I really love this site: http://123d.circuits.io/
Used to be circuits.io
You can get started prototyping circuits and drawing up schematics without downloading any software. It is all modern web technology in the browser!
I am by no means a professional EE, so if you see anything here that is not up to standards (and you see what I'm doing wrong) please feel free to tell me.
I don't sell these things and I don't intend to.
If you want to try and reproduce my setup, I can help you with that.
Highlights
- The easiest MOSFETS to use are going to be the Fairchild FQP30N06L https://www.sparkfun.com/products/10213. This is a good tutorial on how to implement these switches
1)https://en.wikipedia.org/wiki/Pulse-width_modulation
2)http://arduino.cc/en/Tutorial/PWM
While learning about PWM manipulation, I also discovered a really cool related project http://www.arduinodev.com/hardware/obd-kit/.
Basically, this device allows you to connect an Arduino in and immediately (after some minor coding) read the values via standard OBD-II protocol based interfaces. Some example values are: RPM, throttle position and calculated engine load. There are
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