LILYGO T3 V1.6.1 LORA problem

Official Hardware Retired Esplora
1

Hi.

I have a question about the LORA module with LILYGO ver. T3 V1.6.1.

I cannot get LORA to work.

On the board I have esp version ESP32-PICO-D4.

Below I paste the connections from datasheet T3 V1.6.1 between esp and lora:

IO23=RESET
IO18=NSS/SEL
IO5=SCK
IO27=MOSI/SDI
IO19=MISO/SDO
IO26=DI0

This is my code and the pins I have configured according to the my ESP documentation but it still doesn't work.
Source:web

#include <Adafruit_GFX.h>
#include <LoRa.h>
#include <SPI.h>

#define ss **35**
#define rst **36**
#define dio0 **15**

int counter = 0;

void setup()
{
  Serial.begin(9600);
  while (!Serial)
    ;
  Serial.println("LoRa Sender");

  LoRa.setPins(ss, rst, dio0); // setup LoRa transceiver module

  while (!LoRa.begin(433E6)) // 433E6 - Asia, 866E6 - Europe, 915E6 - North America
  {
    Serial.println(".");
    delay(5000);
  }
  LoRa.setSyncWord(0xA5);
  Serial.println("LoRa Initializing OK!");
}

void loop()
{
  Serial.print("Sending packet: ");
  Serial.println(counter);

  LoRa.beginPacket(); // Send LoRa packet to receiver
  LoRa.print("hello ");
  LoRa.print(counter);
  LoRa.endPacket();

  counter++;

  delay(10000);
}

The terminal gets it:

--- Terminal on COM3 | 9600 8-N-1
--- Available filters and text transformations: colorize, debug, default, direct, esp32_exception_decoder, hexlify, log2file, nocontrol, printable, send_on_enter, time
--- More details at https://bit.ly/pio-monitor-filters
--- Quit: Ctrl+C | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H
��␞J��]0N1-�m9␌)␀!��J��LoRa Sender
E (15) gpio: GPIO can only be used as input mode
[    20][E][esp32-hal-gpio.c:130] __pinMode(): GPIO config failed
E (16) gpio: gpio_set_level(226): GPIO output gpio_num error
E (81) gpio: GPIO can only be used as input mode
[   138][E][esp32-hal-gpio.c:130] __pinMode(): GPIO config failed
E (202) gpio: gpio_set_level(226): GPIO output gpio_num error
E (278) gpio: gpio_set_level(226): GPIO output gpio_num error
E (344) gpio: gpio_set_level(226): GPIO output gpio_num error
E (400) gpio: gpio_set_level(226): GPIO output gpio_num error

What am I doing wrong?
/Thanks.

2

The error seems clear;

GPIO can only be used as input mode

A LoRa device needs the SS and RST pins to be output. But on an ESP32 those pins are input only.

3

What can be tried in such a case?

4

Use pins, for SS and RST, on the ESP32 that are are not input only.