Celestial
Audio
Jesse Lackey
Freelance electronics design
Oakland,
California
Contact: jesse@celestialaudio.com
“Opportunity is missed by most
people
because it is dressed in overalls and looks like work.”
~Thomas Edison
High channel count DMX
LED
dimmer packs for sale!
Two
commercial
spinoffs
of
client
projects.
Every
unit is
tested
and supported by the engineer who designed it. Ask
me questions about your application!
DMX LED Hardware main page
32 channels @ 8 amps DMX LED
dimmer
pack:
this board controls 32 LED
clusters/strips (or anything DC powered) of up to
48V @ 8 Amps each. Beefy!
$299 USD.
(Discontinued, limited quantity still available) 48
channels @ 20 to 80mA DMX LED dimmer
pack:
this
board controls 48 LEDs
(single
LEDs or several in series) at 20 to 80mA each,
with no current-limiting
resistor needed.
Project Portfolio
Some
of at least
50
completed
in
the
past 8
years
finally being documented on-line:
Large-scale custom-designed LED installations:
Opened
May 13 2010:
A newly renovated nightclub in
the
UK has a 10,000 RGB LED
installation
that
was built entirely with electronics I
custom designed!
all the
details
Opened
Dec 3 2009:
Louis Vuitton CityCenter at the Crystals, Las Vegas:
4000 LED
façade,
custom
designed
electronics.
News
flash! Winner of the
Paul
Waterbury award for outdoor
lighting
design for 2010!
all the
details
Pro Audio: (in order of
sophistication)
4 channel
mic preamp
and A/D converter for surround sound recording, battery powered
portable
(Keywords: Xilinx FPGA, VHDL, PIC 18F, C, USB,
Audio
Precision)
2 channel mic preamp and A/D
converter,
battery
powered
portable
Phantom
power 2 channel P48V unit, battery
powered portable
Headphone
Amp
and
DAC high
performance headphone amp and D/A converter,
battery
powered portable
DMX and LED related:
Controllers and display drivers
(no
LEDs), in order of sophistication
Leoplayer:
Ethernet
and
SecureDigital card file
playback to DMX and custom RS-485 installations
(Keywords: MC9S12NE64, HCS12, Ethernet, TCP/IP,
LCD,
SD,
dc/dc, DMX, C, Imagecraft ICC12, NoICE)
DMX 16-AC: 16 channel DMX
controlled
3500W AC light switcher
(Keywords: RS-485 Isolation, PIC18F442,
Solid-state
relay, C)
DMX 32-DC: 32 channel DMX
controlled
LED / 10-Amp LED cluster dimmer
(Keywords: RS-485 Isolation, PIC18F442, NFET, C,
Sotware PWM)
Displays (LEDs and
electronics on same board), in order of sophistication
144 RGB: a 9" x 9" grid of 12 x 12
RGB
10mm LEDs, DMX controlled
(Keywords: DMX, Multiplex, PFET, TLC5940, PIC
18F2520, C, high current)
bm2006: 25 RGB
10mm LED 9V battery powered wearable for burningman 2006 (also with
RS-485 control)
(Keywords: DMX, Multiplex, PFET, TLC5940, PIC
18F2520,
C, portable)
Hive:
25 LED RS-485
controlled board (each LED individually dimmable) in a 192 unit
installation
(Keywords: RS-485, TLC5940, PIC 18F252, C)
bm2005:
16
white
10mm
LED
9V
battery
powered
wearable
for
burningman
2005
(also
with
RS-485
control)
(Keywords: RS-485, TLC5940, PIC 18F2520, C,
portable)
bm2004: 25 orange
5mm LED 9V battery powered wearable for burningman 2004
(Keywords: PIC 18F442, NFET, C, portable)
DMX splitter, 8-way,
world's smallest I'm sure
Also see the pile of
miscellaneous
projects, many involve blinking things, if you're into that kinda
stuff. (who isn't?)
Other: (in order of
sophistication)
(many more documented...eventually)
Terp: wirelessly controllable
mp3
player using Smartmedia flash memory & rechargeable li-ion
battery
(Keywords: PIC18LF6720, STA013, dc/dc, Linx
HPIII,
900Mhz, MIDI, Smartmedia, FAT12, C)
PICBasic
programmable: general-purpose control board for
onesies of
custom random art+tech stuff
(Keywords: PIC18F4620, RS-485, NFET,
Potentiometer, C, PicBasic)
Many other things: projects too
small
to warrant their own webpage. I've done a lot of miscellany
(Keywords: PIC 18F, PIC 16F, C, Assembler, MIDI,
EL
wire, triac, xenon strobe lights, RS-485, DMX splitter)
Ancient things.
The "WaveFix" Freebie Software (DOS)
Windows 95 / DOS / PC Hardware tips and
tricks
for audio work (in case you are stuck in 1996)
personal misc junk-ola