Temper class + USBTemper class programmed (1st try)

app/Sensor/Temper.php

@@ -9,5 +9,16 @@ namespace App\Sensor;
  */
 class Temper
 {
-    public $value= ""; //eg : T° value
+    public $part1= ""; //eg : 0a
+    public $part2= ""; //eg : 6c
+    public $temp=array();//eg : [26,28]
+    
+    public function conversion()
+    {
+        $hexatemp=$this->part1 . $this->part2; //eg : 0a6c
+        $decitemp=hexdec($hexatemp); //eg : 2628
+        $this->temp[1]=substr($decitemp,0,-2); //eg : 26
+        $this->temp[2]=substr($decitemp,-2); //eg : 28
+        return $this->temp; //T° is 26.28°C
+    }
 }

app/Sensor/USBtemperature.php

+<?php
+
+namespace App\Sensor;
+
+/**
+     * Description of USBTemperature
+ *
+ * @author helha
+ */
+class USBtemperature extends \App\AbstractSensor
+{
+    //get device responce (8 bytes) :
+    const REGEXP = "^(80 80)\s*([A-z\/0-9]+) \s*([A-z\/0-9]+)/m";
+
+    public function report()
+    {
+        $record = $this->getLastRecord("TEMPer");
+        if ($record == null) {
+            return "<p>No data available...</p>"
+                . "<p>Maybe <code>TEMPer</code> is not installed.</p>"
+                . "<p>You can install it following the tutorial on the Gitlab repository</p>";
+        }
+        $temper = self::parse($record['TEMPer']);
+        $return= "<p>Ambient temperature (USB TEMPer) : "
+        . $temper[1] . "." . $temper[2] . " °C " . "</p>";
+        return $return;
+    }
+
+    public function status()
+    {
+        $record = $this->getLastRecord("TEMPer");
+        if ($record == null) {
+            return self::STATUS_UNKNOWN;
+        }
+
+        $all_status = [];
+        foreach (self::parse($record['TEMPer']) as $USBTemp) {
+            /* @var $USBTemp Temper */
+            $status = self::STATUS_OK;
+            if ($USBTemp->temperature[1] > 75) {
+                $status = self::STATUS_WARNING;
+            }
+            $all_status[] = $status;
+        }
+
+        return max($all_status);
+    }
+
+    public static function parse(string $string)
+    {
+        $values = array();
+        preg_match_all(self::REGEXP, $string, $values); //get 8 bytes response from TEMPerUSB device
+        $temperatures = array();
+        $USBTemp = new Temper();
+        $USBTemp->part1 = $values[2];
+        $USBTemp->part2 = $values[3];
+        $temper[] = $USBTemp->conversion(); //1st element = integer part, 2th = decimal part
+        return $temper;
+    }
+}

app/Server.php

@@ -32,7 +32,8 @@ class Server extends Model
         \App\Sensor\ClientVersion::class,
         \App\Sensor\Heartbeat::class,
         \App\Sensor\DiskEvolution::class,
-        \App\Sensor\CPUtemperature::class
+        \App\Sensor\CPUtemperature::class,
+        \App\Sensor\USBtemperature::class    
     ];
 
     public function __construct(array $attributes = array())