http://www.tvrepairinfo.com/ This is a demonstration of a polarized light filter I was able to salvage from a junk LCD TV screen.
Drive time rant again. Dave begs beginners not to use autorouters, and questions why the low end EDA packages even bother to have them.
Drive time rant.
Has electronics design information become a bit of a commodity? And how can you differentiate yourself?
http://www.tvrepairinfo.com/ In this video I dissected an LCD panel to see what it looked like under a microscope. It’s hard to believe a technology so small can actually work.
Welcome to the Arcade Repair Tips Video Series! In this video, Tim Peterson shows you how to adjust the dip switch settings on an arcade board. For more information, please visit our website at www.arcaderepairtips.com and please watch for more videos in the Arcade Repair Tips Video Series! Thanks for Continue reading Arcade Repair Tips – Adjusting Dip Switch Settings On A Board
Is the bad design of the IDEAL multimeter tilting bail really that a-typical? Should you expect to be able to poke the buttons on a multimeter while it’s standing up?
Dave does some comparisons to find out.
Dave compares five $50 Multimeters to see if they are any good, and how they compare.
Download the comparison sheet:
Thanks to Evan from Tequipment.net
The Extech EX330:
The Amprobe AM220:
The Elenco M-2625:
(Also Jaycar Digitech QM1535)
The Global Specialties Pro-50:
Continue reading EEVblog #91 – $50 Multimeter Shootout – Extech EX330, Amprobe AM220, Elenco, Vichy VC99, GS Pro-50
This Emerson LCD TV came in my shop dead. After testing a few components I found a bad diode on the secondary side of the switch mode transformer. Location number was D631. Someone suggested an NTE 579 might make a good replacement but Digikey had a 5 Continue reading Emerson EWL20S5C
Bad Product Design 101:
How to screw up your product with a simple design oversight.
The IDEAL brand 61-342 looked like a nice multimeter until Dave tried to actually use it and discovered an epic product design FAIL!
Just how different are linear, LDO and switching buck voltage regulators? I’m glad you asked!
You might be surprised…
It’s tutorial time.
NOTE: There are many different methods of SMPS control, this is just one of the simple ones, go investigate!