Термосенсор умеет отправлять показания по UDP куда скажут

.gitignore

@@ -0,0 +1 @@
+thermo_sensor/config.h

thermo_sensor/config.h.sample

@@ -0,0 +1,5 @@
+
+#define WIFI_NAME "your wi-fi name"
+#define WIFI_PASS "you wi-fi password" 
+#define REMOTE_ADDR "IP address of host to send data to"
+#define REMOTE_PORT 7000

thermo_sensor/thermo_sensor.ino

@@ -1,36 +1,86 @@
 #include "DHT.h"
+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+#include "config.h"
 
 #define DHTPIN 5
 #define DHTTYPE DHT22
+#define READ_INTERVAL 1000
 
+
+WiFiUDP udp;
 DHT dht(DHTPIN, DHTTYPE);
+char id[64];
 
-void setup() {
+void setup() 
+{
 	Serial.begin(115200);
 	Serial.println("Initialised...");
 
 	dht.begin();
+
+	WiFi.begin(WIFI_NAME, WIFI_PASS);
+	Serial.print("Connecting");
+	while (WiFi.status() != WL_CONNECTED)
+	{
+		delay(500);
+		Serial.print(".");
+	}
+	Serial.println();
+
+	Serial.print("Connected, IP address: ");
+	Serial.println(WiFi.localIP());
+	uint8_t macAddr[6];
+	WiFi.macAddress(macAddr);
+	sprintf(id, "%02x:%02x:%02x:%02x:%02x:%02x", macAddr[0], macAddr[1], macAddr[2], macAddr[3], macAddr[4], macAddr[5]);
+	Serial.printf("Connected, mac address: %s\n", id);
 }
 
-void loop() 
+char payload[1024];
-{
-	delay(1500);
 
+void Convert(float v, char* s)
+{
+	if (isnan(v)) 
+	{
+		strcpy(s, "null");
+	}
+	else
+	{
+		sprintf(s, "%.3f", v);
+	}
+}
+
+void ReadAndSend()
+{
 	float h = dht.readHumidity();
 	float t = dht.readTemperature();
 
-	if (isnan(h) || isnan(t)) {
+	char h_str[15];
-		Serial.println("Error. Can't get humidity/temperature.");
+	char t_str[15];
+	Convert(h, h_str);
+	Convert(t, t_str);
+
+	int len = snprintf(payload, sizeof(payload), "{\"t\":%s,\"h\":%s,\"id\":\"%s\"}", t_str, h_str, id);
+	Serial.print("Sending payload:\n");
+	Serial.println(payload);
+
+	if (!udp.beginPacket(REMOTE_IP, REMOTE_PORT))
+	{
+		Serial.println("Error with destination ip or port");
 		return;
 	}
-
+	udp.write(payload, len);
-	Serial.print("Temperature: ");
+	udp.endPacket();
-	Serial.print(t);
+}
-
+
-	Serial.print(" ");
+unsigned long last_read = 0;
-
+
-	Serial.print("Humidity: ");
+void loop() 
-	Serial.print(h);
+{
-
+	unsigned long current = millis();
-	Serial.println();
+	if (current < last_read || current - last_read >= READ_INTERVAL)
+	{
+		ReadAndSend();
+		last_read = current;
+	}
 }