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

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

hi,mynameis:
eugeneyevhen
andruszczenko

iamthe:
executivedirector,
technology

iam:
tinkerer,hacker,
technologyenthusiast

iamalsoa:
rapidprototype
developer

iadvocate:
ethicaldisruption
throughshowcasingideas

iamheretodaytointroduce:
today'sdiscussion

SparkyJr.
RGBLEDController

SparkyJr.
RGBLEDController
whatisthe
SparkyJr.

whatisthe
SparkyJr. the backstory

i got myself a fightsticki 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.

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!

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

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
T
he
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.

+

challenge.round2.
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

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

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

round2.
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

round3.
the third generation release was a
collaboration with the web stores, under
license to manufacture and distribute
under their brands

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

silenceisbroken.
in november of twenty thirteen, i joined
createInTO and met rick mason

round4.
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

click me

+ + +

=

webenabled.
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

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

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

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

arduino in your pocket

lcd/tft ready
touch ready

for 25 consecutive seasons beatings
for having me here todayfor my 15 minutes of fame!for listening to the beta testers
thankyou.

thankyou.

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

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