diff --git a/firmware/atmega/source/main.c b/firmware/atmega/source/main.c
index d1017bb..e3bd5ac 100644
--- a/firmware/atmega/source/main.c
+++ b/firmware/atmega/source/main.c
@@ -42,9 +42,10 @@ int main(void) {
             //espSend(VASE_NUM, result)
         }
         // if(espGet("ask if i need to water plants") == true) {waterPlant()}
+        // or maybe it's better to do this with interrupts?
 
         readSensors = false;
         enterSleep();
     }
-    return 0;
+    return -1;
 }
diff --git a/firmware/esp32/main.cpp b/firmware/esp32/main.cpp
new file mode 100644
index 0000000..e69de29