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March 5, 2013
Tutorial - Setting up an EL display with the EL Escudo Dos
about 3 years ago
I wonder if I could just have a capacitor parallel to the output from Arduino before the phototriac? There is also a resistor in there that makes it a low pass filter. So then I could dim EL wire all the way without flicker?
Oh, but then it can only adjust all EL wire brightness at once.
I have figured it out and digital pots won’t work on many applications, too limited. They cannot block the 200V, around 2.15mA for 3 meter from inverter. If we were to block it from the battery, the current that flows from the battery is too high (around 20mA permeter). Digital potentiometers are too low power.
The closest thing to use a digital potentiometer is:
Each continuous EL wire segments cannot have more than 1 meter.
An inverter is needed for every segment of EL wire.
about 4 years ago
More info on the Hall Effect sensor and the momentary button used for the trackball:
No public wish lists :(
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