Thanks for the reply, very helpful.

If the Quad SPI is not supported by the Arduino IDE, then I need to check further, as that pin (GPIO14) should be available for use.

Apologies, I should have pasted this question in here rather than in General.

Using the Arduino IDE 1.8.19 with 2.0.13 ESP32 Core.

I was trying some code for a LoRa device and had been using the FSPIWP\FSPIDQS pin to drive a device TX_Enable pin. This caused lots of problems, maybe to be expected ...

Using the Arduino IDE 1.8.19 with 2.0.13 ESP32 Core.

I was trying some code for a LoRa device and had been using the FSPIWP pin to drive a device TX_Enable pin. This caused lots of problems, maybe to be expected.

I had not come across a FSPIWP pin (GPIO14) on an SPI bus before, and although its ...

Here is the 'SPI_Multiple_Buses.ino' code;

/* The ESP32 has four SPi buses, however as of right now only two of
* them are available to use, HSPI and VSPI. Simply using the SPI API
* as illustrated in Arduino examples will use VSPI, leaving HSPI unused.
*
* However if we simply intialise two ...

I have an ESP32 S3 Wroom 1 Dev Module and the 2.0.5 core whuch has support for the S3.

I can run a SPI device on the standard, default SPI port which you use with SPI.begin()

However, I am trying to get the second SPI port running (pins GPIO35, GPIO36, GPIO37) which the code for the example 'SPI ...

Is the old branch ESP32-S2 still avaialble, I would like to test an issue I have raised to do with PWM against that previous core ?

The problem with the new 'development version' seems to be one that might have been spotted some time ago.

Thanks, I submitted it as an issue;

https://github.com/espressif/arduino-esp32/issues/5050

Is there an equivalent, for the ESP32-S2, to this command for a ESP32;

ledcSetup(PWMChannel, PWMFreq, PWMResolution);

Where PWMFreq would be the frequency\rate of the PWM pulse, which for a mecahnical servo you would normally set to 50hz.

The command above does work, I get a pulse and can vary ...

Some of the on-line methods suggested for installing ESP32-S2 support in the Arduino IDE require the use of an ESP32-S2 branch from the main Arduino ESP32 repository. That branch does not appear to be there now.

There are notes about ESP32-S2 support now being included and if you follow on the ...

Thanks for the information, and the comments about the WROVER.

I will be producing a PCB for the ESP32S2, it makes sense for it to be WROOM and WROVER compatible.