Search results

Search Forums New Posts
  1. mixos1

    FM Antenna

    Here are some instructions to build a ground plane antenna suitable for FM transmitter: http://www.geocities.com/tomzi.geo/antenna/antenna.htm You can also use some other kind of antennas like dipoles. Here are some links with instructions: http://www.kyes.com/antenna/build.html...
  2. mixos1

    ExpressSCH components

    Hello Staigen You can freely upload them in a file (zip or anything else) here in forum like a message's attachement. The max allowed size is 1MB, hope you don't need more. Make a reply and under the message box is an "browse" button. Add the file there and click "Post". Wait some time to...
  3. mixos1

    Single chip H-bridge

    If you are searching a single chip H-Bridge rated at 3A/55V you can try : LMD18200T Datasheet LMD18201T Datasheet L6203
  4. mixos1

    0-30 Vdc Stabilized Power Supply

    Right, you use the same 4 diodes to build the bridge. Here is the datasheet of 1N54XX: http://www.onsemi.com/pub/Collateral/1N5400-D.PDF The 2A diode means that the diode must be 2A or more. The 1N54XX are 3A so it's ideal to use them. Also the RAX GI837U is an alternative diode or bridge...
  5. mixos1

    Keys finder circuit

    Are you ready to build it :o ?? Here you will find some great Hight Voltage Power Supplies using a TV's transformer: http://www.geocities.com/CapeCanaveral/Lab/5322/hv2.html
  6. mixos1

    Keys finder circuit

    It's just for educational purposes :D ! But... it is used also to ionize your room.. so you don't have to buy a commercial ionizer to keep your room's air fresh ;D!
  7. mixos1

    Keys finder circuit

    Great work EDY !! You won an ION MOTOR CONTRUCTION GUIDE ;D : Ion_motor.pdf
  8. mixos1

    Transistor tester

    I suggest you to visit the author's site here: http://home.maine.rr.com/randylinscott/ and email him with your questions. The transistor tester is here: http://home.maine.rr.com/randylinscott/nov97.htm Don't forget to post the results and what caused the problem!
  9. mixos1

    3D Scanner

    Here we are: Homemade 3d laser scanner: http://www.muellerr.ch/engineering/laserscanner/default.htm Excellent :D !
  10. mixos1

    Notes on the Link intercom

    History of the Link Designs The Original 2 Phone Link Design is the updated version of the very first Link circuit that I designed for Silicon Chip magazine here in Oz, back in 1996. It was a bit hardware heavy, (nd therefore expensive for what it would do) having two heavy duty relays and two...
  11. mixos1

    posting circuits

    One way is to upload them at the upload Center an EDY already mentioned. You will find the upload center here: http://www.electronics-lab.com/action/pr_upload Make sure you zip every project (schematics, text etc) in one file. Then i will download them and i will add them to the projects...
  12. mixos1

    Notes on the Link intercom

    The Original 2 Phone Link Design This is the updated version of the very first Link circuit that I designed for Silicon Chip magazine here in Oz, back in 1996. It was a bit hardware heavy, (nd therefore expensive for what it would do) having two heavy duty relays and two by two transistor...
  13. mixos1

    Notes on the Link intercom

    Dear Mike, I've been tinkering with the Link A2B+1 design and have come up with another version, which might suite some folks, who just want an intercom. Similar to the original pulse dial version, except that it uses DTMF tones, has only a two wire circuitfor each phone and uses the RTC ring...
  14. mixos1

    Service Manual for Hewlett Packard 1024

    There may not be a specific service manual availaible for this monitor. You can use otherwise this generic monitor service manual: http://repairfaq.ece.drexel.edu/sam/monfaq.htm
  15. mixos1

    Transistor tester

    This is right.. Go ahead.. build it and post your comments. Be carefull when you build it...
  16. mixos1

    Capacitors Codes

    You are right EDY :D !!
  17. mixos1

    Online Service Manuals

    Here is a list of service manuals online: Notes on the Troubleshooting and Repair of Small Switchmode Power Supplies: http://repairfaq.ece.drexel.edu/sam/smpsfaq.htm Troubleshooting and Repair of Consumer Electronic Equipment: http://repairfaq.ece.drexel.edu/sam/tshoot.htm Small Household...
  18. mixos1

    Capacitors Codes

    Here is a great article about how to read capacitor codes... http://xtronics.com/kits/ccode.htm
  19. mixos1

    New! Photo Gallery

    A new photo gallery with electronics related photos launched. It resides under Action section. It consists of 6 categories: old Radio museum, Electronika 2003, exhibition, inside a CRT, general, wallpapers, your laboratory. I am waiting your photos to add them also. Visit Photo Gallery...
  20. mixos1

    Locater

    Check: http://electronics-lab.com/projects/models/003/index.html http://electronics-lab.com/projects/models/010/index.html
Top