diff --git a/code/espurna/config/arduino.h b/code/espurna/config/arduino.h
index b5637636..85de053b 100644
--- a/code/espurna/config/arduino.h
+++ b/code/espurna/config/arduino.h
@@ -119,6 +119,7 @@
 //#define TECKIN_SP20
 //#define TECKIN_SP21
 //#define TECKIN_SP22_V14
+//#define TFLAG_NX_SMX00
 //#define TINKERMAN_ESPURNA_H06
 //#define TINKERMAN_ESPURNA_H08
 //#define TINKERMAN_ESPURNA_SWITCH
diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 478d4dac..1082ab62 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -3965,6 +3965,49 @@
     // Disable UART noise
     #define DEBUG_SERIAL_SUPPORT    0
 
+// -----------------------------------------------------------------------------
+// TFLAG NX-SM100 & NX-SM200
+// -----------------------------------------------------------------------------
+
+#elif defined(TFLAG_NX_SMX00)
+
+    // Info
+    #define MANUFACTURER                "TFLAG"
+    #define DEVICE                      "NX_SMX00"
+
+    // Buttons
+    #define BUTTON1_PIN                 13
+    #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                    0
+    #define LED1_PIN_INVERSE            1
+    #define LED1_MODE                   LED_MODE_FOLLOW_INVERSE
+    #define LED1_RELAY                  1
+    #define LED2_PIN                    15
+    #define LED2_PIN_INVERSE            1
+    #define LED2_MODE                   LED_MODE_WIFI
+
+    // HJL01 / BL0937
+    #ifndef HLW8012_SUPPORT
+    #define HLW8012_SUPPORT             1
+    #endif
+    #define HLW8012_SEL_PIN             16
+    #define HLW8012_CF1_PIN             14
+    #define HLW8012_CF_PIN              5
+
+    #define HLW8012_SEL_CURRENT         LOW
+    #define HLW8012_CURRENT_RATIO       632
+    #define HLW8012_VOLTAGE_RATIO       313400
+    #define HLW8012_POWER_RATIO         3711185
+    #define HLW8012_INTERRUPT_ON        FALLING
+
+
 // -----------------------------------------------------------------------------
 
 // -----------------------------------------------------------------------------
diff --git a/code/espurna/migrate.ino b/code/espurna/migrate.ino
index 3447fae6..1b4dd8ba 100644
--- a/code/espurna/migrate.ino
+++ b/code/espurna/migrate.ino
@@ -1349,6 +1349,29 @@ void migrate() {
             setSetting("relayGPIO", 0, 15);
             setSetting("relayType", 0, RELAY_TYPE_NORMAL);
 
+        #elif defined(TFLAG_NX_SMX00)
+
+            setSetting("board", 101);
+            setSetting("ledGPIO", 0, 0);
+            setSetting("ledLogic", 0, 1);
+            setSetting("ledMode", 0, LED_MODE_FOLLOW_INVERSE);
+            setSetting("ledRelay", 0, 0);
+            setSetting("ledGPIO", 1, 15);
+            setSetting("ledLogic", 1, 1);
+            setSetting("ledMode", 1, LED_MODE_WIFI);
+            setSetting("btnGPIO", 0, 13);
+            setSetting("btnRelay", 0, 0);
+            setSetting("relayGPIO", 0, 12);
+            setSetting("relayType", 0, RELAY_TYPE_NORMAL);
+            setSetting("selGPIO", 16);
+            setSetting("cf1GPIO", 14);
+            setSetting("cfGPIO", 5);
+            setSetting("pwrRatioC", 632);
+            setSetting("pwrRatioV", 313400);
+            setSetting("pwrRatioP", 3711185);
+            setSetting("hlwSelC", LOW);
+            setSetting("hlwIntM", FALLING);
+
         #else
 
             // Allow users to define new settings without migration config
diff --git a/code/platformio.ini b/code/platformio.ini
index d1a8a4ee..ff8828f5 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -1383,6 +1383,16 @@ build_flags = ${common.build_flags_1m0m} -DDIGOO_NX_SP202
 upload_port = ${common.ota_upload_port}
 upload_flags = ${common.ota_upload_flags}
 
+[env:tflag-nx-smx00]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DTFLAG_NX_SMX00
+
+[env:tflag-nx-smx00-ota]
+board = ${common.board_1m}
+build_flags = ${common.build_flags_1m0m} -DTFLAG_NX_SMX00
+upload_port = ${common.ota_upload_port}
+upload_flags = ${common.ota_upload_flags}
+
 [env:homecube-16a]
 board = ${common.board_1m}
 build_flags = ${common.build_flags_1m0m} -DHOMECUBE_16A