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There are 100660 individual articles here that are part of 9333 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

MOV Search

November 23, 2021, 3:01 am

Hello, I am an Alarm Technician among other things or stuff. I was thinking about installing a simple MOV on the Transformer that feeds power to the Alarm Board. The industry standard is 16.5VAC... Read more »

DC motor soft start

November 23, 2021, 2:20 am

I found this neat soft-start circuit on the eevblog forum. Its neatness is that the gate threshold voltage occurs immediately and then the RC softness kicks in. V+ ________________________ V+ ... Read more »

Potentiometer Project

November 18, 2021, 10:33 pm

I'm working on a custom project that involves potentiometers and picture adjustments on the monitor they are connected to. To determine whether or not the potentiometers I need exist or if I need to... Read more »

the fable of the diode

November 4, 2021, 2:09 am

Once upon a time, there was a village called Diode. The inhabitants were an excitable lot, who tended to get charged easily, positively or negatively. They liked to play musical chairs. When a... Read more »

DC relay coil

October 19, 2021, 3:08 pm

I have a DC relay with the coil connections marked + & -. Does it matter? The relay operates with either polarity so there is no internal flyback diode. It's a 24v, 33ma coil for those who wan... Read more »

Semiconductor manufacturing locations

October 18, 2021, 7:51 pm

Hello, In light of the cargo ship debacle in the Pacific, I am trying to determine which companies still manufacture semiconductors in the US and Europe. I found these: https://www.thomasnet.com/a... Read more »

anti-music "remote control"

October 12, 2021, 12:29 am

https://www.vice.com/en/article/jg8wnb/square-dancing-noise-china Residents who are fed up with the noise from China's ubiquitous dancing grannies are resorting to a special device that cou... Read more »

DC motor supply

October 11, 2021, 5:39 pm

I have a 24v DC motor that I'm using with a PWM controller supplied by a 24v SMPS. I want to be able to briefly switch the motor to 48v with a relay. I don't have a 48v supply, but I do have a ... Read more »

Re: What are the standard abbreviations for colors in electronics? IE. R = ...

August 31, 2021, 11:46 am

I know several. But the OP wasn't asking about color code, he was asking about color abbreviations. R for Red; G for Green etc. Read more »

Confirmation needed

August 30, 2021, 12:15 am

I'm going to make a 12v DC power supply with a linear reg. I will half-wave rectify 12v AC and have a smoothing cap. The load is only 10ma. So: 12v RMS is 17v peak, minus the diode drop of 0.7 is... Read more »

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The best rated discussions


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 »


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 »


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 »


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 »


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 »


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 »


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 »


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 »


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 »


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 »