Hobby Electronics Basics - Main Page

Do you have a question? Post it now! No Registration Necessary

Hobby Electronics Basics - for you, electronics enthusiasts!
Web, RSS and Social Media interface to sci.electronics.basics
There are 101354 individual articles here that are part of 9367 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

Looking for a good way to compare CR2450 batteries


January 14, 2018, 8:01 pm

I use enough CR2450 coin cells in equipment in my shop that I think it makes sense to test a few brands against each other to see which is most economical. I don't know enough about how to load di... Read more »

dying trees


January 12, 2018, 5:32 am

As is seasonally traditional, we recently had a dying tree in our house the tree had no roots, the base of the trunk sat in a vesel of water, and if the water is not kept topped up the tree dies ... Read more »

Re: CES 2018: An underwear to protect your private parts from radiation


January 11, 2018, 5:45 pm

On Thu, 11 Jan 2018 00:52:20 +0800, Mr. Man-wai Chang Protect your private parts from radiation; then he starts in with: Now my question is... Read more »

$0.79 Clip On LED Light for Phone Batteries


January 8, 2018, 6:49 am

I have a collection of batteries I find cycling. Yesterday it was a Galaxy Note 4. You don't have to cycle thousands of km to find a mangled PDA wit h the dislodged battery nearby. They leave t... Read more »

Solder paste


January 6, 2018, 5:37 am

I having been using Oatey solder paste when soldering large diameter wires. I know it's designed for copper pipes. Is there something better? Thanks, Andy Read more »

Bifilar inductor?

  [ 2 ]
January 4, 2018, 7:37 pm

Hi all, silly question. Dave's EEVblog was on... there was this bifilar wound coil (starts at ~39 minutes in) https://www.eevblog.com/ (hmm latest video I guess, Mailbag #1049) My question is; ... Read more »

LEDs: "wattage" redefined


December 31, 2017, 1:53 pm

I got these LED floodlights for free - 24 watt, 12 - 30v. I put one on a bench supply & checked the current: 500ma @ 12v - 300ma @ 30v. OK - they were free, otherwise I'd be pissed. Read more »

What is a "wet contactor"


December 18, 2017, 5:42 pm

An eBay listing for a electronic tachometer specifies that it's input can be a wet contactor. Is there a standard meaning for wet contactor? Thanks, Bob Read more »

Triac efficiency


December 15, 2017, 12:49 am

Hi everyone, When regulating the power to a motor or light, does the triac do so efficiently or does it dump the unwanted power as heat, as a linear voltage regulator does? Thanks, Michael Read more »

Zoho Setup | GST filing | Accounting services Hyderabad


December 12, 2017, 10:44 am

Free Zoho Setup | Zoho Activation | Alchemistconsultants. The Goods and Services Tax has changed the Indian tax collection framework. The GST Act was passed in the Lok Sabha on 29th Ma... Read more »

Click here for other recent discussions »

The best rated discussions

rating
5

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 »

rating
5

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 »

rating
5

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 »

rating
5

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 »

rating
5

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 »

rating
5

Questions in regard to Art of Electronics


I recently started teaching myself electronics in my spare time with the help of The Art of Electronics and its student manual. I have worked my way through the first chapters, but I have some questi... Read more »

rating
5

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 »

rating
5

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 »

rating
5

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 »

rating
5

HC08 development under Linux


I've always been singularly impressed by the people who can make lights blink and robots roll and whatnot. I've been trying a foray into that world for about a month now on and off with the apparen... Read more »