September 2017 Page 3 of 8

Tech Demo 2: Buzzer Countdown

This demo is a countdown for 5 seconds, that is followed by a buzzer. For every second, an LED lights up, and by the fifth second the buzzer…

Tech Demo 2: LED Ladder

In this tech demo, seven LEDs arranged in a row light up consecutively and then turn off in the reverse order. The output is activated when the photosensor…

Jarrek Holmes – “Drawing Movement”

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Background Research : Social Robots

The Tech Museum of Innovation in San Jose, California, created an interactive exhibit called Social Robots, aimed at children 6 years of age and older. These robots are…

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: Photocell Controlled Servo

   

Tech Demo 1: Controlling a Servo and LED using a Pushbutton

I used the digitalRead function to read the value of the button. Depending on the button state, the servo and LED were either moving in steps and on…

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)