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) …
Read More »EEVblog #784 – Sydney Maker Faire 2015
Highlights tour of the 2015 Sydney Mini Maker Faire at the Powerhouse Museum. Forum HERE Podcast: Download
Read More »EEVblog #783 – Dumpster Dive Power Macs
Dave checks out some vintage retro Power Mac G5 machines found in the dumpster. Forum HERE Podcast: Download
Read More »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 …
Read More »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 …
Read More »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, …
Read More »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 …
Read More »EEVblog #779 – Batteriser: How To Measure Battery Cutoff Voltage
Another in a series of battery tutorials, Dave explains how to correctly measure the battery cutout voltage of a product. And how to take internal resistance of a battery into account. And also a detailed response to a video from Batteriser claiming Dave is wrong in using a PSU to …
Read More »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 …
Read More »EEVblog #777 – Keithley 177 Microvolt DMM Repair
Come on a ride as Dave repairs an intermittent Keithley 177 Microvolt DMM, garden paths and all. Service manual & Schematic ADC Datasheet 555 Timer T-Shirt HERE Negative Feedback T-Shirt in the EU through Fabrily Forum HERE Podcast: Download
Read More »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.
Read More »EEVblog #776 – World’s Smallest Digital Dosimeter
A look at the Ultra Micron, the world’s smallest digital ionising radiation dosimeter, and it’s Open Source Hardware. Github page is HERE SBM-10 Russian Geiger-Muller Tube DATASHEET Forum HERE Podcast: Download
Read More »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 …
Read More »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 …
Read More »Inventables X-Carve LIVE Build Part 3 + Batteriser Rant
Part 3 of Dave & David2 assembling the Inventables X-Carve milling machine. Bonus impromptu rant on the Batteriser for the first 30 minutes!
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