User Manual

And then before you check the status() of the module, call the function WiFi.setPins(SPIWIFI_SS, SPIWIFI_ACK,

ESP32_RESETN, ESP32_GPIO0, &SPIWIFI);

// Configure the pins used for the ESP32 connection

#if defined(ADAFRUIT_FEATHER_M4_EXPRESS) || \

defined(ADAFRUIT_FEATHER_M0_EXPRESS) || \

defined(ARDUINO_AVR_FEATHER32U4) || \

defined(ARDUINO_NRF52840_FEATHER)

#define SPIWIFI SPI // The SPI port

#define SPIWIFI_SS 13 // Chip select pin

#define ESP32_RESETN 12 // Reset pin

#define SPIWIFI_ACK 11 // a.k.a BUSY or READY pin

#define ESP32_GPIO0 10

#elif defined(ARDUINO_AVR_FEATHER328P)

#define SPIWIFI SPI // The SPI port

#define SPIWIFI_SS 4 // Chip select pin

#define ESP32_RESETN 3 // Reset pin

#define SPIWIFI_ACK 2 // a.k.a BUSY or READY pin

#define ESP32_GPIO0 -1

#elif defined(ARDUINO_NRF52832_FEATHER )

#define SPIWIFI SPI // The SPI port

#define SPIWIFI_SS 16 // Chip select pin

#define ESP32_RESETN 15 // Reset pin

#define SPIWIFI_ACK 7 // a.k.a BUSY or READY pin

#define ESP32_GPIO0 -1

#elif defined(TEENSYDUINO)

#define SPIWIFI SPI // The SPI port

#define SPIWIFI_SS 5 // Chip select pin

#define ESP32_RESETN 6 // Reset pin

#define SPIWIFI_ACK 9 // a.k.a BUSY or READY pin

#define ESP32_GPIO0 -1

#endif

// check for the WiFi module:

WiFi.setPins(SPIWIFI_SS, SPIWIFI_ACK, ESP32_RESETN, ESP32_GPIO0, &SPIWIFI);

while (WiFi.status() == WL_NO_MODULE) {

Serial.println("Communication with WiFi module failed!");

// don't continue

delay(1000);

}

https://learn.adafruit.com/adafruit-airlift-featherwing-esp32-wifi-co-

processor-featherwing

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