Linked Questions

16
votes
5answers
40k views

What are the best free schematic tools out there? [duplicate]

I'm sure there are plenty of schematic tools available. Which ones do you use/prefer? Feel free to also list tools which aren't completely free but very popular.
1
vote
2answers
692 views

Draw circuit diagrams with custom shapes? [duplicate]

I want all the benefits of dedicated schematic drawing software but I often don't like the way the diagrams actually look. I know it sounds trivial, but I find it easier to read nicely hand drawn ...
2
votes
0answers
151 views

Schematic editor for digital designs [duplicate]

Possible Duplicate: Good Tools for Drawing Schematics I'm looking for a schematic editor/capture tool to use in the very initial steps of a digital design. This is, as a block diagram editor, ...
1
vote
1answer
89 views

Stencil schematic creation software [duplicate]

quick question, I am able to create schematics in EAGLE and other online based tools. But for the purpose of creating basic schematics, i.e. no model numbers, with basic stencil component outlines? I ...
1
vote
0answers
117 views

What software do people use to make digital circuit schematics? [duplicate]

What software do people use to make electronic circuit schematics like this or similar.I tried using multisim but it seems to miss most chips.
2
votes
0answers
89 views

Open source software for schematics [duplicate]

I am looking for an open source (or just free) software for creating electric schemes. It would be better if your program could do other schematics (for instance, installation schemes of physical ...
30
votes
3answers
13k views

Anyone knows what software tool is used to draw these circuit schematics

I was reading online and found this site: http://www.cppsim.com/ I was very curious how this professor drew all these circuit diagrams in his lecture notes (such as this one: http://www.cppsim.com/...
10
votes
5answers
2k views

What is the most cost effective way to produce a custom circuit board?

UPDATE June 21, 2012: I purchased a Ferric Chloride, Positive Developer, and positive PCB boards from MG Chemicals and used the photo-etching process. The results were OUTSTANDING! You don't need ...
9
votes
7answers
710 views

Software suggestions for electronic simulations?

I am a beginner in EE engineering and want to use a software where I can analyze signals or even motor speeds, power electronics ect. But the Spice programs looks so boring and detailed for me. Maybe ...
3
votes
4answers
18k views

Voltage Controlled Current Source integrated circuit? Exists?

Does anyone know of a Voltage Controlled Current Source IC? Or do you know how I can build one with as few other components as possible taking up a minimal amount of space? current range needed is ...
3
votes
3answers
16k views

How can I add a power-off delay to this circuit

This may seem simple but I am trying to learn EE. In the below circuit, how can I add a delay when the button is released the relay will stay energized for approx. 5 seconds. My Circuit: ...
6
votes
4answers
1k views

The motor gets slower and continues to decrease in speed when using 6+ transistors in the circuit, why does this happen?

Using a simple light circuit to power a motor, when using 5 transistors, the motor spins fast increasing in speed and amps as each transistor is added. However, when I added a 6th transistor, the ...
5
votes
3answers
48k views

How to control the speed of a 12V DC motor with an Arduino?

I'm trying to figure out how to control the speed of a 12V DC motor with an arduino and a 12V battery. I want to split the «power» and «control» parts of the circuit so the Arduino and sensors ...
3
votes
2answers
5k views

What template in Microsoft Visio would one use to lay out a digital design?

What template in Microsoft Visio would one use to lay out a digital design? I draw up many schematics for the Adv. Digital Design course I'm in and cannot find the right template. Flow charts are too ...
5
votes
4answers
2k views

How to hack a walkie-talkie to light up LEDs when it receives a signal

Rookie circuit-bending question: I am trying to hack a walkie-talkie to light up some LEDs when it receives a signal. I figured the easiest thing to do would be to have the LEDs light in relation to ...

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