teensy MIDI instrument

190611 - Apples MIDI Instrument

190611 - Apples MIDI Instrument

In the first video, I’m playing sounds by touching apples. My first MIDI instrument thanks to my friend Khan who sent me this tutorial > http://little-scale.blogspot.com/2017/05/teensy-36-basics-touchread.html

In the second video, I’m playing a sound via a push button.

I’m learning how to use MIDI with a Teensy microcontroller and Arduino to make a digital instrument.

2 bend sensors analog read arduino etextiles

190524 - Bend Sensor + Multi-Touchpad Read In Arduino and Visualized in openFrameworks

190524 - Bend Sensor Read In Arduino and Visualized in openFrameworks

2 Bend Sensors being visualized.

Reading serial in oF via ofxSimpleSerial to read both separate inputs.

In Arduino, I’m using the INPUT_PULLUP in order to use the internal 20k ohm resistor as a voltage divider.

A0 + A1 as analog pins for both sensors and the other Ground pins for the other side with the alligator clips.

I learned about creating matrices during Make Your Own Multi-Touchpad Workshop.

We read the serial values using vvvv, a commercial toolkit for visual programming, as well as Processing, a JAVA based language.

Since openFrameworks is my tool of choice, I used it to write an app to visualize Multi-Touchpads.

190321 - Light Vest - Process of sewing

eTextile sewing for Light Vest

Sewing the textile enclosure for the fiber optic which to carry the lulu ‘s light.

You can see the copper conductive thread sewed as well.

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voltage divider

190317 - Voltage Divider - Bend Sensor controls LEDs

190317 - Voltage Divider > Sensor to control LEDs

The player above has 2 videos:

They show the tests of the bend sensor affecting the red led.

The first video uses a Flora board by adafruit.

In the second one, I am testing the ATtiny85 which ended up being the chosen microcontroller.

The sketchbook notes shows how the Voltage Divider works.

It ables me to turn the ohm changes from the sensor into voltage for analog reading by the microcontroller.

bend sensor

190316 - eTextile Bend Sensor


The process of making an eTextile Bend Sensor.

Conductive thread and fabric are used to capture the change in ohms from the bending.

190313 ATtiny85 to light LEDs


ATtiny AVR programmer by Sparkfun / ATtiny85 lighting up 2 LEDs from 2 different pins for the lulu