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Temp_sensor

+#include <WiFiNINA.h>
+#include <OneWire.h>
+#include <DallasTemperature.h>
+#include <ArduinoBLE.h>
+#include "arduino_secrets.h"
+#include "ThingSpeak.h"
+
+//define globals from secrets tab
+char ssid[] = SECRET_SSID;
+char pass[] = SECRET_PASS;
+char Uuid[] = "19b10000-e8f2-537e-4f6c-d104768a1214";
+WiFiClient client;
+
+#define ONE_WIRE_BUS 2
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) {
+    ;
+  }
+  //start sensor and bluetooth proccess
+  sensors.begin();
+  BLE.begin();
+  //Scan for target ble 
+  BLE.scanForUuid(Uuid);
+  //Initialize ThingSpeak
+  ThingSpeak.begin(client);
+}
+
+void loop() {
+
+  // Send the command to get temperatures
+  sensors.requestTemperatures();  
+  //Get temp from request assign to float
+  float tempC = sensors.getTempCByIndex(0);
+  //assign peripheral variable to connected ble device
+  BLEDevice peripheral = BLE.available();
+
+  //check temperature reading is not error
+  if (tempC != DEVICE_DISCONNECTED_C) {
+    // Connect or reconnect to WiFi
+    if (WiFi.status() != WL_CONNECTED) {
+      Serial.println(SECRET_SSID);
+      while (WiFi.status() != WL_CONNECTED) {
+        WiFi.begin(ssid, pass);
+        delay(6000);
+      }
+    }
+    //write temperature to thingspeak field 1
+    int x = ThingSpeak.writeField(2394292, 1, tempC, "4AX6F1QBBZK9XIK7");
+  }
+
+  //check peripheral connection exists
+  if (peripheral) {
+    //check peripheral name matches LED
+    if (peripheral.localName() != "LED") {
+      return;
+    }
+    //Stop looking for ble device
+    BLE.stopScan();
+    //call controllLed function
+    controlLed(peripheral, tempC);
+    //scan for ble device with Uuid
+    BLE.scanForUuid(Uuid);
+  }
+
+  delay(15000);
+}
+//function for writing temp to ble device
+void controlLed(BLEDevice peripheral, float tempC) {
+  
+  // connect to the peripheral
+  if (peripheral.connect()) {
+  } else {
+    Serial.println("Failed to connect!");
+    return;
+  }
+
+  // discover peripheral attributes
+  if (peripheral.discoverAttributes()) {
+  } else {
+    peripheral.disconnect();
+    return;
+  }
+
+  // retrieve the LED characteristic
+  BLECharacteristic ledCharacteristic = peripheral.characteristic("19b10001-e8f2-537e-4f6c-d104768a1214");
+  
+  //if led characteristic not exist or not write not exist disconnect from ble device 
+  if (!ledCharacteristic) {
+    peripheral.disconnect();
+    return;
+  } else if (!ledCharacteristic.canWrite()) {
+    peripheral.disconnect();
+    return;
+  }
+  //if ble device connected write rounded int of temp
+  if (peripheral.connected()) {
+    //ledCharacteristic.writeValue((byte)0x01);
+    int tempCInt = round(tempC);
+    ledCharacteristic.writeValue(tempCInt);
+  }
+}