diff --git a/Participant.cpp b/Participant.cpp
index 433b240..0dc3bc6 100644
--- a/Participant.cpp
+++ b/Participant.cpp
@@ -106,9 +106,9 @@ void Participant::SendThingInfo(Thing *thing) {
 }
 
 void Passer::Control::Participant::PublishThingInfo(Thing *thing) {
-  std::cout << "Publish thing info\n";
-  // Strange, when publishing, the network id is irrelevant, because it is
-  // connected to a specific site...
+  // std::cout << "Publish thing info" << thing->networkId << "\n";
+  //  Strange, when publishing, the network id is irrelevant, because it is
+  //  connected to a specific site...
   ThingMsg *thingMsg = new ThingMsg(this->networkId, thing);
   this->Publish(thingMsg);
   delete thingMsg;
diff --git a/Sensors/TemperatureSensor.cpp b/Sensors/TemperatureSensor.cpp
new file mode 100644
index 0000000..8e0034a
--- /dev/null
+++ b/Sensors/TemperatureSensor.cpp
@@ -0,0 +1,18 @@
+#include "TemperatureSensor.h"
+
+#include "LowLevelMessages.h"
+
+namespace Passer {
+namespace Control {
+
+TemperatureSensor::TemperatureSensor() : Thing(Type::TemperatureSensor) {}
+
+void TemperatureSensor::SetTemperature(float temp) { this->temp = temp; }
+
+void TemperatureSensor::SendBytes(char *buffer, unsigned char *ix) {
+  std::cout << "Send temperature: " << this->temp << "\n";
+  LowLevelMessages::SendFloat16(buffer, ix, this->temp);
+}
+
+} // namespace Control
+} // namespace Passer
\ No newline at end of file
diff --git a/Sensors/TemperatureSensor.h b/Sensors/TemperatureSensor.h
new file mode 100644
index 0000000..c9c3423
--- /dev/null
+++ b/Sensors/TemperatureSensor.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Thing.h"
+
+namespace Passer {
+namespace Control {
+
+class TemperatureSensor : public Thing {
+public:
+  TemperatureSensor();
+
+  virtual void SetTemperature(float temp);
+
+  void SendBytes(char *buffer, unsigned char *ix) override;
+
+protected:
+  float temp = 0;
+};
+
+} // namespace Control
+} // namespace Passer
\ No newline at end of file
diff --git a/Thing.cpp b/Thing.cpp
index 4cc43a9..4a79cc8 100644
--- a/Thing.cpp
+++ b/Thing.cpp
@@ -192,7 +192,7 @@ int Thing::Add(Thing *newThing) {
       return thing->id;
   }
   allThings.push_back(newThing);
-  return allThings.size() - 1;
+  return allThings.size();
 }
 
 void Thing::Remove(Thing *thing) {