EEVblog

Another movie length Mailbag.
What have people sent in this week?
Forum: http://www.eevblog.com/forum/blog/eev...

SPOILERS:
Why are cheap Ebay LED light bulbs so bad? Dave investigates why some of them are doomed to fail. DaveCAD and thermal camera time.
http://www.qt-brightek.com/datasheet/...

CPM700 Countersurveillance unit from Research Electronics Inc for cold war spy bug sweeping.

Cheap Ebay voltage sources for multimeter calibration

Raspberry Pi I/O Hat Kickstarter, the Hatilogico:
https://www.kickstarter.com/projects/...

Industrial RS232 modem teardown

Bricked Assus TF300 Transformer Tablet

Annoy-a-tron

Belkin router teardown

Cypress Parachute Automatic Activation Device.
Previous video teardown on this:    • EEVblog #339 - Cypres Parachute AAD Teardown  


EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel:    / eevblog2  

Support the EEVblog through Patreon!
  / eevblog  

EEVblog Amazon Store (Dave gets a cut):
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/