JLCPCB Prototype for $2(Any Color): https://jlcpcb.com Using a 1N4005 diode to quench the high flyback voltage from a 12V fan motor. But the 33V transient suppression diode didn’t work. My other channel (Julian’s Shorts): https://www.youtube.com/channel/UCeewzdnwcY5Q6gcbnZKIY8g , https://i.ytimg.com/vi/gGBrkVRu_Sk/hqdefault.jpg sourceContinue Reading
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com Teardown of the Ozito Power Xchange 4Ah power tool battery. https://batterybro.com/blogs/18650-wholesale-battery-reviews/18880255-battery-chemistry-finally-explained http://www.micro-bridge.com/news/news.asp?id=1973 , https://i.ytimg.com/vi/pi3EVvdaPuw/hqdefault.jpg sourceContinue Reading
Battery state of charge and voltage are now displayed on the OLED , https://i.ytimg.com/vi/ZtkIDwkrc6E/hqdefault.jpg sourceContinue Reading
A look inside the 36V battery supplied with a low cost cordless lawnmower. Some resources: http://batteryuniversity.com/learn/article/types_of_lithium_ion everything you ever wanted to know about batteries, but were afraid to ask: Part I from electronic_cigarette https://batterybro.com/blogs/18650-wholesale-battery-reviews/18880255-battery-chemistry-finally-explained http://www.wackedoutecig.ca/7752-about-lithium-batteries.html , https://i.ytimg.com/vi/eHynUZ-jER4/hqdefault.jpg sourceContinue Reading