diff --git a/code/espurna/config/arduino.h b/code/espurna/config/arduino.h
index dcdec570..c6c725b6 100644
--- a/code/espurna/config/arduino.h
+++ b/code/espurna/config/arduino.h
@@ -73,6 +73,7 @@
 //#define ITEAD_SONOFF_RF
 //#define ITEAD_SONOFF_RFBRIDGE
 //#define ITEAD_SONOFF_S31
+//#define ITEAD_SONOFF_S31_LITE
 //#define ITEAD_SONOFF_SV
 //#define ITEAD_SONOFF_T1_1CH
 //#define ITEAD_SONOFF_T1_2CH
diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index f296dc39..cd9667e4 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -900,6 +900,25 @@
     #define CSE7766_SUPPORT         1
     #define CSE7766_PIN             1
 
+#elif defined(ITEAD_SONOFF_S31_LITE)
+
+    // Info
+    #define MANUFACTURER            "ITEAD"
+    #define DEVICE                  "SONOFF_S31_LITE"
+
+    // Buttons
+    #define BUTTON1_PIN             0
+    #define BUTTON1_MODE            BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON1_RELAY           1
+
+    // Relays
+    #define RELAY1_PIN              12
+    #define RELAY1_TYPE             RELAY_TYPE_NORMAL
+
+    // LEDs
+    #define LED1_PIN                13
+    #define LED1_PIN_INVERSE        1
+
 #elif defined(ITEAD_SONOFF_IFAN02)
 
     // Info
diff --git a/code/platformio.ini b/code/platformio.ini
index a1f60f5a..a591a7ce 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -554,6 +554,16 @@ build_flags = ${common.build_flags_1m0m} -DITEAD_SONOFF_S31 -DDISABLE_POSTMORTEM
 upload_port = ${common.ota_upload_port}
 upload_flags = ${common.ota_upload_flags}
 
+[env:itead-sonoff-s31-lite]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DITEAD_SONOFF_S31_LITE
+
+[env:itead-sonoff-s31-lite-ota]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DITEAD_SONOFF_S31_LITE
+upload_port = ${common.ota_upload_port}
+upload_flags = ${common.ota_upload_flags}
+
 [env:itead-sonoff-ifan02]
 board = ${common.board_1m}
 build_flags = ${common.build_flags_1m0m} -DITEAD_SONOFF_IFAN02