diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 24ddce22..8e838e23 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -305,6 +305,57 @@
     #define LIGHT_CH1_INVERSE   0
     #define LIGHT_CH2_INVERSE   0
 
+#elif defined(SONOFF_T1_1CH)
+
+    #define MANUFACTURER        "ITEAD"
+    #define DEVICE              "SONOFF_T1_1CH"
+    #define BUTTON1_PIN         9
+    #define BUTTON1_RELAY       1
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define RELAY1_PIN          5
+    #define RELAY1_PIN_INVERSE  0
+    #define LED1_PIN            13
+    #define LED1_PIN_INVERSE    1
+
+#elif defined(SONOFF_T1_2CH)
+
+    #define MANUFACTURER        "ITEAD"
+    #define DEVICE              "SONOFF_T1_2CH"
+    #define BUTTON1_PIN         0
+    #define BUTTON1_RELAY       1
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON2_PIN         10
+    #define BUTTON2_RELAY       2
+    #define BUTTON2_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define RELAY1_PIN          12
+    #define RELAY1_PIN_INVERSE  0
+    #define RELAY2_PIN          4
+    #define RELAY2_PIN_INVERSE  0
+    #define LED1_PIN            13
+    #define LED1_PIN_INVERSE    1
+
+#elif defined(SONOFF_T1_3CH)
+
+    #define MANUFACTURER        "ITEAD"
+    #define DEVICE              "SONOFF_T1_3CH"
+    #define BUTTON1_PIN         0
+    #define BUTTON1_RELAY       1
+    #define BUTTON1_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON2_PIN         9
+    #define BUTTON2_RELAY       2
+    #define BUTTON2_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define BUTTON3_PIN         10
+    #define BUTTON3_RELAY       3
+    #define BUTTON3_MODE        BUTTON_PUSHBUTTON | BUTTON_DEFAULT_HIGH
+    #define RELAY1_PIN          12
+    #define RELAY1_PIN_INVERSE  0
+    #define RELAY2_PIN          5
+    #define RELAY2_PIN_INVERSE  0
+    #define RELAY3_PIN          4
+    #define RELAY3_PIN_INVERSE  0
+    #define LED1_PIN            13
+    #define LED1_PIN_INVERSE    1
+
 // -----------------------------------------------------------------------------
 // Electrodragon boards
 // -----------------------------------------------------------------------------
diff --git a/code/espurna/hardware.ino b/code/espurna/hardware.ino
index 60b13a63..c5b0fd16 100644
--- a/code/espurna/hardware.ino
+++ b/code/espurna/hardware.ino
@@ -342,6 +342,48 @@ void hwUpwardsCompatibility() {
         setSetting("relays", 1);
     #endif
 
+    #ifdef SONOFF_T1_1CH
+        setSetting("board", 30);
+        setSetting("ledGPIO", 1, 13);
+        setSetting("ledLogic", 1, 1);
+        setSetting("btnGPIO", 1, 9);
+        setSetting("btnRelay", 1, 1);
+        setSetting("relayGPIO", 1, 5);
+        setSetting("relayLogic", 1, 0);
+    #endif
+
+    #ifdef SONOFF_T1_2CH
+        setSetting("board", 31);
+        setSetting("ledGPIO", 1, 13);
+        setSetting("ledLogic", 1, 1);
+        setSetting("btnGPIO", 1, 0);
+        setSetting("btnGPIO", 2, 10);
+        setSetting("btnRelay", 1, 1);
+        setSetting("btnRelay", 2, 2);
+        setSetting("relayGPIO", 1, 12);
+        setSetting("relayGPIO", 2, 4);
+        setSetting("relayLogic", 1, 0);
+        setSetting("relayLogic", 2, 0);
+    #endif
+
+    #ifdef SONOFF_T1_3CH
+        setSetting("board", 32);
+        setSetting("ledGPIO", 1, 13);
+        setSetting("ledLogic", 1, 1);
+        setSetting("btnGPIO", 1, 0);
+        setSetting("btnGPIO", 2, 9);
+        setSetting("btnGPIO", 3, 10);
+        setSetting("btnRelay", 1, 1);
+        setSetting("btnRelay", 2, 2);
+        setSetting("btnRelay", 3, 3);
+        setSetting("relayGPIO", 1, 12);
+        setSetting("relayGPIO", 2, 5);
+        setSetting("relayGPIO", 3, 4);
+        setSetting("relayLogic", 1, 0);
+        setSetting("relayLogic", 2, 0);
+        setSetting("relayLogic", 3, 0);
+    #endif
+
     saveSettings();
 
 }
diff --git a/code/platformio.ini b/code/platformio.ini
index 3d47d34e..3c90fbf9 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -304,6 +304,69 @@ upload_speed = 115200
 upload_port = "192.168.4.1"
 upload_flags = --auth=fibonacci --port 8266
 
+[env:sonoff-t1-1ch-debug]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_1CH
+
+[env:sonoff-t1-1ch-debug-ota]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_1CH
+upload_speed = 115200
+upload_port = "192.168.4.1"
+upload_flags = --auth=fibonacci --port 8266
+
+[env:sonoff-t1-2ch-debug]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_2CH
+
+[env:sonoff-t1-2ch-debug-ota]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_2CH
+upload_speed = 115200
+upload_port = "192.168.4.1"
+upload_flags = --auth=fibonacci --port 8266
+
+[env:sonoff-t1-3ch-debug]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_3CH
+
+[env:sonoff-t1-3ch-debug-ota]
+platform = espressif8266
+framework = arduino
+board = esp8285
+board_flash_mode = dout
+lib_deps = ${common.lib_deps}
+lib_ignore = ${common.lib_ignore}
+build_flags = ${common.build_flags_1m} -DSONOFF_T1_3CH
+upload_speed = 115200
+upload_port = "192.168.4.1"
+upload_flags = --auth=fibonacci --port 8266
+
 [env:sonoff-led-debug]
 platform = espressif8266
 framework = arduino