ME92M) and here is the link

    Digi-Key - 565-3297-ND (Manufacturer - E32D401HPN332ME92M)

    Good experimenting

    Ehsan

    Leave a comment:


  • kcarring
    replied
    Originally posted by SkyWatcher View Post
    The sine wave module sounds interesting, though wouldn't the output be limited to that little board.
    peace love light
    tyson
    I think it's only 1v peak to peak, so it'd need some amplification, is that what you mean?

    Cheers

    Leave a comment:


  • kcarring
    replied
    Originally posted by xee2 View Post
    It is not really a filter. When the transistor pair output is positive then electrons are pulled through the transformer to the opposite capacitor plate. When the transistor pair output is ground then there is no longer a positive charge to hold the electrons in the capacitor and they return to ground through the transformer. The result is electrons going back and forth through the transformer.
    Thanks... It's all learning... for me... very fun! You'll have to excuse my ignorance, I'm not sure what I've built today, so I'm calling it the Kybrator. I'm sure it's basic text book stuff! You tell me! I was studying up, preparing to build a flip flop inverter like Lidmotors / Incroyables. This ain't that (or is it?!), but: it's fairly low draw, and met my goals for the evening.. so it was a success for me, anyway! One more step...

    12VDC -120VAC Mini Inverter Circuit for AC LED lamps 12.3V / 175mA (2.15 watts)

    * I switched to a TIP42C, higher output -- but it seems to be a bit of a noisy circuit. Perhaps TIP31C would work well with this.
    Last edited by kcarring; 12-15-2011, 06:06 PM.

    Leave a comment:


  • xee2
    replied
    Originally posted by kcarring View Post
    trying to get away from that series filter
    It is not really a filter. When the transistor pair output is positive then electrons are pulled through the transformer to the opposite capacitor plate. When the transistor pair output is ground then there is no longer a positive charge to hold the electrons in the capacitor and they return to ground through the transformer. The result is electrons going back and forth through the transformer.

    Leave a comment:


  • SkyWatcher
    replied
    Hi folks, Hi kcarring, thanks for reply.
    It's a simple little code from Matts tesla switch pdf at 'use for the tesla switch' thread.
    Do
    Pulsout 1, 1250
    Pulsout 2, 1250
    Loop
    The Basic Stamp 2 is 2 microseconds per unit, so 1250 is 2500 microsecond pulse and a picaxe uses 10 microseconds per unit, so it would be 250 instead of 1250.
    The sine wave module sounds interesting, though wouldn't the output be limited to that little board.
    peace love light
    tyson

    Leave a comment:


  • kcarring
    replied
    Originally posted by SkyWatcher View Post
    Also want to address your standard signature comment, "Tar sands ? or... Sandy Tires? Ride your bike to work. Complete dependency comes from poor consumer choices."
    The blame game never solved any issues, ...
    Point well taken, I'm gonna change that up! Cheers

    Leave a comment:


  • kcarring
    replied
    Originally posted by xee2 View Post
    @ kcarring

    I replicated your 555 timer circuit using TIP31C and TIP32C. With 12 volts it draws 48 mA on high setting. The bulb is very bright. The transistors do not get hot. I like it.

    video >>> Carrington circuit replication - YouTube
    Nice! Runs better than mine. I've been fiddling around with mixing the source pulse with an amplified ground signal, in the middle of a darlington pair. I got some "flashes" but nothing stable yet. (like in a IMHOTEP CFL circuit) - trying to get away from that series filter. One definite advantage to this circuit is it's very low idle draw. It'd be a nice one to use for garden lighting / shed light.

    Leave a comment:

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