i use the code and tested the master mode(sorry, couldn't find a spi master sample) this is what i got: http://d2.freep.cn/3tb_1606071542496562566213.PNG yellow line is SPI_SCLK, blue line is MOSI (i changed spi clk to 625khz) when i zoom into the "mass" of the yellow line: http://d3.freep...

I have the same problem! I use the spi sample code downloaded here: http://bbs.espressif.com/viewtopic.php?f=31&t=1346 this is what i got: http://d2.freep.cn/3tb_1606071542496562566213.PNG yellow line is SPI_SCLK, blue line is MOSI (i changed to spi clk to 625khz) when i zoom into the "mass...

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