Category: Demos Page 4 of 6

Jarrek Holmes – “Drawing Movement”

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Tech Demo 2: Robot Hokey Pokey

Using the Romi32U4 library, I programmed the Pololu Romi to play and dance to the Hokey Pokey song.

Tech Demo 2: Temporal Machine

This Machine uses Sonar to sense if an object is near the sensor, at which time it alerts the viewer by rapidly blinking LEDs. If the object is…

Tech Demo 1 — Servo/LED control.

I learned how to control a Servo through PWM pins. By using digitalRead, digitalWrite, and servo write, I read the input switch and told the servo to point…

Tech Demo 1 : Photoresitstor to Speaker

Photoresistor input acting as an ‘on’ switch for a speaker song output. (VIDEO LINK in case embed fails)

Tech Demo 1

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Tech Demo 1: SISO

A sonar sensor is used to define two states, one where there is an object present, and one where there is not. The servo will change its tick…

Snap On Snap Off Light

  Physical Computing Input Output Movie  

Tech Demo 1: Intruder Alert System

As someone comes closer to the Ultrasound, the higher the pitch of the buzzer gets. And the farther the distance, the lower the pitch.

Tech Demo 1- Sound Detector & LED

Video: Single Input-Sound Single Output- Light The sound detector senses analog sound waves which causes an LED (which is wired to a digital pin on the Arduino) to…