eevBLAB #22 – Ebay is BROKEN!

Ebay Australia is BROKEN!, and Dave isn’t happy.
Half the test equipment categories are either screwed up or not functional. What the hell is going on?
UPDATE: Yep, deliberate changes: http://sellercentre.ebay.com.au/News/category-changes

Forum: http://www.eevblog.com/forum/eevblab/eevblab-22-ebay-is-broken!/

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EEVblog #882 – Dumpster Dive Apple Xserve Computers

Dumpster diving time!
Dave fishes out some Apple Xserve rack mount server computers and tears them down.
Forum: http://www.eevblog.com/forum/blog/eevblog-882-dumpster-dive-apple-xserve-computers/

Dupster dive Powermacs:
https://www.youtube.com/watch?v=fl0e6PF5y5g

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EEVblog #881 – Fontus Self Filling Water Bottle BUSTED!

Dave does basic back-of-the-envelope thermodynamic calculations to prove the Fontus Airo & Ryde self filling water bottle campaign on Indiegogo is full of hot air instead of water.
It’s 100% baloney!
Hang around for the surprise ending!

Forum: http://www.eevblog.com/forum/blog/eevblog-881-fontus-self-filling-water-bottle-busted!/

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EEVblog #880 – Mailbag

Mailbag Monday
Teardown bonanza
Forum: http://www.eevblog.com/forum/blog/eevblog-880-mailbag/

SPOILERS:
LCD’s and CCD sensor under the Tagarno microscope
The Aoyue3D Ritocco 3D shaping , cutting and finishing tool http://www.aoyue3d.com/
amazon
1980’s multimeters (Fluke ripoff)
Wandel & Goltermann optical attenuator
Cheap mains energy meter teardown
DTV TV tuner teardown
Wayback Wednesday material, a collection of the Cyclopedia Of Applied Continue reading EEVblog #880 – Mailbag

EEVblog #879 – R&S HMO1202 Scope Bandwidth Hack Investigation

Dave investigates how the front end bandwidth limiting works on the Rohde & Schwarz 1202 series oscilloscope.
Is the bandwidth limit set just by the LMH6518 front end Variable Gain Amplifier chip through the SPI bus?

See the extended 50 minute version here that has much more detail and mucking around trying Continue reading EEVblog #879 – R&S HMO1202 Scope Bandwidth Hack Investigation

EEVblog #878 – Oscilloscope High Res vs Average Modes

What’s the difference between High Resolution (Boxcar Averaging) and traditional Average acquisition modes on a modern digital oscilloscope?
Dave explains this often misunderstood difference, traps for young players, and gives several demos to highlight the differences.

Forum: http://www.eevblog.com/forum/blog/eevblog-878-oscilloscope-high-res-vs-average-modes/

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EEVblog #877 – Solar Analytics Home Energy Monitoring Installation

Installing a home energy monitoring and reporting system on Dave’s home solar power system.
The 3G based wireless Connect 23 from Solar Analytics:
https://www.solaranalytics.com.au/
Designed & Manufactured by WattWatchers:
http://wattwatchers.com.au/
Forum: http://www.eevblog.com/forum/blog/eevblog-877-solar-analytics-home-energy-monitoring-installation/

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