Wio LTE for Arduino で SORACOM Harvest にデータを送るサンプルです。
ダミーの温度と湿度を送っています。

プログラム

soracom_harvest_test/soracom_harvest_test.ino

// ---------------------------------------------------------------
/*
	soracom_harvest_test.ino

					Aug/26/2024
*/
// ---------------------------------------------------------------
#define	PROGRAM	"soracom_harvest_test.ino"
#define	VERSION	"2024-8-26 PM 13:49"

#include <WioLTEforArduino.h>
#include <stdio.h>

#define INTERVAL				(6000)
#define RECEIVE_TIMEOUT (15000)

WioLTE Wio;


float tt_aa[] = {20.1, 22.3, 24.8, 25.6, 26.7, 26.1, 25.3, 24.8, 22.6, 21.7};
float hh_aa[] = {50.1, 62.3, 64.8, 75.6, 76.7, 74.1, 72.3, 64.8, 60.6, 56.7};

int icount = 0;

// ---------------------------------------------------------------
void setup() {
	delay(200);

	SerialUSB.println("");
	SerialUSB.println("*** START ***");

	setupLTE();

	SerialUSB.println(PROGRAM);
	SerialUSB.println(VERSION);
	SerialUSB.println("### Setup completed. ***");

}

// ---------------------------------------------------------------
void loop() {
	char data[100];

	float temp;
	float humi;

	int index = icount % 10;
	temp=tt_aa[index];
	humi = hh_aa[index];

	SerialUSB.println("icount = " + String(icount));

	SerialUSB.print("Current humidity = ");
	SerialUSB.print(humi);
	SerialUSB.print("%	");
	SerialUSB.print("temperature = ");
	SerialUSB.print(temp);
	SerialUSB.println("C");
	SerialUSB.println(String(millis()/ 1000));

sprintf(data,"{\"temp\":%.1f,\"humi\":%.1f}", temp, humi);

	SerialUSB.println("### Open.");
	int connectId;
	connectId = Wio.SocketOpen("harvest.soracom.io", 8514, WIOLTE_UDP);
	if (connectId < 0) {
		SerialUSB.println("### ERROR! SocketOpen ###");
		goto err;
	}

	SerialUSB.println("### Send.");
	SerialUSB.print("Send:");
	SerialUSB.print(data);
	SerialUSB.println("");
	if (!Wio.SocketSend(connectId, data)) {
		SerialUSB.println("### ERROR! SocketSend ###");
		goto err_close;
	}

	SerialUSB.println("### Receive.");
	int length;
	length = Wio.SocketReceive(connectId, data, sizeof (data), RECEIVE_TIMEOUT);
	if (length < 0) {
		SerialUSB.println("### ERROR! SocketReceive ###");
		goto err_close;
	}
	if (length == 0) {
		SerialUSB.println("### RECEIVE TIMEOUT! ###");
		goto err_close;
	}
	SerialUSB.print("Receive:");
	SerialUSB.print(data);
	SerialUSB.println("");

err_close:
	SerialUSB.println("### Close.");
	if (!Wio.SocketClose(connectId)) {
		SerialUSB.println("### ERROR! SocketClose ###");
		goto err;
	}

err:
	delay(INTERVAL);
	icount++;
}

// ---------------------------------------------------------------

Soracom Harvest で送られたデータを確認

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