Added debug info.

src/SmartGridModell.cpp

 ///
 
 #include <SmartGridModell.hpp>
-
+#include <spdlog/spdlog.h>
 
 
 
@@ -102,7 +102,9 @@ void SmartGridModell::set_renewable_net(uint8_t brightness)
 
 void SmartGridModell::set_output_pin(Pin pin, uint8_t value)
 {
-    m_modell.send(static_cast<uint8_t>(pin), value);
+
+    bool succ = m_modell.send(static_cast<uint8_t>(pin), value);
+    spdlog::debug("Send: {} {}, success: {}", pin, value, succ);
 }
 
 void SmartGridModell::set_house_color(House number, uint8_t red, uint8_t green)