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There are 100720 individual articles here that are part of 9318 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

Cheap display has weird frequency count


June 23, 2017, 5:30 pm

I bought an inexpensive volt/frequency led display from eBay. On a generator, I get the proper frequency display, around 60 Hz. When I tried it on a dc to ac inverter, square wave output, I get aro... Read more »

Efficient Actuators for Alpha Stirling


June 22, 2017, 6:16 am

The goal is an Stirling w/o a mechanical crank/flywheel. Instead it'll have 2 electric actuators and a linear generator. Supposedly a linear generator, a glorified shake light, can be 95% efficient... Read more »

ground wire

  [ 2 ]
June 21, 2017, 9:07 pm

I have a big mess. A person took off my carburetor on my car and I can not find the person. The carburetor was put back on my car but there is 1 wire from the fuel cut off solenoid that is not conn... Read more »

Ripple Current and ESR

  [ 2 ]
June 18, 2017, 2:20 pm

Hi all, What's the deal with this? I read somewhere that a high ripple current figure for an electrolytic is a bonus; an expensive and sought-after characteristic. However, I'd always thought ri... Read more »

MOSFET: N- or P-, enhance or deplete?

  [ 2 ]
June 16, 2017, 4:37 pm

Here's really basic question for s.e.BASICS: I want to use a MOSFET to control a load, via a switch. The tricky part is that I need load current when the switch is open and no current when the ... Read more »

Impedance calculation (CS stage)


June 8, 2017, 4:50 pm

Hello. I am trying to calculate the output impedance for the following circuit in SPICE notation (CS stage with drain-gate feedback): * input signal vin 1 0 * output signal (output port, where ... Read more »

Timer Terminology

  [ 2 ]
June 2, 2017, 9:58 pm

Hello All, I have been reading this newsgroup for some time, mostly for my own edification and mild amusement/wonderment. Thanks to all for their on topic comments of the past few years. I now ... Read more »

Cheapest way to measure this?


June 1, 2017, 3:44 pm

I have to use a CPAP to sleep well. I'm going camping and will need to bring battery power for the thing. So I would like to measure the power draw over several nights to see what the highest power... Read more »

datasheet for THGBMFG8C4LBAIR


May 25, 2017, 9:13 pm

Hi! Can anyone point me to the datasheet for an thgbmfg8c4lbair 32GB emmc flash chip? Searching only brings up a press release from 2014 and Toshiba hasn't replied to me yet. For now I would be h... Read more »

supercap leakage

  [ 2 ]
May 24, 2017, 9:34 pm

https://dl.dropboxusercontent.com/u/53724080/Parts/Caps/Supercap_Leakage.JPG Looks like it would be fine to stack these in series without any equalizing parts, like regular wet aluminum caps. Meas... Read more »

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The best rated discussions

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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 »

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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 »

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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 »

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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 »

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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 »

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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 »

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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 »

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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 »

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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 »

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5

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 »