EEVblog #785 – Sydney Maker Faire 2015 Interviews

Interviews with various people at the 2015 Sydney Mini Maker Fair: Eora3D 3D Laser Scanner Breadboard Killer – Low cost prototype PCB’s Diffusion Science Radio Podcast UNSW Create Maker Group with a Robotic camera tracking Pacman system Kerbal space program custom hardware user interface from Robots & Dinosaurs Scale (Chain) …

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EEVblog #782 – The Dangers Of Reflow Soldering

Dave shows why reflow soldering in a DIY oven can be tricky business for connectors and other parts, particularly ones designed only for through-hole soldering. Reflowing an existing board (and even new boards) can be fraught with danger. Phoenix Contact Connectors for SMT Production Through Hole Reflow Lead Free Solder …

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EEVblog Website Update

PLEASE NOTE: The EEVblog website will be going down for at least a few hours on Thursday 20th (Sydney time) for a major upgrade. The site will be locked down from commenting etc Basically it’s a new custom WordPress template and a few associated things. This will make the site …

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EEVblog #781 – Samsung LCD TV Part 2

Dave & David2 have another go at repairing the dumpster dive 46″ Samsung LCD TV. This time a further teardown checking out the LCD panel TAB connections, and then reflowing the T-CON Timing Control board. You know how it ends. If you don’t like the lack of a happy ending, …

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EEVblog #780 – Samsung LCD TV Dumpster Dive Teardown

Dave finds a nice 46″ Samsung LED backlight LCD TV in the dumpster, will it work? What’s inside? Also I look at using the Inventables waterproof insulating solder sleeves NOTE: I think a wide nozzle heat gun must be used on these. The small one I used didn’t maintain enough …

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EEVblog #778 – Oscilloscope Vertical Confusion

Dave answers a beginner forum question on why the Rigol DS1054Z oscilloscope does not show the intended vertical Volts/Div setting he expects. A trap for young and old players alike. 1X and 10X probes, and auto probe interfaces. The forum question is HERE Other related videos: EEVblog #601 – Why …

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Negative Feedback T-Shirts In The EU

As the titles says, Negative Feedback T-Shirts are now available in the EU through Fabrily. This should work out cheaper for postage than ordering through Teespring in the US. CLICK HERE to get one.

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EEVblog #775 – Mailbag

Dave opens his mail. A potpourri of items this week. Forum: http://www.eevblog.com/forum/blog/eevblog-775-mailbag/ SPOILERS: The Ultra Micron world’s smallest digital dosimeter / Geiger counter, and it’s open source! Full teardown video HERE The Stick-Vise PCB Holder Russian nixie tube display The 1962 Ferrari 250 GTO Telsa merch Buzz Aldrin’s Mission To …

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EEVblog #774 – Low Battery Discharge Testing Part 1

Dave shows how to do discharge testing on AAA and AA alkaline batteries, for the specific purpose of investigating how much energy is left under the industry standard 0.8V cutout voltage. This is an explanation of the test setup, verification, and a sample plot of some data before the long …

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