Double Encoded - Fixing #4

bin/smartdata/SmartData.php

@@ -141,11 +141,7 @@ abstract class SmartData
         $json['version']    = $this->version;
         $json['unit']       = $this->unit->cod;
         $json['timestamp']  = $this->time;
-        if ( $this->unit->is_digital() ) {
-            $json['value'] = base64_encode($this->value); 
-        } else {
-            $json['value'] = $this->value;
-        }
+        $json['value']      = $this->value;
         $json['error']      = $this->error;
         $json['confidence'] = $this->confidence;
         $json['x']          = $this->x;