didasy

// Taken from https://forum.arduino.cc/index.php?topic=116094.15
// "Here's my code to set up timer 1 "
// dynamic frequency generator
// for timer2
#include <avr/io.h>
#include <avr/interrupt.h>

unsigned long frequency = 1000000 ; // in hertz
void setup(){
  pinMode(9,1);

didasy

const SensorName = "bme280";
const Location = "duren_seribu";

const Influx = require("influx");
const SerialPort = require("serialport");

const port = new SerialPort("/dev/ttyUSB0");
const parser = new SerialPort.parsers.Readline();
const influx = new Influx.InfluxDB({
    host: "localhost",

didasy

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>

#define BME_SCK 13
#define BME_MISO 12
#define BME_MOSI 11
#define BME_CS 10

#define SEALEVELPRESSURE_HPA (1013.25)

didasy

// Calculate distance between two points
float distanceCoordinates(float flat1, float flon1, float flat2, float flon2) {

  // Variables
  float dist_calc=0;
  float dist_calc2=0;
  float diflat=0;
  float diflon=0;

  // Calculations

didasy

float getPressure(int raw) {
  // raw 0-1023, get from analogRead();
  // 0.004887585532746823 is from 5v/1023
  // General info:
  // range of voltage reading is 0v-5v
  // the sensor outputs MPV to (MPV + 4.692v), while the range is (0.133v - 0.204v - 0.274v) to (4.826v - 4.896v - 4.966v)
  // each KPa is 20mV or 0.02V
  float voltage = raw * 0.004887585532746823;
  // Typical MPV is 0.204v@20KPa
  // Maximum pressure is 250KPa

didasy

float getPressure(int raw) {
  // raw 0-4095, get from analogRead();
  // 0.001221001221001221 is from 5v/4095
  // General info:
  // range of voltage reading is 0V-5v
  // the sensor outputs 0V or +ZPO to (0v or ZPO)+4.5V, while the range is 4.587v - 4.7v - 4.813v
  // each KPa is 6.4mV or 0.0064V
  float voltage = raw * 0.001221001221001221;
  // Initializing pressure variable as float
  float pressure = 0.0;

didasy

float getPressure(int raw) {
  // raw 0-1023, get from analogRead();
  // 0.004887586 is from 5v/1023
  // General info:
  // range of voltage reading is 0V-5v
  // the sensor outputs 0V or +ZPO to (0v or ZPO)+4.5V, while the range is 4.587v - 4.7v - 4.813v
  // each KPa is 6.4mV or 0.0064V
  float voltage = raw * 0.004887586;
  // Initializing pressure variable as float
  float pressure = 0.0;

didasy

#include <avr/io.h>
#include <util/delay.h>

int main(void)
{
  pinMode(3, OUTPUT); // output pin for OCR2B, this is Arduino pin number

  // In the next line of code, we:
  // 1. Set the compare output mode to clear OC2A and OC2B on compare match.
  //    To achieve this, we set bits COM2A1 and COM2B1 to high.

didasy

function toRadian(num) {
    return num * (Math.PI / 180);
}

function toDegree(num) {
    return num * (180 / Math.PI);
}

// North is 0 degree, South is 180 degree
function getHorizontalBearing(fromLat, fromLon, toLat, toLon, currentBearing) {

didasy

class Ring {
    constructor(...data) {
        this.position = 0;
        if (data instanceof Array) {
            this.data = data[0];
            return;
        }

        this.data = data;
    }