Category Archives: phd

(Opto) Photo Interrupter – pushing the limits

The z1670 photo interrupter from altronics ships with a 3mm gap through which an obstacle must pass to trigger a voltage drop that can be detected as  digital state change by something like an arduino. What if you want a wider … Continue reading

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LoLa Prototype v1.1 = SUCCESS

It Lives! A broomstick driven, photo interruptor sensor enabled pendulum that uses MIDI to make a sound for each half swing. As part of my research for the Institute of BackYard Studies , I am prototyping various components for a Lightly … Continue reading

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(Opto) Photo Interrupter – working properly as DIGITAL input to Arduino DUE

The z1670 photo interrupter from altronics is actually a BPI-3C1-13 by bright led electronics corp. This is how you connect it to an Arduino digital input at +5V. I’m using an Arduino DUE so I used an external +5v power supply … Continue reading

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(Opto) Photo Interrupter – first look

Yay – my first electronic ‘explosion’ courtesy of an (ex) Photo Interrupter! In a hurry to have my first try at an optical switch, purchased yesterday from JayCar I did the following: I used this zd1901 photo interrupter from JayCar … Continue reading

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LoLa platform for sensor testing

To figure out which sensors / switches will reliably trigger sounds from sixteen swinging pendulums on our proposed ‘Lightly Oscillating Linguistic Organ’, I decided to build a test bench. While doing so it occurred to me that like Professor Tanya … Continue reading

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LoLa Prototype v1.0 = FAIL

As part of my research for the Institute of BackYard Studies , I am prototyping various components for a Lightly Oscillating Linguistic Organ (LoLa) – a musical instrument that harnesses the sinusoidal beauty of the pendulum wave. Inspired by a creative … Continue reading

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Hello Android

My research for the Institute of BackYard Studies requires a wee bit of programming on some android phones. Thanks to Dennis and Emma for responding to my twitter/facebook request for freebie handsets. First impressions – huawei ascend g510 running android … Continue reading

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Arduino – Crickets (played by Processing with minim)

I grabbed the minim library for better sound control in PROCESSING from compartmental.net, installed and eventually got it running. Pretty easy to play a sound from .mp3 or .wav file – in fact playing three at once sounds really cool. … Continue reading

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Arduino – Listen (Sound MIC input)

Picked up a freetronics MIC Microphone Sound Input Module at Jacar the other day. Let’s see what it can do. The ‘Hello World’ app from freetronics website reads SPL levels and writes them to serial port. Seems the values are … Continue reading

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Processing – Serial Input

Now that we have the PROCESSING ‘Hello World’ thing happening, let’s try to get some input from the SERIAL port (USB emulation ). This is how I plan to do shiny things with the output from my arduino hack that … Continue reading

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