**Global Instructor : Becky Stewart**

More about Becky on her [[http://eecs.qmul.ac.uk/~rebeccas/|Queen Mary University of London page]] and [[http://theleadingzero.com | theleadingzero.com]]. Slides from other presentations and workshops on similar topics can be found on [[https://speakerdeck.com/theleadingzero|speakerdeck]].

This second class on the topic of wearables and e-textiles will focus on incorporating computation into soft circuits by using microcontrollers and single-board computers.

**Prep for Class**

Install the Arduino software (IDE) on your computer or test that you can use the new Web Editor for Arduino. Upload the Blink sketch. See [[http://adventuresinarduinobook.com/the-adventures/adventure-1-setting-up-your-arduino/|this tutorial]] for guidance on installing the IDE or [[https://www.arduino.cc/en/Guide/HomePage|this page]] for info about both the IDE and Web Editor. Doesn’t matter whether an Uno, Lilypad or some other Arduino board.

Prepare a pressure or stretch sensor.

Have a multimeter handy.


**Class Outline**

Slides available on [[https://speakerdeck.com/theleadingzero/fabricademy-wearables-and-e-textiles-ii|speakerdeck]].

  - Introduction to microcontrollers and single-board computers
  - Sensor circuits for microcontrollers (voltage dividers and pull up/down resistors)
  - Actuator circuits for microcontrollers
  - Hard-soft connections to a microcontroller
  - Code reading Arduino examples (how to figure out what to copy and paste)

Here are the videos that go with the Arduino Starter Kit examples included in the Arduino examples.
{{youtube>2X8d_r0p92U?medium}}

**Assignment**

Create an interactive object; if you are already experienced with coding, focus on fully integrating a microcontoller into a textile circuit. If you are new to coding, choose an example and get it working using your own sensors and actuators.