Awesome Electronics Tutorials, Projects and How To´s
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GreatScott! · 2024年1月14日 公開
Get A Coupon for Free flexible PCBs (100*100mm, yellow): https://jlcpcb.com/AAA JLCPCB 3D Printing from $0.3: https://3d.jlcpcb.com Try the world's most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: https://www.altium.com/yt/greatscott! Check out Altium 365: https://www.altium.com/altium-365 Check out OctoPart: https://octopart.com/ (AD, Paid Promotion) You can get the shown components/powerbanks here: (affiliate links) USB Tester: https://s.click.aliexpress.com/e/_DBjJEYN USB Load: https://s.click.aliexpress.com/e/_Dl0NhY1 My favorite Big Powerbank: https://s.click.aliexpress.com/e/_DelbpUt My favorite Small Powerbank: https://amzn.to/48LeavE USB Ports: https://s.click.aliexpress.com/e/_DBX7uKZ https://s.click.aliexpress.com/e/_DmRwAGz 555 Timer: https://s.click.aliexpress.com/e/_Dnqn0SZ Capacitor Kit: https://s.click.aliexpress.com/e/_Ddknutr Resistor Kit: https://s.click.aliexpress.com/e/_Dm1jDQ9 You can download the Pulse Circuit schematic here: https://www.patreon.com/posts/powerbank-pulse-96346146 Previous video: https://youtu.be/KV8U1cCo7UA 555 Timer IC Video: https://youtu.be/fLaexx-NMj8 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 video we will be having a closer look at powerbanks and their one flaw. Now I do love powerbanks because they are the perfect portable power source for your electronics projects. They provide 5V, are super easy to handle, safe and cheap. Only problem is that they turn off automatically when there is only a small load attached which can be a problem for some of my projects. So in this video I will explore 4 solutions or "hacks" in order to get rid of this problem. Let's get started! Websites that were shown during the video: http://www.sztuofeng.com/upload/1586854246.pdf Thanks to JLCPCB for sponsoring this video. Visit https://jlcpcb.com to get professional PCBs for low prices. 0:00 Powerbanks have 1 Big Problem 1:24 Intro 2:11 Why Auto Turn Off? 3:21 Solution 1 USB-C Powerbank 4:11 Solution 2 Constant Load 5:05 Solution 3 Pulse Circuit 7:25 Solution 4 Hardware Hacking 11:44 Verdict
