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There are 35630 individual articles here that are part of 5229 discussions
Please see below the list of the most recent and the best rated articles in General Electronics

The most recent discussions

Rubber beading on high voltage cable insulation

July 20, 2022, 6:53 am

Hey all, Just curious what you think about this. The photos at the link are showing large gauge wire used on a vintage 600 VDC rail vehicle. We're talking 1930's electric streetcar technology.... Read more »


June 14, 2022, 3:35 pm

---------8x-------------- Brillen_Baendchen.txt all20220614 DIY! man nehme 80-90 cm 1-1,5 mm Seil Nylon/PE/PPE etc... (1)(2)(3) an beide Enden eine verstellbare Schlaufe machen, So ist die Br... Read more »

battery jargon

February 15, 2022, 2:55 am

A battery consists of two metals brought into contact. Somehow, they form an anode/cathode electric potential. That's the extent of my battery chemistry. So: NiCd - nickel and cadmium carbon... Read more »


November 28, 2021, 1:53 pm

Hi how are you? could you send me the solution of modern robotics(kelvin-park) please? Read more »

Key FOB, Assume has Active RF ID

October 30, 2021, 11:49 am

Hi, I have a 2017 Jeep Grand Cherokee. To open the car door (locked), I simply grab the handle and the door unlocks then opens with the Key FOB in my pocket. The Key FOB has butto... Read more »

Modern Robotics : Mechanics, Planning, and Control (Kevin M. Lynch, Frank C...

October 20, 2021, 2:29 pm

I need solution manual for modern robotics. If you have it please share it. Read more »

replacing a battery

October 6, 2021, 2:39 am

The battery in my phone burned out, so I ordered a replacement from Amazon. Examining the case, I can't find any fasteners. Do I open it with an oyster knife? -- Rich Read more »

particle accelerators

October 3, 2021, 11:42 pm

In days of old, particle accelerators used bubble chambers as detectors. What sensor technology is utilized at CERN? And when was the last time bubble chambers were in use? -- Rich Read more »

phone antennas

August 17, 2021, 11:43 pm

Do cell phones contain a separate antenna each for phone network, Wi-fi and Bluetooth? Also, does Bluetooth include any security? Like, if a user is listening to his music through a Bluetooth li... Read more »

battery charger

July 18, 2021, 12:19 am

I picked up a AAA NiMh battery charger. The label reads: Output: 1.2 V 800 mA AA/AAA charging: 120 mA Why the two different current specs? Does not compute - -- Rich 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 »


battery charger

I picked up a AAA NiMh battery charger. The label reads: Output: 1.2 V 800 mA AA/AAA charging: 120 mA Why the two different current specs? Does not compute - -- Rich 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 »