The Batteriser / Batteroo AAA sleeve tested in a toy train passive load and the results analysed!
Does the Batteriser finally live up to the claims of increased performance in passive loads? or is it a complete turkey?
More videos to come...
Full train test footage in a single take:
https://www.youtube.com/watch?v=e_a1YJ_yZug
Frank Buss's test footage:
https://www.youtube.com/watch?v=pj6GyGVWwto
Live test footage:
https://www.youtube.com/watch?v=pj6GyGVWwto
Main testing forum thread: http://www.eevblog.com/forum/projects/batteroo-testing/?topicseen
Forum: http://www.eevblog.com/forum/blog/eevblog-963-batteriser-batteroo-passive-toy-test/
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Want to include a small Lithium Ion or Lithium Ion Polymer battery into your next project? It's easy! Dave gives you the low down on how they work and how to charge them and select a suitable charging IC.
NOTE: For safety you should always use circuit protected cells as per the larger cell I was holding up. It protects against over-discharge, over-voltage, shorts etc.
(BTW, the reference to Lithium Ion Polymer being the same as Lithium Ion is in terms of charging, if that was not clear. The Ion Polymer type have polymer anode material and hence a different construction that allows the small pouch type cells shown in the video, and other thin odd shapes shown toward the end)
Forum Topic:
http://www.eevblog.com/forum/blog-specific/eevblog-359-qdso-pocket-oscilloscope-review/
Dave reviews and tears down the QDSO ("MiniDSO") Pocket Oscilloscope.
http://www.diyertool.com/measuring-equipment/oscilloscopes/qdso-mini-handheld-oscilloscope-with-40mhz-bandwidth.html
UPDATE: Since this and Mike's review, DIYertool have voluntarily removed this product from sale.
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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:
https://www.inventables.com/technologies/solder-sleeves
NOTE: I think a wide nozzle heat gun must be used on these. The small one I used didn't maintain enough heat into the wires.
Flux Capacitor T-Shirt: http://teespring.com/fluxgatecondenser
Forum: http://www.eevblog.com/forum/blog/eevblog-780-samsung-lcd-tv-dumpster-dive-teardown/
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Mailbag is back for 2017
Forum: http://www.eevblog.com/forum/blog/eevblog-964-mailbag/
SPOILERS:
Educational kits from
http://tronclub.com/
Electro-permanent magnet for UAV's and drones from NicaDrone
http://nicadrone.com/index.php?id_product=13&controller=product
Cisco VOIP phone teardown
1980's GE Cordeless phone teardown
Open source USB charger:
http://www.bloguetronica.com/2016/12/modulo-carregador-usb-ucharge-rev-1.html
STM32 Development board:
https://www.tindie.com/products/maxtch/arduino-compatible-stm32f103c-development-board/
Max Chan is for hire:
https://en.maxchan.info/
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A viewer found an EMC issue with the Keysight U1272A multimeter
Dave confirms both conducted and coupled issues and finds some spooky action at a distance!
Comparisons with other meters confirm they don't have the same issue.
Fluke 87 GSM Problem: https://www.youtube.com/watch?v=-13Q-UsXKQM
Forum: http://www.eevblog.com/forum/blog/eevblog-933-keysight-u1272a-emc-issue/
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Dave replies to a youtube comment that you can't learn much practical design stuff from vintage teardown videos.
Forum: http://www.eevblog.com/forum/blog/eevblog-545-vintage-design-rant/
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See what's involved in packing and shipping the µRulers to Australian customers for the Pozzible crowd source funded campaign.
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Everything you ever wanted to know about how Multimeter input protection works.
Using the Fluke 27 as a baseline example.
Service Manual: http://www.testmart.com/webdata/mfr_pdfs/FLU/27______smeng0100.pdf
Forum Topic: http://www.eevblog.com/forum/blog-specific/eevblog-373-multimeter-input-protection-tutorial
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