Dave looks at the current measurement front end of a typical multimeter and figures out how to redesign it for lower burden voltage. It's not quite as easy as you might think, there are compromises and traps for young players. And something you probably didn't know about HRC fuses. PART 2 is HERE: https://www.youtube.com/watch?v=xSEYPP5Xsi0 µCurrent article: http://www.eevblog.com/files/uCurrentArticle.pdf Multimeter fuse and diode protection video: https://www.youtube.com/watch?v=ne_Prn0eGQE Multimeter input protection tutorial: https://www.youtube.com/watch?v=zUhnGp5vh60 ... https://www.youtube.com/watch?v=jx0dryLmUEQ

The best dumpster PC find yet! Some software hacking required to defeat Windows 10 security though. Compliance markings video: https://www.youtube.com/watch?v=SRSAK3D8VJU Forum: https://www.eevblog.com/forum/blog/eevblog-1279-best-dumpster-pc-find-yet!/ #DumpsterDiving #Windows10 #Lenovo EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ T-Shirts: http://teespring.com/stores/eevblog ... https://www.youtube.com/watch?v=-FszeHoK2Ck