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  1. gogo2520

    Logic Level Mosfets

    Hello   I recently started a project, making a step motor controler board using IRLZ44 Mosfets (hex Mosfets) to control the power source to the motors. The way I understand them is they are either on or off no inbetween so if I set the circuit fo 12 volts when the mosfet is trigered 12 volts is...
  2. gogo2520

    Home made CNC machine

    Hello    I have been reading about making my own cnc machines for years and slowly I have been saving different parts, saving different designs. and reading just about anything about it.   So here is what I got.     The actual machine   idea. http://makeyourbot.org/machines  The whole...
  3. gogo2520

    OOPS I droped my laptop PS in a bucket of water

    Hello murffy's law took over at work the other day and my laptop PS paid the price now I have to decide weather to buy a replacement or build one. right now I got the laptop running off a bench top PS. the computer still works. I could try to fix the wet one but I have took them apart before and...
  4. gogo2520

    Making PCB's

    Hello  I have been making my on boards for about three or four years now but I ran into something different I wanted to try.   I picked up a package of White TRF Foil. You know the stuff that is suppose to stick to toner. Thought I would try making a nice silk screen with that.   Problem is...
  5. gogo2520

    Re: Relay

    Hello leo     Here is a good discription of relays http://www.kpsec.freeuk.com/components/relay.htm Are you talking about double through to single through or do you want to use the relay for high voltage transformer stuff.
  6. gogo2520

    What are Solder Pots used for

    Hello Everyone     I was just woundering , What are solder pots used for? Some how in the back of my head I got this image of a solder squirt gun hooked up to one, da. I have seen them for sale but have know idea what they are used for.                                               gogo
  7. gogo2520

    Hi Five for Radio Shack

    Hello         I'm am new to electronics, I read a lot off the web and have a little understanding. Lately I have been disasmebleing old printers for the stepper moters and stuff. Now I have a solder sucker one of those spring loaded ones, it works. But today I went to the big town were there is...
  8. gogo2520

    B1382

    I have a Transistor I pulled out to a power supply. Only markings on are SK B1382 Its a to 39 package.                       any help                               Thanks gogo
  9. gogo2520

    Help with MJ4502 Transistor

    Hello     I have been reading data sheets and could use some help. I wan to build the power supply on the LM350 data sheet. The problem is in one of the power transisters MJ4502, I don't have one and I would rather use something I have instead. What I have is heaver the the MJ4592. I was...
  10. gogo2520

    Stepper motor controll

    I have a project in mind.     I would like to make a tester for stepper motors that I could but on my bench, Something that looks pro. The mcu would be a Pic 16f628a or 48a.     Need to have to Voltage output. One +5 volt for the Pic and Logic. Other 12 - 30 Volt for Motors ( would like...
  11. gogo2520

    Nec D560

      Hello I took apart an old Nec printer, good a lot of good parts but I ran across some power Transistors Nec D560. I can't find anything on em.  I could use some help.                               Thanks gogo
  12. gogo2520

    Calculators

        Check this out http://www.martindalecenter.com/Calculators.html                           Have fun                         gogo
  13. gogo2520

    Hex Non-Inverting Buffer

        I was looking at different stepper motor controllers and I was thinking of making this one for a bench test controller. But I don't understand what the cmos dose.                                         thanks gogo
  14. gogo2520

    Vectorbord or Veraboard

    Someone was looking for large sheets of this stuff a while back and I ran across this http://www.alliedelec.com/Search/ProductDetail.asp?SKU=977-8134&SEARCH=9778134&ID=&MPN=169P84WEC1&DESC=169P84WEC1                           Have fun gogo
  15. gogo2520

    Help with stepper motor wires

    Hello I have a unipolar stepper motor         Part # PM35S-048-HPE8         Made by NMB     Its a small motor , runs off 12 volts.  I am just trying to understand the wires.     Theres 5 wires coming out of the motor       colors are like this  Yellow  Brown  Black  Green  Red.  In that...
  16. gogo2520

    Using Eagle Software

      Hello     I could use some advice. I use PCB Wizad software to make my PCB's I llike the program but it  has a small component library. I do make my own symbols and it is easy to do.  But I want something  better.         Eagle's software looks good and $125.00 for a noprofit license is not...
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