We've heard you, and made a number of improvements to our EL
Sequencer. The new version adds zero-crossing optoisolated triacs for
noise-free operation and full isolation between the AC and DC sides,
and includes a 1.5A adjustable linear regulator to supply regulated DC
to an external inverter (not included).
The EL Sequencer is a board that contains an Arduino-compatible
microcontroller, and circuitry for controlling up to eight strands of
electroluminescent wire. EL wire is flexible plastic cord that glows
brightly when high-voltage AC is applied to it. It's available in
numerous colors (see the related products below), runs cool, and
requires very little current, but can be difficult to work with
because of the high-voltage requirements. The EL Sequencer can safely
switch high-voltage AC on and off, allowing you to easily create
animated displays or whatever else your imagination can come up with.
In addition to this board, you will need an inverter (a component that
generates the high-voltage AC needed by EL wire), EL wire/tape/panels,
and a 5V FTDI BOB or cable to load your own programs. The board also
has headers for XBee and NRF24L01+ radio modules for wireless
projects. SparkFun carries two inverters, a 3V-input version that can
drive a few feet of EL wire, and a 12V-input version capable of
driving dozens of feet of EL wire. Choose the one appropriate to your
power source and driving requirements. See the tutorial below.
Nate has used EL wire to make amazing interactive costumes; check out
hisHeartbeat Straitjacket anddemo video.
Note: We have fixed the silkscreen error on this board; the FTDI
"black" and "green" labels have been fixed.
* ATmega 328p running at 8MHz, with Arduino bootloader
* Eight opto-isolated, zero-crossing EL control channels
* Headers for XBee and NRF24L01+ for optional wireless control
* No library needed - control is as easy as turning a LED on and off
* Integrated 1.5A linear regulator (LM317) to supply regulated DC
power to external inverter
* Linear regulator preset to 3.3V, but can be changed via PTH
resistors, or bypassed entirely
* Can be powered by a 3.7V Lipo battery (using 3V inverter), or an
external 3.3V to 16V supply (using 3V or 12V inverter)
* 5V FTDI BOB or cable required for reprogramming, not included
* External EL inverter required, not included … more
|Product type||Electronics module|
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Warranty 24 month Bring-in
Limited right of return
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