Seeed Wio Extension RTC Manual page 6

4. Select Sketch→Upload to upload the code to Wio_LTE.
5. Press RST button to enable the COM port. Tips
When you download most Arduino bords, you need to choose a right COM port, but
for this board, you must keep the COM configuration to be blank.
1. Use Serial monitor to print the serial message.
#include <WioLTEforArduino.h>
#include "WioRTC.h"
1
////////////////////////////////////////////////////////////////////////////
2
////
// Defines
3
#define BOOT_INTERVAL
4
////////////////////////////////////////////////////////////////////////////
5
////
6 // Global variables
WioLTE Wio;
7
WioRTC RTC;
8
////////////////////////////////////////////////////////////////////////////
////
9
// setup and loop
1
0
void setup()
1
{
1
delay(200);
1
2
SerialUSB.begin(115200);
(30) // [sec.]