Sparky Jr. (Programmable RGB LED HID) with Eugene Andruszczenko

May 6, 2014

2:12:36 PM

SparkyJr. RGB LED Controller 32teeth eugeneyevhen 32teeth.github.io in/32teeth

hi, my name is: eugene yevhen andruszczenko

i am the: executive director, technology

i am : tinkerer, hacker, technology enthusiast

i am also a: rapid prototype developer

i advocate: ethical disruption through showcasing ideas

i am here today to introduce: today's discussion

SparkyJr. RGB LED Controller

what is the SparkyJr.

what is the SparkyJr. the backstory

a few years ago…

i joined a fightclub

i got myself a fightstick

i got myself a fightstick i met some people with ideas

the birth of an open source product

SparkyJr. a programmable RGB LED mod companion light up activation controller for arcade pushbuttons on gaming fightsticks

SparkyJr. built on an open source microcontroller standard.

interlude

a challenge has entered the ring

challenge. low barriers to participation keep costs low (under $25) core hardware only shift registers LED driver IC simple interface for non tech savvy folk open source FTW!

cont(str)ain yourself

limits. atmega328[p][au][nd] only has 20 I/O 6 of which are PWM common arcade controllers have 8 face buttons 8 RGB LEDs = 24 lines (1 common, 1 per color) that’s 32 lines 12 more than we have [facepalm] this was our "'oh sh1t" moment this was our "awwwwwww sh111111111t" moment

work with what you have

approach. 8 I/O for button inputs multiplex the rest

8 I/O for LED common line (anode/cathode) 3 I/O for colors (red, green, blue) row column scanning… …really really fast (no flicker)

port manipulation faster than digitalWrite hello timers aka TCCR (Timer/Counter Control Register)

TCCR0B = TCCR0B & 0b1111000 | 0x01; millis() and delay() TCCR1B = TCCR1B & 0b1111000 | 0x01; TCCR2B = TCCR2B & 0b1111000 | 0x01;

PORTD = B1010010

SparkyJr. RGB LED Controller The i

32teeth eugeneyevhen 32teeth.github.io in/32teeth

results. can be measured by what the eye can see.

The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.

interlude

interfacing with hardware

challenge. round 2. low barriers to participation keep costs low (free) plugins drivers simple interface for non tech savvy folk open source FTW!

the birth of the 'configurator'

an interface created by a software engineer

an interface created by a web developer

an interface created by a web based software engineer

milestones

official Launch. the first commercial version was pre programmed to the users specified configuration using the purchase order form Made to order!

stay open. the first commercial version had an FTDI pinout for advanced users to reset, reprogram, hack. Great Results!

round 2. the second generation introduced a downloadable configurator, built in Processing, exported as a Java application.

shared. the second generation spawned a collaborative project with two web stores dedicated to fighting game hardware and parts

round 3. the third generation release was a collaboration with the web stores, under license to manufacture and distribute under their brands

help desk. end user support became a full time job (almost)

a long hiatus

a brief hiatus

silence is broken. in november of twenty thirteen, i joined createInTO and met rick mason

round 4. the quietly release fourth generation was showcased incorporated with the third generation configurator

reboot. taking the hardware back to the arduino uno r3 no gimmicks

rebuild. both the core SparkyJr. software and configurator where revisited from received feedback, rebuilt, and optimized

demo time!

click me

what's next

ambitious

web enabled. adding web based capabilities tore down any remaining barriers to participation

extended. adding web based capabilities tore down any remaining barriers to participation

api. chrome extensions add capabilities to connect to devices using the usb and serial libraries

what's next for sparky

the final frontier ps360+ ready ws2811 chainable ready same configurator everything compatible

github. you know what it is you know how it works github.com/32teeth

a kick at the can. it's not a kicker-beg it's about involvement max pledge $0.99 github.com/32teeth

open heart. enrolled into the 'at heart' program official support

other projects

arduino in your pocket

lcd/tft ready touch ready

and finally

for 25 consecutive seasons beatings

for having me here today for my 15 minutes of fame! for listening to the beta testers thank you.

and most of all

thank you.

Sparky Jr. (Programmable RGB LED HID) with Eugene Andruszczenko

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