Technical Demo 2 : Distance Noise Machine

I built a Distance Noise Machine using an Ultrasonic Ranger, a Multichannel Bipolar Transistor Driver, and a Speaker. The Ultrasonic Ranger sends pings and waits for the echo,…

LED Speed with Accelerometer

This changes the speed of the lights when the accelerometer is moved on the x-axis. When I first started the project I tried to make it so when…

Technical Demo 2: Sonar-sensing Melody

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Stone Butler Tech Demo 2: Sound Oscillator Increasing Speed

For my project I sent a sequence of frequencies to a speaker indefinitely with a for loop. Every time the loop executes again the speed at which the…

Tech Demo 2: Perceiving Distance Through Timing

For my temporal demonstration, I created an arduino circuit that uses the input from a sonar sensor to modulate the frequency of a tone as well as the…

Tech Demo 2: Playing with LEDs

For my first attempt at this project, I wanted to use the speakers and photoresistors to create a piano by using the photoresistors as keys which would then…

Tech Demo 2: Minute Clock

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Tech Demo 2

When the switch is on, it will play a simple melody and when it is not, the speaker will emit an annoying noise.  

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…