#include <AltSoftSerial.h>
#include <Wire.h>
#include <NMEA0183.h>
#include <NMEAParser.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
// matches Zihatec RS422/RS485 shield
AltSoftSerial gps;
NMEA0183 nmea;
NMEAParser<4> parser;
float gprmc;
float gprmb...