Making Things Move
and AVR Programming
CS4062 - Eoin Brazil - Semester 2 - 2008

Servos and Motors
Motion
linear or
rotary Stepper Servo
conversion
issues
Types
DC
Servo Gearhead DC Motor
Stepper
Gearhead

DC Motor
2 Connections
Continual spin, given current & voltage
Reversing current, reverses the direction
Increasing the voltage, spins faster,
decreasing the voltage, slows the spin
High speed but low torque
Gearbox can add torque but at the expense
of speed

DC Motor Example

DC Motor Example

DC Motor Example