GreatScott!
Awesome Electronics Tutorials, Projects and How To´s
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- 2026年11月15日
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Awesome Electronics Tutorials, Projects and How To´s
这是 Youtop 运营的独立目录页面，并非由 GreatScott! 或 YouTube 运营、赞助或认可。 YouTube 官方频道 ↗提交更正你是这位创作者吗？认领此页面
GreatScott! · 发布于 2025年1月12日
Register with JLCPCB now to get a $60 coupon to buy high-quality PCBs: https://jlcpcb.com/?from=AAA Get a $30 coupon and experience JLCPCB's 6-layer PCBs : https://jlcpcb.com/6-layer-pcb?from=AAA You can get the Buy version here: (affiliate link) https://s.click.aliexpress.com/e/_oD6UBUf You can get the Components for the DIY version here: (affiliate links) Ultrasonic Transmitter: https://s.click.aliexpress.com/e/_oDQFVBd Arduino Nano: https://s.click.aliexpress.com/e/_okX3avH AD9833: https://s.click.aliexpress.com/e/_oDeuagx MCP602: https://s.click.aliexpress.com/e/_oEDZwl9 LM393: https://s.click.aliexpress.com/e/_oFZpp8n Resistors: https://s.click.aliexpress.com/e/_onvcJTz Potentiometers: https://s.click.aliexpress.com/e/_oCBUSh9 H-Bridge: https://s.click.aliexpress.com/e/_oopCfcP You can download the DIY project files here: https://www.patreon.com/posts/119558088 Previous video: https://youtu.be/netFl8pcwP8 Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ TikTok: https://www.tiktok.com/@greatscottlab Discord: https://discord.gg/zuAvkAuhsY Support me for more videos: https://www.patreon.com/GreatScott?ty=h In this episode of "DIY or Buy", we will be having a closer look at directional speakers. The usage of such speaker is "fairly" new and quite interesting. As the name would suggest, they can playback audio in a very directional straight beam. So how does this sound? How does it work? And why is it so expensive and can we maybe create a cheaper DIY version? Let's find out! Websites that were shown during the video: https://cocosonics.myshopify.com/ https://github.com/TheSpaceEgg/SimpleAD9833 https://www.analog.com/media/en/technical-documentation/data-sheets/ad9833.pdf https://www.estudioelectronica.com/wp-content/uploads/2018/09/SHT-USW-1.pdf Thanks to JLCPCB for sponsoring this video. Visit https://jlcpcb.com to get professional PCBs for low prices. 0:00 Directional Speakers are TOO PRICEY! 1:35 Intro 2:20 How does it Work? (Simple) 3:55 Repairing the Buy version 4:56 Testing the Buy version 6:31 How does it Work? (Amplitude Modulation) 7:55 Creating a DIY version! 10:30 Testing DIY VS Buy! 11:45 Verdict
