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There are 35601 individual articles here that are part of 5218 discussions
Please see below the list of the most recent and the best rated articles in General Electronics
The most recent discussions
Ancient refrigerators
January 8, 2021, 4:43 am
How did they make ice, in the days before electricity? And did they figure it out empirically, prior to the development of thermodynamic theory? ? Rich Read more »
Power Routing Switch
December 7, 2020, 4:27 am
Working on a gadget that uses a 12 volt motor (10 amp peak) and misc electr onics running on lower voltages. It is powered from an external PSU like a laptop supply, but 12 volts. There is also a ... Read more »
warm air
November 18, 2020, 9:37 pm
A nearby college includes a building, surrounded by an outdoor arcade, at street level. At one point, the warm internal air is expelled, which is natural, they perform continuous circulation. A... Read more »
C.Crane radio antenna problem
November 14, 2020, 5:10 am
Hi, I have a C.Crane Witness + Radio. It has a tivo-like function and can record broadcasts to mp3 files on an SD card. The antenna fits into the headphone jack and is about 2 ft long. The recep... Read more »
Lime skates
September 14, 2020, 8:46 pm
I looked at one of those Lime electric skateboards. It has a QR code sticker, and no other user interface, that I noticed. I never rented one, and wonder how the system works, the network stu... Read more »
Rhode & Schwarz - Website Down?
July 29, 2020, 1:10 pm
Hello, all. I haven't been able to access the subject's website for 2 weeks now. Assuming the problem isn't on my end why would a major supplier of test equipment allow this? Thanks for any in... Read more »
iPhone SUPER discounts
April 20, 2020, 6:57 pm
*** iPhone SUPER-SPECIAL-DISCOUNT 80% OFF --- UNBEATABLE SUPER-PRICES !!! *** Save LOTS OF CASH on a wide collections of iPhones, 80% off everything must go to make place of next generation iPhone ... Read more »
Control a VFD via cDAQ 9178
February 21, 2020, 8:33 am
I want to control a Delta VFD ( https://famaga.ch/catalog/delta/order-267889 ) unit through the cDAQ-9178. I got an analog input module NI 9201,analog output module NI 9263 and digital output module ... Read more »
IBM Selectric typewriter
April 9, 2019, 10:04 am
I have two cycle wheels for the IBM Selectric typewriter. Read more »
black light
February 11, 2019, 10:53 pm
I saw a pocket flashlight in a hardware store yesterday, it shines UV. Such a package is new to me. What is it good for? What's inside? And whence the origin of the term 'black light'? I rec... Read more »
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The best rated discussions
LEDs Series-Parallel OK?
[ 2 ]
Connecting LEDs in series-parallel like the ASCII schem below is okay? I don't see any reason why it shouldn't work. If a lot of LEDs, like the 7 below, are paralleled, the total current for each... Read more »
car phone
In old movies, you sometimes see something called a 'car phone'. Always in a limousine. How did those work? -- Rich Read more »
IBM Selectric typewriter
I have two cycle wheels for the IBM Selectric typewriter. Read more »
LED flashlight
I was looking at some LED flashlights, with ratings from 50 to 150 lumens. A p-n junction is a p-n junction, how do they get such varied outputs? I examined the working end, they all look alike, w... Read more »
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