Possible pins for driving NeoPixel with ESP32?

[espruino-discuss3]

Posted at 2018-02-22 by n00b

I successfully drove NeoPixel matrices using MOSI pin (D13) on my dev board from: https://www.ezsbc.com/index.php/featured-products-list-home-page/wifi01-32.html#.Wo4QjxPwZTY

I'm making a clock with 4 buttons as input. Later I discovered that setWatch currently only works for D12 - D15 (using 1.95). Some pin throw error when I set setWatch (unable to setWatch) and some can be set but once button is pressed I got either crashes or turning on board LED . As I think I'll need D13 for one of the button, I'll need some alternative pin to drive the matrix.

Anybody knows if I can use other pin(s) to drive the matrix? I thought about software SPI but the code I use to write accept direct pin:

neopixel.write(D13, ledbuffer);

Thanks!

[espruino-discuss3]

Posted at 2018-02-22 by Wilberforce

The latest firmsware fixes setwatch to work on pins greater than D15, so install v1.96 can your're good to go!

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Posted at 2018-02-27 by n00b

Thanks! I have all the pins I need now!

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Posted at 2018-02-27 by Wilberforce

If you don't mind, please share you code so others can see how you have done it.

If you post the source between three back ticks ` it gets marked as code, or use the </> code bar above.

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Posted at 2018-02-28 by n00b

Sure! I managed to use setwatch D25, D26, and D27 on my board. For the code of what I'm making, I want to post in the Projects section, trying to squeeze time to do it. Thanks!