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 99733 individual articles here that are part of 9261 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

OT History of Carbon


January 18, 2020, 1:40 pm

https://www.tf.uni-kiel.de/matwis/amat/iss/kap_4/advanced/t4_2_1.html#_3 or https://tinyurl.com/tubg3yk Deals with the history of carbon and it's uses, as well as refining and smelting of metals... Read more »

Remote repeater - bit more power to led output


January 15, 2020, 8:07 pm

Hi, I'd be grateful for a little advice. I use a tvLINKplus device for repeating the magic eye remote signals which are fed back through the UHF aerial cable to my satellite box. It works OK but ... Read more »

Wattage of rough service incandecent bulbs ??

  [ 2 ]
January 12, 2020, 2:45 pm

I have build a series load test light. eg. you plug a load in and it runs i n series through a lamp, in case there is a short, the lamp takes up the lo ad, so as to not blow a fuse. The lamp you us... Read more »

Pilot light


January 7, 2020, 5:09 pm

I have taken some pilot lights out of a broken stove. These lamps indicated whether the element was on or the element was hot. I think they are what you call Neon lamps eg. Small glass bulb with thic... Read more »

Cost of the Cheapest LoFi AM Transmitter ~ 20 - 30m Range

  [ 2 ]
December 22, 2019, 5:49 pm

Everything on Ebay seems to be more than $3. Read more »

?This equipment was never designed to be recycled, which is why we have su...


December 10, 2019, 10:57 pm

Design the electronics to have a rip cord or self destruct button that automatically separates and sorts the items. https://www.theverge.com/2019/12/4/20992240/e-waste-recycling-electronic-basel-con... Read more »

Failure mode of LEDs in overcurrent situation


December 6, 2019, 7:07 pm

I'm curious about what happens to an LED when it is exposed to a moderate overcurrent situation. This question came about as I was troubleshooting some small white LED lights I built using 3 5mm L... Read more »

Crimping technique?


December 6, 2019, 12:35 pm

Is a crimping tool supposed to work on these things? https://www.dropbox.com/s/hnflor5ratjg06s/CrimpingMaleHeader.jpg?raw=1 All of my attempts so far have splayed three of the four squashable secti... Read more »

Roof co-ax amp supply question


November 29, 2019, 1:01 pm

Hi All, I want to test out an in-line aerial amp and have supplied it with 12V battery and circuit for testing as below glummed from the web and spares. I can build things but am no shakes on rea... Read more »

Ads On the Circuit Board


November 16, 2019, 4:57 am

OK, you take something apart 'cause it's broke and you already suspect it was _designed_ to break. Yer suspicions get confirmation and when you get inside. The circuit board has a message printe... Read more »

Click here for other recent discussions »

The best rated discussions

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

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

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

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

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

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

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

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

Electronic parts sites


I am looking for sites that sell electronic components. I have Jameco, but they don't have a lot of components. Thanks, Andy Read more »

rating
5

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 »