Best Rated threads in Hobby Electronics Basicsshow all threads
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Why are engineering sample CPUs illegal to sell?
Why are engineering sample CPUs illegal to sell?
41
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2 years ago
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41 | |
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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
5
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4 years ago
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5 | |
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Max Frequency of SM 118A counter?
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. Mikek
20
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10 years ago
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20 | |
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PIC32 hair puller
This _should_ be PIC Assembly 101; I know I'm missing something obvious, but I'm still missing it. Using a PIC32MX150, I'm trying to access the i/o pins on PORTA and PORTB. For some reason, A0, A1,...
10
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10 years ago
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10 | |
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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...
4
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10 years ago
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4 | |
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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...
8
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12 years ago
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8 | |
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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? Or some other small wheel (16 inches or less) hub motor? Thanks.
10
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13 years ago
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10 | |
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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.....
4
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13 years ago
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4 | |
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Transformer Simulation in LTSpice
I have just started using LTSpice . I am slowly learning how to use the simulator. I thought that I would try to simulate a 1:3 step up transformer. I thought that I followed the directions that I...
3
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15 years ago
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3 | |
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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...
2
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15 years ago
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2 | |
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Will the LM393 drive a small relay?
I need to switch on a relay with the output of the LM393. The relay is a 5vdc unit from RadioShack. Does the LM393 have what it takes to trigger this relay? If not what should I put between the relay...
1
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16 years ago
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1 | |
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How do you test a capacitor?
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...
23
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17 years ago
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23 | |
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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 apparently...
1
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17 years ago
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1 | |
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Ultrasonic Range Meter
Hi, I am trying to build an ultrasonic range meter using an AU5550 ( - 40 khz transducer. i am using the pic16f877a to send the 40 khz pulse to the transducer, 12v supply. -- I realise that i need to...
25
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18 years ago
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25 | |
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Analysis of circuits containing diodes
Hi, For the past couple of weeks I've been working through a book called "Network Analysis" by M.E. Van Valkenburg. Specifically, I've learned how to use Mesh/Nodal Analysis and Laplace Transforms to...
6
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18 years ago
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6 | |
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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...
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18 years ago
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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.....thought...
1
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18 years ago
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1 | |
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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...
2
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19 years ago
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2 | |
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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...
20
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19 years ago
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20 | |
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How to calibrate a volt meter?
I have a Radio Shack digital multimeter, and it seems to me that the DC volts shown for things like batteries may be reading a bit high. What kind of standard measurement could I make that would tell...
13
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15 years ago
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