Linear optical encoder from printer parts
Sort by MAKE: Blog (Free subscription) - 11/12/2009 - YouTube
Simple Motor Optical Encoder - Real Program
This Tutorial Can Be Found Here: http://www.pyroelectro.com/tutorials/simple_motor_encoder/
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Linear optical encoder from printer parts
Sort by MAKE: Blog (Free subscription) - 11/12/2009
Here's a linear optical encoder made from printer parts, a PIC 18F4520 MCU, and an L298 motor controller: The goal of this tutorial is to create a way to know where the 'stage' is, accurate to about 1/4'' using optical encoding. The stage is controlled via a 12v motor so we will use an L298 motor controller for controlling the motor via a 18F4520 PIC. The PIC will use hardware PWM generators to output...
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DIY Optical Motor Encoder
Sort by Hacked Gadgets (Free subscription) - 11/15/2009
PyroElectro has built an interesting motor Optical Motor Encoder system that allows a sled to move back and forth using optical feedback to know where the sled is. A L298 DC Motor Controller is used to drive the simple DC motor that is used to precisely position the sled. You may remember this CD-ROM Read [...]