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TSJ Wang
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Student

51 followers
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CS Robot (1) hardware
If you are reading this please do not mistake me for a terrorist. I'm not a terrorist. It was November 2013. On Thanksgiving day, my cousin and my brother's friend came over and we were enjoying the break by playing Left 4 Dead and CS:GO. Earlier that day w...

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PCB Agitator
Hello Again! Over the past years I have been making PCBs by just watching it etch away. Sometimes I would heat up the chemicals in the microwave, jiggle it around manually, use a stirrer, or a straw to facilitate the etching process.  You all probably know ...

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Bird Alarm Clock
Who likes waking up to the sound of alarm bells? From my experiences with different alarm clocks, I found that something that gradually gets louder wakes you up more patiently, comfortably, and fully than a sudden burst of obnoxious noise. For example, for ...

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Aluminum PCB Attempt (1)
Making PCBs at home is awesome. Feel the power  of making a professional-looking circuit board at home with these amazing chemicals that eat copper. Pretty rad. Sadly, not everyone can get their hands on etchant, or photosensitive boards, or any of that fan...

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VU meters evolution
A few years ago I designed an awesome circuit. Awesome: My definition of awesome: cheap easy practical awesome I was searching for a way to build a VU meter. Before microcontrollers, all my projects were audio based: I just wanted to find ways to make my de...
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