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Search results: 190   Output: 51-60
  1. This circuit is for detecting any audio signal with justable noise offset. It could be used to generate a radio mute signal eg. from a PDA. The circuit is consisting of: Input impedance Signal amplifier Rectifier Justable comparator (Noise offset). ...
    31-03-2008
  2. Have you ever thought of making your own portable speaker in a CD case? Here is how you do it. Components required 8 W speaker with 4 ohms impedance CD case ( Use the one with a zip would be good) 18 W Amplifier module (I used the Kemo #M033, you ...
    22-03-2008
  3. Nophead Although I am fortunate enough to have a project room which is nearly 3 m by 4 m, as you can see it almost completely full of junk. The large glass fronted MDF box on the far left next to HydraRaptor is a 400 CD jukebox that I designed and ...
    04-03-2008
  4. Tony Sambuchi I recently purchased a new cell phone and wanted to play my MP3's in my truck. My truck has the factory radio in it and did not alow me to do this. I once used a FM linker to play my MP3's but found the music quality very poor. This ...
    18-02-2008
  5. Rajkumar Sharma Specifications The Tiny Audio Amplifier kit is a good choice for battery operation. It is based on LM386 IC . Power supply - 6 - 12 VDC Output power - 1 W, 8 Ohm The quiescent power drain is only 24 mW when operating from 6 VDC ...
    Circuits » Audio » LM386
    06-02-2008
  6. A homemade speaker using a plastic cup, business card, wire, magnet and some Lego blocks. I built this speaker from scratch; I was surprised of the quality of the sound. I doesn't look like a high-tech speaker but it works well. I didn't expect a ...
    24-12-2007
  7. On February 2006, I puchased my first LEGO Mindstorms. On January 2007, I purchased my LEGO Mindstorms NTX, so I started to create some proyects with it. I found NTX makes easier to create projects using fewer parts. Here is my first NTX project: ...
    21-11-2007
  8. It seems like everywhere you go, someone’s cell phone is playing a personalized ringtone. Whether annoying or clever, it’s your call, but inside your home, it’s still the domain of the boring “ding-dong.” Not for long, ...
    20-11-2007
  9. IC1: LM3915 18 Pin IC socket Does your amplifier have a level indicator? I always envied the fancy amps with LED level bar graph that you find on most stereo systems or amplifiers. This is your chance to build your own LED VU meter that you can ...
    30-10-2007
  10. ChaN SG12232C is a full graphics type LCD module in resolution of 122(H) x 32(V) dots. It has two Epson S1D15200 LCD controller on a board. The S1D15200 can display up to 61(H) x 32(V) dots and they drive half of the LCD panel each. SG12232C ...
    29-10-2007
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