Search found 3 matches
- Wed Jul 06, 2022 8:35 pm
- Forum: MicroPython pyboard
- Topic: Some issue of Pyboard GPIO speed
- Replies: 5
- Views: 29921
Re: Some issue of Pyboard GPIO speed
Fortunately we provide a driver (machine.bitstream) for this protocol in the Pyboard firmware, and there's a Python library you can use to control it -- https://github.com/micropython/micropython/blob/master/drivers/neopixel/neopixel.py Hello, as your suggestion, I also try to use the neopixel libr...
- Wed Jul 06, 2022 4:13 pm
- Forum: MicroPython pyboard
- Topic: Some issue of Pyboard GPIO speed
- Replies: 5
- Views: 29921
Re: Some issue of Pyboard GPIO speed
So I try to use software SPI to do this, but: Software SPI means something else in MicroPython -- see https://docs.micropython.org/en/latest/library/machine.SPI.html#machine.SoftSPI (basically the firmware provides a bit-banging implementation of SPI in C for you. it's much faster than doing it fro...
- Wed Jul 06, 2022 2:23 pm
- Forum: MicroPython pyboard
- Topic: Some issue of Pyboard GPIO speed
- Replies: 5
- Views: 29921
Some issue of Pyboard GPIO speed
Hi, I am a fresh man and I have some troubles of my pyboard project. I need use pyboard V1.1 to control sk6182rgbw led array. Usually we use SPI mosi pin to do this, but this time all mosi pin had been used. So I try to use software SPI to do this, but: 1. I dont know the pyboard GPIO speed? There h...