74*245 Motor Driver
H-Bridge Driver
Simple PWM Gen.
Handy Method Measuring RPM
Measuring RPM via Photo reflector
Introduction to Robotic
DC, Stepper,and Servo Motor
Microcontroller Tutorial
Computer Interface Tutorial .............more links
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Here is all the parts for the construction the beetle robot.
1. Cut the electric wire in pieces of 6 cm each, 13 times.
Strip 1 cm at each end.
2. Regroup all the components.