diff --git a/hardware/include/BMP280.h b/hardware/include/BMP280.hpp
similarity index 100%
rename from hardware/include/BMP280.h
rename to hardware/include/BMP280.hpp
diff --git a/hardware/include/MQ7.h b/hardware/include/MQ7.hpp
similarity index 100%
rename from hardware/include/MQ7.h
rename to hardware/include/MQ7.hpp
diff --git a/hardware/lib/BMP280.c b/hardware/lib/BMP280.cpp
similarity index 100%
rename from hardware/lib/BMP280.c
rename to hardware/lib/BMP280.cpp
diff --git a/hardware/lib/MQ7.c b/hardware/lib/MQ7.cpp
similarity index 100%
rename from hardware/lib/MQ7.c
rename to hardware/lib/MQ7.cpp