Hi people, im using a ESP32 Wroom with vSPI comunication for 4 MAX6675, the CS pin its managed across the I2C io expander pca9555 like out put make the CS for each MAX6675, have another pca9555 for inputs, all works fine most of time, normally low delay 80ms, betwen the ESP32 ask to host he reply an...

Hi I implementen VSPI default pins for read 4 max6675, the cs pins goes across I2C i/o expander pca9555, and have another pca9555 for inputs. All goes flow fine, 70ms delay max fron host but.... Some times lag 1 or 2 seconds. I fees is the SPI doesn't not catch the 16 bits and keep waiting for it. I...