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EEVblog #259 – PSU Rev C Schematic – Part 12

Previous Video HERE: https://www.youtube.com/watch?v=xa9Lyb45oJM Rev C Schematic HERE: http://www.eevblog.com/projects/usupply/ Part 12 in the PSU design series. A thorough look at the Rev C schematic and all the changes. 18650 Lithium Ion battery charger, software controlled switching pre-regulator, replacement of the uCurrent capability, return of the PWM DAC, accommodating the Wiznet …

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VOTE for Sagan!

UPDATE: Sagan made the short list! http://babysearch.bonds.com.au/shortlist A huge thanks to everyone who voted! In a completely shameful use of social media power, Sagan needs everyone’s help to vote for him in the Bonds Baby contest, so, you know, he can start his world domination plans: http://babysearch.bonds.com.au/entry/7229/sagan-j Only takes a …

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EEVblog #257 – Makerbot Troubleshooting

Dave & Phil try to calibrate and print something for the first time on their Makerbot Thing-O-Matic. But as Murphy always ensures, it turns into a troubleshooting bonanza, where much hair is lost, but much knowledge gained… Podcast: Download

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EEVblog #250 – Anti-Static Mat Myth

Dave is tired of hearing comments that ESD work mats affect your measurements. So here’s proof that they don’t. The mat is like this one here: www.oritech.com.au/productDetail.aspx?productID=20512 Podcast: Download

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EEVblog #249 – Agilent U1272A Multimeter Review

TEARDOWN: https://www.youtube.com/watch?v=YsTZuPN7wQQ FIRMWARE BUGS: https://www.youtube.com/watch?v=1fC382Tog0k https://www.youtube.com/watch?v=lmGi7BZS5NM PC INTERFACE & DATA LOGGING: https://www.youtube.com/watch?v=kSmiDzbVt_U A review of the Agilent U1272A multimeter. How does it compare with the Fluke 87-V it is aimed at? If you are looking for data logging solutions, visit Measurement Systems. Podcast: Download

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EEVblog #247 – Anti Static Bag Myth Revisted

Element 14 shipped Dave some chips in just “anti-static” packaging, instead of proper “static shielding” bags. So he decided to revisit the anti-static bag myth he mentioned in episode #3, but this time doing some static measurements and actually trying to kill a chip. Podcast: Download

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