I found the following links in my favorites after completion of the Unimog hardware. All these pages have been helpful in some way.

Projects

• SuperREGIS Roving Robotic WebCam a autonomous webcontrolled vehicle - bigger than Unimog :-)

• Robotics Links for technophiles

• very small robot samples

Robot resources / circuits

• Bowden's Hobby Circuits a collection of circuits for the hobbyist

• ePanorama.net - All about electronics various electronics circuits and documents

• Interfacing to the IBM-PC Parallel Printer Port

• Jim Fuller's Web Resource Site

• PC Generated Pulse Width Modulation (PWM) DC motor Speed Control

• Pitronics - Over Robots

• Dan Creagan's Robots

• Rover Project uses the same sensors (GP2D12 and Polaroid 6500)

• Tech Geek - Building a robotics community

• Seattle Robotic Group newsletter The Encoder

Parts

• IC-ID Integrated Circuit Identification find out what parts you have

• PWM motor controller for DC motors and fans

• Polaroid 6500 Sonar Module pdf

• Polaroid Sonar Module manual pdf

• Motor Drive Electronics

• Color Resistor Code

• the CNY70 is the part I used for the tacho to count how far Unimog drove CNY70.PDF pdf

PIC Links

• PIC 16F877 Datasheet pdf

• JAL list everything you want to know about JAL

• PIC16F84 and PIC16F877 application very good documentation how to connect in and output to the PIC 16F877 - thank you very much, vasile

• JAL resources

• PIC - Ubicom Dev'rs - What's New

• PIC Theory