SparkFun Forums 

Where electronics enthusiasts find answers.

Search found 5 matches

 Go to advanced search

 by puffyfish ¦  Mon Nov 02, 2009 4:53 pm ¦  Forum: SparkFun Product Questions ¦  Topic: My GPS project. ¦  Replies: 6 ¦  Views: 1199

After some searching I purchased a $100 200MHz AVR9 board with 5 usb ports. Now if I can only figure out how to control servos and electric motors over USB. I plan on rolling my own linux kernel and filesystem with debootstrap cause I'm a perfectionist. I think I'll just have init exec my program di...

 by puffyfish ¦  Fri Oct 30, 2009 7:36 pm ¦  Forum: SparkFun Product Questions ¦  Topic: Problems with Sparkfun Serial Enabled 16x2 LCD w/Ardunio 5v ¦  Replies: 4 ¦  Views: 1216

You need to set the gamma on the LCD. It can be done with a resistor or potentiometer.

 by puffyfish ¦  Fri Oct 30, 2009 7:24 pm ¦  Forum: SparkFun Product Questions ¦  Topic: PIC-based Geiger counter ¦  Replies: 11 ¦  Views: 8354

How do you test a Geiger counter device? where could you find radioactive sources? would a cathode ray tube tick a Geiger counter?

 by puffyfish ¦  Fri Oct 30, 2009 7:13 pm ¦  Forum: SparkFun Product Questions ¦  Topic: My GPS project. ¦  Replies: 6 ¦  Views: 1199

I will start with manual control and slowly automate it. I'm thinking of using an ARM board running Linux if I can find one small enough.

My GPS project.

 by puffyfish ¦  Thu Oct 29, 2009 5:20 pm ¦  Forum: SparkFun Product Questions ¦  Topic: My GPS project. ¦  Replies: 6 ¦  Views: 1199

I made a simple GPS device on a breadboard. I'm writing a control system for a remote control plane. I wrote a c++ class that parses the NMEA serial data, then output info to the LCD using arduino libraries. Compiled from the command line using SCons python build system, and uploaded to the board us...