Questions tagged [tutorial]

31 questions
333
votes
6 answers

Choosing power supply, how to get the voltage and current ratings?

Power supplies are available in a wide range of voltage and current ratings. If I have a device that has specific voltage and current ratings, how do those relate to the power ratings I need to specify? What if I don't know the device's specs, but…
Olin Lathrop
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34
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5 answers

How does division occur in our computers?

How does division occur inside digital computers? What is the algorithm for it? I have searched hard in google but haven't got satisfactory results. Please provide a very clear algorithm/flowchart for division algorithm with a sample illustration.
program-o-steve
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33
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2 answers

How can I reverse engineer a simple through-hole board?

How can I reverse engineer a simple through-hole board? Trying to do it by eye gets confusing because it's easy to lose track of component orientation and location while flipping the board over. Maybe there's a computer assisted technique that would…
Victor
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21
votes
11 answers

Op-amp tutorial for electronic noobs?

Can anyone point me to a tutorial for electronic noobs that explains how to use op-amps and what I can do with them, besides amplification?
Nikolaus Gradwohl
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20
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8 answers

How many individual lights can an arduino control

I want to use a regular Arduino board to control LEDs - what is the most lights I can control individually from the board? Is there a tutorial on how to hook it up?
mad_z
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18
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6 answers

Choosing Configuration Jumpers - Solder bridges, 0-ohm resistors, DIP switches, pin jumpers

I'm working on a development board, and need to let users set some configurations. It will be used by students and engineers who are trying to build circuits on a breadboard; I'm not dealing with consumers. Usually, the settings will stay the same,…
Kevin Vermeer
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10
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2 answers

5v Power Supply Tutorial

I couldn't really think of a good name for this topic, but basically Im looking for a good Tutorial/Schematic for kind of a "basic" Power Supply (To run Experiments off a breadboard). Typically they seem to use a 7805 5v regulator (coming from a…
user3073
8
votes
5 answers

How to think while working with VHDL or Verilog

All of my experience belong to general purpose programming languages e.g; c/c++ etc where each instructions are executed one after the other but it seems in VHDL/Verilog, all the instructions are executed at once (parallel processes) Just wondering…
itsaboutcode
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8
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1 answer

How do I install a KiCad schematic or footprint library?

After I download a KiCad schematic library or footprint library -- such as the ones from http://kicadlib.org/ -- how do I use it in my schematic and layout? Should I install that KiCad library file somewhere in the KiCad program folders ( C:\Program…
davidcary
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7
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2 answers

Online guide to electronics

I had the luck to have someone who could explain everything to me, but most starting hobbyists don't have someone like that. Is there a guide available which covers all the basics, like formulas, parallel / series, etc.?
user17592
5
votes
3 answers

Using the iPhone to control a remote controlled car via Arduino

So i started this project a while back where i made a remote controlled car that i could control with the directional buttons on my keyboard via an Arduino -> now the next step i want to do is to get the tilt control in my iPhone to be driving the…
mad_z
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3
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2 answers

Where can I find good tutorials on sensor circuit design?

I'm looking for tutorials/explained examples on circuit design in general, but specifically on using various sensors.
slashmais
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3
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1 answer

Antenna modeling software and tutorials

I'm starting to learn about antenna theory, feedlines, and different types of matching. I can build antennas etc from plans but I would like to be able to design my own and understand their characteristics. What software could I use to get started?…
MarkSchoonover
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3
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2 answers

PICkit3 vs PICkit2

I would like to know the difference between the pickit3 and the pickit2?. Currently I'm studying in an electronics course and am using the pic18F. What I'm looking for is an introductory guide to programming the pics, and for the most part I hear…
silent
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3
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3 answers

Using a Wii Nunchuck for data collection

Anyone got a good tutorial on using and Arduino to capture the Wii Nunchuck accelerometer data?
mad_z
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