In addition to using PIO, you can also use SPI to drive WS2812. The usage is as follows:First copy the following program to the development board:
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class NeoPixel:buf_bytes = (0x11, 0x13, 0x31,
What is NB-lot?
NB-IoT, or Narrow Band-Internet of Things, has the characteristics of low cost, low power consumption, and wide coverage (cellular network). It is positioned in the carrier-grade, low-
Since the maximum input voltage of MPS2307DN is 23V, but the current circuit requires 24V input and 3.3 and 5V output, MPS2307 cannot be used. I am looking for a compatible chip. It is best if the PCB
[i=s]This post was last edited by xiyue521 on 2019-11-21 08:20[/i]This content is originally created by EEWORLD forum user xiyue521 . If you want to reprint or use it for commercial purposes, you must