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April 22, 2009
about 6 years ago
I saw your board at maker faire, and I wanted to compare notes. (I built a very similar project for el-wire 2 years ago… used a PIC to make 8 channels, ganged a lot of pics together to make a 280 channel sequencer to light up the dome struts.)
Did you have any problems with your triacs? I noticed you didn’t need snubber circuits or triac drivers / isolators.
Did you have any problems with the fading? I found that a high frequency driver (ie. 4kHz) would not fade as well as a lower frequency driver (ie. 1kHz) until I adjusted my PWM’s to be all front loaded.
Anyway - nice project, I like the size… mine are significantly larger (through hole components)
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