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There are 102108 individual articles here that are part of 9443 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

Re: Cheap new device to pull capacitors from?

December 9, 2018, 3:56 am

On Sun, 9 Dec 2018 09:48:56 -0000 (UTC), John Doe Buying junk to harvest parts? On the face of it, that sounds ridiculous. There must be something I'm missing here. Are you located somewhere wh... Read more »

talking multimeter

November 23, 2018, 5:48 am

Hi all, A member of our radioclub is starting to have problems with his eyesight, so he is looking for a multimeter that can talk. I've found one on the internet, but that product is only sold in... Read more »

Cell phone fast charging circuits

November 14, 2018, 9:49 pm

Hello, My Motorola phone supports Turbo charging, apparently charging my phone at 9-12V after establishing a secret handshake with the charger. https://www.motorola.com/us/products/turbopower Is t... Read more »

Speaker efficiency?

November 2, 2018, 6:26 pm

Since I will be playing a low wattage tube amp through speakers it seems that high efficiency speakers are in order. How can I tell the efficiency of a speaker from looking at the specs? Thanks, ... Read more »

Serious stereo tube amp questions.

November 1, 2018, 12:19 am

I have always like exposed tube equipment. Since I was a little kid. So I have been thinking about getting a small stereo tube amp for the living room to replace the typical modern amp we have. ... Read more »

I've reached out to you to see if we, Genesis Market Insights could serve ...

October 24, 2018, 2:29 pm

Automotive Robotics.jpg We would really appreciate if you could spare some of your valuable time and give me a chance to showcase our company and the product. .I would really appreciate if you could... Read more »

tool to use to draw an electronic circuit

October 22, 2018, 8:58 am

Hi - if I want to show you an electronic circuit I have a question about, what tool do you recomend me to use ? Thanks. Read more »

solar cell how to measure output current

October 21, 2018, 11:50 pm

Hi - I got a brand new solar cell Eco Line ES10M36. In my garden, under full sun it provides 21 volts and 500 mA, and under big shadow it gives 18 volts and 30 mA. Load is a 24 volt bulb lamp in s... Read more »

Oscillators without transistors

  [ 2 ]
October 17, 2018, 7:33 pm

Hello, What are some examples of oscillators which don't require transistors or vacuum tubes? So far I found relay oscillators and the Pearson-Anson oscillator. Does the Pearson-Anson oscillator r... Read more »

Tube amp question

October 10, 2018, 9:05 pm

I see lots of tube amps with the tubes mounted such that they point down. This means all the heat rises up into the chassis. This seems counter-intuitive to me. All those components baking all the ... Read more »

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The best rated discussions


Max Frequency of SM 118A counter?

  [ 2 3 ]

Anyone know the maximum frequency of a Heathkit SM-118A? I have been all over Google with little luck. One guy said it would go to 1 GHz maybe 2 GHz, I don't think so. ... Read more »


Best Light for reading?

When choosing a Flourescent Bulb for a Task Light what is the best for reading.......my choices are 2700 Kelvin, 3000, 3500, or 4100..... Read more »


How do you test a capacitor?

  [ 2 ]

Just bought a generator and it failed within two hours of usage. Mfg. say maybe capacitor and will ship a new one. But am not sure. I have a voltmeter with capacitor readings. Know how to test for re... Read more »


Satellite radio - radio validation

I'm curious, can someone provide a simple several paragraph, basic explanation of how satellite radio authentication works? eg. If the radio is only a receiver and I cancel my subscription how does ... Read more »


Where to buy a small wheel hub motor?

Specifically, where can I buy a high quality small wheel hub motor (with wheel) like the one used for powered Trikkes? http://www.trikke.com/hd_2/Refurbished-Trikkes/Tribred-E-Kit-Upgrade http://www... Read more »


Soldering Copper to Phosphor Bronze

Does anyone know if soldering copper wire to Phosphor-Bronze make a solid and reliable electrical connection? Would it make much of a difference if the copper wire is stranded or solid? If there is a... Read more »


Software for PIC 16F876

Hello, I want to built a simple datalogger with a PIC 16F876, and found a nice schema on the net. My problem: te software (source) is written in C, but i need a hex files to program the PIC processor... Read more »


Thought experiment-will this work?

I think I pretty much understand how induction motors work. A typical single phase motor has a start winding that is approximately in quadrature electrically to the run winding. This provides the p... Read more »


UCANDO videos

If anyone has any old ucando videos on the subject of AC or DC or power supplies or amplifiers or any basic stuff and you want to sell them, at a resonable used price, I'd be interested. I'm just ... Read more »


will shortening a soldering iron heating rod cause a problem?

I need to shorten the end of my solder iron so i have more control of direction and make it more like a pen.....can i cut it down so my fingers are nearer the tip without causing a problem.....though... Read more »