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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