Introduction to Hackerspaces and Arduino

carlynorama / LA Makerspace June 4, 2013 / Mattel Maker Dayarlynorama for Introduction to Hackerspaces & Arduino

Sunday, April 20, 14

hackerspaces.org

DIY Freaks Flock to ‘Hacker Spaces’ Worldwide

• BY DYLAN TWENEY 03.29.09 8:59 PM

profitmodel

kid friendliness

costs &openness

communityinvolvement

size &equipmentfocus

@crashlibrary

arlynorama for Introduction to Hackerspaces & Arduino

A walk around the ecosystem

(Arduino™)

Before

Hardware

“Location-aware motion-detecting music player”

motiondetector Arduino GPS shield MP3 shield+ + +

(thank you @todbot)

Working prototype in an afternoon.

(not to scale)

And now even more options...

Just keep it simple

There are lots of ideas

Let’s Make

Check the parts• Kit complete?

• Arduino works?

• LED lights?

• Photocell(s) function?

Assemble the parts

Load the code

Let’s Make

Check the parts• Kit complete?

• Arduino works?

• LED lights?

• Photocell(s) function?

Assemble the parts

Load the code

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

The Kit

brwn blk orng

orng orng brwn orng orng brwn orng orng brwn

The Kit

brwn blk orng

orng orng brwn orng orng brwn orng orng brwn

Hello World

File Sketchbook

StopLightProject_01_Blink1

LED - Light Emitting Diode

5V+ GND

Properties• Diode = One way valve

• Light emits in a cone shape

Specifications of ours• Color - Red: 620-625nm,

Yellow: 587-591nm Green: 520-525nm

• Forward Voltage - R/Y: 1.8-2.2VDC Green:3.0-3.4VDC

• Forward Current - 20mA

• Viewing angle - 40 degree

• Luminous Intensity: R/Y100-150 mcd (millicandela), Green: 150-180 mcd

5V+ GND

Resistor

Properties• Current Limiter

• Voltage Dropper

• Transforms electricity into heat.

Specifications• 1/6th Watt

• +/- 5% tolerance

• Plated Through Hole

• 330 Ω (ohm)

Resistor

2 3 4 5 6 7 810 9 5% 10%

10,000 Ohm Resistor with a 5% tolerance5%

330 Ohm Resistor with a 5% tolerance5%

3 zeros

1 zero

Breadboard

PRO • Fastest way to mechanically

connect wires with no extra tools.

• Easily editable.

CON• Part layouts can be unintuitive.

• Can be hard to troubleshoot a broken connection.

• Connection are not rugged.

top underside,backing removed

Light an LED on a Breadboard

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Photocell / Photoresistor

Properties• Type of variable resistor

• Resistance decreases in the presence of light, therefore current flow goes up and voltage “consumed” (heat dissipated) goes down

Specifications• Light resistance : ~1k Ohm

• Dark resistance : ~10k Ohm

• Max voltage : 150V

• Max power: 100mW

Light an LED in series with a photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Blink External

File Sketchbook

StopLightProject_02_Blink1_ExternalLED

Set up the other LEDs

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Add Photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Add Photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Add Photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Add Photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Add Photocell

SCLSDA

AREFGND

IOREFRESET3V3

PWMPWMPWM

PWMPWM

w.arduino.ccA

Arduino

Hello World

File Sketchbook

StopLightProject_01_Blink1

(this is what is on there now)

Blink External

File Sketchbook

StopLightProject_02_Blink1_ExternalLED

Blink External

File Sketchbook

StopLightProject_03_Blink3_StopLight

Blink External

File Sketchbook

StopLightProject_03_Blink3_StopLight

Analog I/O

File Sketchbook

StopLightProject_04_AnalogRead

Analog I/O

File Sketchbook

Analog I/O

File Sketchbook

Analog I/O

File Sketchbook

Analog I/O

File Sketchbook

Analog I/O

File Sketchbook

Analog I/O

File Sketchbook

Threshold

File Sketchbook

StopLightProject_05_Threshold

Threshold

File Sketchbook

Threshold

File Sketchbook

Threshold

File Sketchbook

Threshold & StopLight

File Sketchbook

StopLightProject_06_BadListener

File Sketchbook

Blink withno delay()

File Sketchbook

StopLightProject_07_blinkWithoutDelay

File Sketchbook

StopLightProject_08_Speed_GoodListener

Good Listener

File Sketchbook

StopLightProject_08_Speed_GoodListener

Good Listener

File Sketchbook

StopLightProject_09_ThresholdAsSwitch

Threshold As Switch

File Sketchbook

Threshold As Switch

File Sketchbook

Threshold As Switch

File Sketchbook

Threshold As Switch

File Sketchbook

Threshold As Switch

File Sketchbook

Threshold As Switch

File Sketchbook

Threshold As Switch

What Next?

Harden for testing or using

Share again

Design for manufacture

What Next?

Share again

What Next?

Share again

What Next?

Share again

http://www.reddit.com/r/maker/

What Next?

Share again

Design for manufacture• Kit or Product?

“anyone know a good contract engineer”

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