GreatScott!
Awesome Electronics Tutorials, Projects and How To´s
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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 2021年7月4日
Visit Brilliant.org and get a 20% discount: https://Brilliant.org/GreatScott/ Previous video: https://youtu.be/GHdIGt7bbyU Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Support me for more videos: https://www.patreon.com/GreatScott?ty=h You can find more information about my DIY solution here: https://www.patreon.com/posts/52795400 The website shown with the nice 3D printed current clamp: https://matthewtran.dev/2019/08/diy-dc-current-clamp/ You can get the commercial AC/DC current clamp here (affiliate links): https://s.click.aliexpress.com/e/_AVZjBj DIY solution parts list (affiliate links): LM7805: https://s.click.aliexpress.com/e/_dXSrfiP Resistors: https://s.click.aliexpress.com/e/_dTPpXjt Capacitors: https://s.click.aliexpress.com/e/_d7dOwRz https://s.click.aliexpress.com/e/_dU4FEsB S49E Hall Effect Sensor: https://s.click.aliexpress.com/e/_98ld1L 200k Trimmers: https://s.click.aliexpress.com/e/_AVTh3R TL082 OpAmp: https://s.click.aliexpress.com/e/_9iaLp7 BNC connector: https://s.click.aliexpress.com/e/_AYumOt PCB Terminal: https://s.click.aliexpress.com/e/_dYbstfZ Perfboard: https://s.click.aliexpress.com/e/_dXx2Zv5 In this episode of DIY or Buy we will be having a closer look at my broken AC/DC current clamp which can be also called a current probe. The job of such a current clamp is simple, visualizing the current waveform on an oscilloscope. So in this video I will explain how such a current clamp functions and how we can make a DIY alternative in order to find out whether it makes sense to DIY such a tool or whether we should stick to the commercial solution instead. Let's get started! Thanks to Brilliant.org for sponsoring this video. Music: 2011 Lookalike by Bartlebeats 0:00 Why current clamps are awesome 2:04 Intro 3:00 Why not use a current shunt? 3:55 How does an AC current clamp work? 5:17 Measuring a DC current with a current clamp 6:41 Building a DIY AC/DC current clamp 7:26 Building a circuit for the current clamp 9:07 Testing my DIY solution 10:30 Verdict
