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There are 35624 individual articles here that are part of 5227 discussions
Please see below the list of the most recent and the best rated articles in General Electronics

The most recent discussions


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 »

solution manuals

June 30, 2021, 7:43 am

Solution Manual Modern Robotics : Mechanics, Planning, and Control (Kevin M. Lynch, Frank C. Park) Read more »

automobile remotes

February 16, 2021, 10:24 pm

A question concerning the car remotes; door lock, headlights, etc. Each car/handset must be a matched pair, regarding the ID and security codes. Obviously only one car in the parking lot ought ... Read more »

ICETech Micromaster LV

February 2, 2021, 6:31 pm

I have one of these things sitting around in my workshop but so far I have been unable to make any sense of it, so rather than chuck it in the skip I am offering it free to anybody who might want... 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 »