Component: LoRa SX1262 wrapper library - Albin-Tenghagen/The-Fellowship-of-the-Code-Flood-checker GitHub Wiki

SX1262 LoRa Module

Short Description

The SX1262 Module is a module for broadcasting and receiving Long Range

Example Applications

The SX1262 module can be used to send data to other sensors or stations far from where the sensor is.

Library Features

  • Broadcast data
  • Receive data

Pin Layout

Heltec LoRa 32 V3 board pinout

Pins in use

The pins being used in the wrapper library are LORA_NSS, LORA_DIO1, LORA_RST, and LORA_BUSY

Specifications

Strength

It can supply a maximum of 22 dBm.

Frequencies

The wrapper initializes LoRa to use the frequency 434 but the board supports frequencies from 150 MHz to 960 MHz.

Example Code

#include <Arduino.h>
#include <RTOS.h>

#include "lora/fellowship_lora.h"

uint16_t sensor_value;
uint16_t depth_mm;
uint16_t sensor_value_sum;
uint16_t sensor_average_value;
const uint8_t SENSOR = A4;
const uint8_t MEASURING_POINTS = 50;

void setup()
{
    Serial.begin(115200);

    int16_t status = fellowshipLoRa::init(); // Initialize LoRa with some predefined values from fellowship_lora_config.h
    if (status != RADIOLIB_ERR_NONE)
    {
        Serial.print("Unable to initialize LoRa! Error "); 
        Serial.println(status);

        while ( true ) { }
    }
}

void loop()
{
    for (uint8_t i = 0; i < MEASURING_POINTS; i++)
    {
        sensor_value = analogRead(SENSOR);
        depth_mm = (float(map(sensor_value, 600, 3840, 0, 2000)) * 1.20f) / 10;

        delay(100);
    }

    Serial.print("Sensor value: ");
    Serial.print(sensor_value);
    Serial.print(", Depth in mm: ");
    Serial.println(depth_mm);

    int16_t status = fellowshipLoRa::write(depth_mm); // Transmit message
    if (status != RADIOLIB_ERR_NONE)
    {
        Serial.print("Unable to write to LoRa! Error "); 
        Serial.println(status);

        while ( true ) { }
    }

    delay(5000);
}
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