diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 01c09719..816fa6e1 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -70,6 +70,10 @@
     #define MANUFACTURER        "WEMOS"
     #define DEVICE              "D1_TARPUNA_SHIELD"
 
+    // Relays
+    #define RELAY1_PIN          12
+    #define RELAY1_TYPE         RELAY_TYPE_NORMAL
+
 // -----------------------------------------------------------------------------
 // ESPurna
 // -----------------------------------------------------------------------------
diff --git a/code/espurna/config/sensors.h b/code/espurna/config/sensors.h
index f842d6a7..5844f2e9 100644
--- a/code/espurna/config/sensors.h
+++ b/code/espurna/config/sensors.h
@@ -399,7 +399,7 @@
 //------------------------------------------------------------------------------
 
 #ifndef SI7021_SUPPORT
-#define SI7021_SUPPORT                  1
+#define SI7021_SUPPORT                  0
 #endif
 
 #ifndef SI7021_ADDRESS