Discover how to build your own DIY laser pointer that connects to your smartphone's headphone jack and is controlled via an app. This step-by-step guide covers preparing the audio jack, soldering the ...
For less than $150, tinkerer and YouTuber CNCDan has built his own virtual reality headset to make racing sims more immersive. Better yet, he's made the whole project open source. The headset largely ...
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