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  1. MP1

    DC Motor Booster

    If we had a diagram of your device, one might suggest changing the gear ratio so that you get faster movement. However, when you increase speed with gears, you lose torque. Not sure if you have enough reserve power from your drill motor to do this or not. If you are powering the drill motor from...
  2. MP1

    New to electronics, designing water temp sensors circuit for PC use, need ideas

    Without a little extra HW and SW, the LPT port will normally give you an 8 bit word. Is this all you need? If so, you can use something like a LM34 or LM35 in a sealed case setup to send a predetermined voltage signal to the parallel port. Feed this voltage to a set of 8 comparators which will...
  3. MP1

    New to this...I want to replace my car's mirrors with rear-view cams.

    ...another thought has occurred to me...you do not want to replace the mirros. You just want to enhance them with this item. If you replace the mirrors, you would have no way to see what is behind you when your car stalls or if you have an electrical problem. MP
  4. MP1

    New to this...I want to replace my car's mirrors with rear-view cams.

    Earth LCD has a package for this that might be of interest to you. (Personally, I would use wireless) Go to http://www.earthlcd.com/ ezlcd is one of the kits that they have packaged for those looking for all the parts in one solution. But they also have plenty of resources and individual...
  5. MP1

    Sequential Timers with PWM Motor Speed Control

    I e-mail the pictures from my cell phone to my e-mail address to transfer them to my pc. Do you have e-mail on your cell phone? This is the easiest way. MP
  6. MP1

    MOVED: ifared leds...

    This area for discussion of projects in our projects section only. Thank you for your assistance in keeping this forum organized. This topic has been moved to Circuit/General Requests. http://www.electronics-lab.com/forum/index.php?topic=4143.0
  7. MP1

    MOVED: Par Can Lighting Project - Advice needed

    This area for discussion of projects in our projects section only. Thank you for your assistance in keeping this forum organized. This topic has been moved to Circuit/General Requests. http://www.electronics-lab.com/forum/index.php?topic=3787.0
  8. MP1

    MOVED: Another Power Supl.: 0-15V with 0-30A

    This area for discussion of projects in our projects section only. Thank you for your assistance in keeping this forum organized. This topic has been moved to Circuit/General Requests. http://www.electronics-lab.com/forum/index.php?topic=4213.0
  9. MP1

    project idea required

    Yep. Sounds like an engineering job for a manufacturing firm. Build something that is really not needed, but is hard to come up with and is different than other things on the market and, oh yeah, we keep the copyrights....<chuckle>. Just said it a little different  ;D MP
  10. MP1

    Just got new chip..

    Thanks. I will send him an email request for some various samples. I will let you know what I receive. MP
  11. MP1

    Just got new chip..

    Who did you email? I would like to request one. Thanks. MP
  12. MP1

    veroboard pen: minor cuts and failure :'(

    Yes!! MP
  13. MP1

    project idea required

    It seems like we are getting lots of requests lately for project ideas for final year student projects. What are you guys going to do after you graduate and your boss tells you to design something? Ask others on the Internet to design it? There is a reason your instructor wants you to think of...
  14. MP1

    Just got new chip..

    It is a carrier board for FTDI's USB chip. You can use it to design devices that communicate with the PC via the USB port. The TX and RX lines can connect directly to your Microcontroller's serial bus. FTDI is a nice development platform since they provide the drivers needed for the computer...
  15. MP1

    LED in series stops circuit working

    Richard, ante is correct in his comments to you. Current is the same throughout a series circuit, so your fan is not going to get enough current to run when it must first go through the LED. You want a LED connected to a resistor to ground. If you have a 2 volt drop through the LED, then you...
  16. MP1

    need help... urgent!! plzzzzz

    You want to use the correct capacitors. It does make a difference. Besides, this is not a hard cap to find. You should get used to keeping a good selection of parts if you are going to be buiding projects. If the comparators do not function as intended, then your sensor will be unreliable. The...
  17. MP1

    The Link 4+0-Internal Intercom-Help me out!

    I downloaded the word version of this project to see if I could hep you, but it does not have a Bill of Materials. Most of the questions you have can be found by using the data sheets for the parts. The 1K to 8 ohm transformer is very common for anything connected to a phone line. Perhaps you...
  18. MP1

    sink vs. source? explanation please

    a plumbing store is a good source for a sink.... ;D A little humor  ::) MP
  19. MP1

    I need a Partner for develop a new product

    I hear what you are saying...but this website is not trying to sell anything,  ;) MP
  20. MP1

    ElCheapo PSU

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