Get GPS data from usb device and print it to the screen

gps_poller.py

# pip install pynmea2 pyserial
import serial
import pynmea2

ser = serial.Serial("COM4", baudrate=9600, timeout=1.0)
dataout = pynmea2.NMEAStreamReader()
while True:
    newdata = ser.readline().decode("utf-8")
    if newdata[0:6] == "$GPRMC":
        newmsg = pynmea2.parse(newdata)
        lat = newmsg.latitude
        lng = newmsg.longitude
        print(f'Latitude {lat} Longitude {lng}')

gpsPoller.js

const GPS = require("gps");
const { SerialPort, ReadlineParser } = require('serialport')
const gps = new GPS;

// Use a `\r\n` as a line terminator
const parser = new ReadlineParser({
  delimiter: '\n',
})

const port = new SerialPort({
  path: '/dev/ttyACM0',
  baudRate: 57600,
})

port.pipe(parser)

port.on('open', () => console.log('Port open'))

parser.on('data', data => {
        gps.update(data);
});

port.write('ROBOT PLEASE RESPOND\n')


gps.on('data', parsed => {
    console.log(parsed);
});