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  1. C

    Using TIP122 to build a buck converter

    Hi guys, I'm building a Buck Converter to step down a 12V input to a 5V output using the TIP122 darlington pair as the switch. I'm having a problem with the output stage. The tip switches smoothly with just VCC and signal to it. Once the output stage is connected. i.e the diode, the inductor...
  2. C

    Make an IPod Speaker

    A couple of years ago I needed to come up with a Christmas present for my best friend. He loves music and guitars and the color red, so I combined all of the above and made a guitar amp themed iPod speaker for him. Step 1: The box I built the box out of particle board for price, weight and...
  3. C

    DIY-- A cute LED Chaser

    Hello everybody! making an LED Chaser. It's a super simple project based on the 555 timer and the 4017 decade counter. It works incredibly well and it's quite easy. Step 1: First, a bit of theory Show All Items The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse...
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