A
servo motor is a rotary actuator or linear actuator that allows for precise
control of angular or linear position, velocity and acceleration.
Controlling
the angular of servo motor – circuit
Controlling the angular of servo motor – sketch
Controlling
the angular with potentiometer – circuit
Controlling
the angular with potentiometer – sketch
Piezo speaker
A
piezoelectric speaker or buzzer is a loudspeaker that uses the piezoelectric
effect for generating sound.
Notes
on a keyboard are usually given names. One naming system is to use the normal
note names C, D, E, F, G, A and B.
Making
a sound with piezo speaker – circuit
Making a sound with piezo speaker – sketch
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