Sorry, I was thinking about MCP23S17 by microchip, the SPI equivalent of the MCP23017.
http://ww1.microchip.com/downloads/en/D ... 01952C.pdf

Hi everyone,

I had an arduino library for MCP23S17 (just for switching I/O and reading 0/1 sensors), but I need to use it with my FreeRTOS code. Does anyone has used this chip before with ESP32? Is there a library for MCP23017 (in case)?

Thank you for your help,

Damian

Hi Loboris,

Thank you for your answer. In fact it was just that I had not pulled the reset pin to +3.3V. Now it works.
Currently my problem is driving the ESP23S17. Do you have a library for this SPI chip?

Thank you,

Damian

Hi everyone, I have spent the last two weeks on trying to use the ILI9341 SPI display. Neither the Loboris TFT driver nor other works. They all work perfectly on ESP Wrover kit, but do not work on ESP32 Wroom kit. I tried different pin configuration and changed the code, but none of them worked. Doe...