by
()blivion
Published on 23rd June 2012 02:14 AM
Number of Views: 3014
Hello and welcome. Feel free to skip any sections you don't want to read. To make this circuit work you really only need
...
by
ElectroMaster
Published on 16th May 2011 02:15 AM
Number of Views: 3586
This is an illustrated tutorial on building a voltage monitor for fan control circuits - rheostats, linear regulators like the LM317/350, and some PWM circuits. It requires a single chip, and can drive 10 LEDs with even divisions from 0V to 12V.
...
by
ElectroMaster
Published on 16th May 2011 01:58 AM
Number of Views: 7304
This is an illustrated tutorial on building a variable voltage control for fans and other units, based on the LM317 regulator. It efficiently allows voltage adjustment from 1.25V to 11.5V with the turn of a knob.
...
by
JBrock
Published on 5th January 2010 06:18 AM
Number of Views: 3161
This update applies to a project posted
here on 2-15-2009.
As originally designed, the PC's fans would be
...
by
Pommie
Published on 5th January 2010 12:12 AM
Number of Views: 2809
This project uses a 12F508 (or 12F509) to read a keypad and send the results over RS232. It is most useful as an add-on
...
by
Mike, K8LH
Published on 4th January 2010 03:01 AM
Number of Views: 4023
For those who may be interested. A simple circuit/method/scheme for adding a serial port to that one off prototype circuit
...
by
Pommie
Published on 3rd January 2010 09:42 PM
Number of Views: 4500
Here is a project I worked on a while ago that I’ve finally got around to documenting.
It interfaces Dallas
...