diff --git a/blocks/leaphy_common.js b/blocks/leaphy_common.js
index c68e84a..f032f99 100644
--- a/blocks/leaphy_common.js
+++ b/blocks/leaphy_common.js
@@ -431,6 +431,26 @@ function getBlocks(board) {
       tooltip: "",
       helpUrl: "",
     },
+    {
+      type: "leaphy_gas_sensor",
+      message0: "%%{BKY_LEAPHY_CHOOSE_GAS}: %1",
+      args0: [
+        {
+          type: "field_dropdown",
+          name: "GAS",
+          options: [
+            ["TVOC", "TVOC"],
+            ["eCO2", "eCO2"],
+            ["Raw H2", "Raw H2"],
+            ["Raw Ethanol", "RAWETHANOL"],
+          ],
+        },
+      ],
+      style: "leaphy_blocks",
+      output: "Number",
+      tooltip: "",
+      helpUrl: "",
+    },
   ];
   return blocks;
 }
diff --git a/generators/arduino/leaphy_common.js b/generators/arduino/leaphy_common.js
index 09e3daf..d249846 100644
--- a/generators/arduino/leaphy_common.js
+++ b/generators/arduino/leaphy_common.js
@@ -64,6 +64,29 @@ function getCodeGenerators(Arduino) {
     return [code, Arduino.ORDER_ATOMIC];
   };
 
+  Arduino.forBlock["leaphy_gas_sensor"] = function (block) {
+    Arduino.addInclude("leaphy_gas_sensor", "#include <Adafruit_SGP30.h>");
+    Arduino.addDeclaration("leaphy_gas_sensor", "Adafruit_SGP30 sgp;");
+    Arduino.addSetup(
+      "leaphy_gas_sensor",
+      "if (! sgp.begin()){\n" + "\treturn -1;\n" + "}",
+    );
+
+    var gasValue = block.getFieldValue("GAS");
+    let code = "";
+    if (gasValue == "TVOC") {
+      code = "sgp.TVOC";
+    } else if (gasValue == "eCO2") {
+      code = "sgp.eCO2";
+    } else if (gasValue == "Raw H2") {
+      code = "sgp.rawH2";
+    } else if (gasValue == "Raw Ethanol") {
+      code = "sgp.rawEthanol";
+    }
+
+    return [code, Arduino.ORDER_ATOMIC];
+  };
+
   Arduino.forBlock["leaphy_i2c_rgb_color"] = function (block) {
     const rgb_declaration =
       "int r = 0, g = 0, b = 0, a = 0;\n" +
diff --git a/msg/js/en.js b/msg/js/en.js
index 57c8c90..24910bf 100644
--- a/msg/js/en.js
+++ b/msg/js/en.js
@@ -98,6 +98,7 @@ Blockly.Msg["LEAPHY_BUZZ_MS"] = "ms";
 Blockly.Msg["LEAPHY_CLICK_CATEGORY"] = "Leaphy Click";
 Blockly.Msg["LEAPHY_COMPASS"] = "Read compass";
 Blockly.Msg["LEAPHY_DIGITAL_READ"] = "Read digipin";
+Blockly.Msg["LEAPHY_CHOOSE_GAS"] = "Choose gas: ";
 Blockly.Msg["LEAPHY_DISPLAY_CLEAR"] = "Clear display";
 Blockly.Msg["LEAPHY_DISPLAY_DISPLAY"] = "Show on display";
 Blockly.Msg["LEAPHY_DISPLAY_PRINT"] = "Display - Set Ln.";
diff --git a/msg/js/nl.js b/msg/js/nl.js
index 3eee68c..553e5c4 100644
--- a/msg/js/nl.js
+++ b/msg/js/nl.js
@@ -96,6 +96,7 @@ Blockly.Msg["LEAPHY_BUZZ_MS"] = "ms";  // untranslated
 Blockly.Msg["LEAPHY_CLICK_CATEGORY"] = "Leaphy Click";  // untranslated
 Blockly.Msg["LEAPHY_COMPASS"] = "Lees kompas";
 Blockly.Msg["LEAPHY_DIGITAL_READ"] = "Lees digipin";
+Blockly.Msg["LEAPHY_CHOOSE_GAS"] = "Kies gas: ";
 Blockly.Msg["LEAPHY_DISPLAY_CLEAR"] = "Maak display leeg";
 Blockly.Msg["LEAPHY_DISPLAY_DISPLAY"] = "Toon op display";
 Blockly.Msg["LEAPHY_DISPLAY_PRINT"] = "Stel display in - Rg.";
diff --git a/msg/json/en.json b/msg/json/en.json
index 518f529..5b40406 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -31,6 +31,7 @@
 	"LEAPHY_MOTOR_DIRECTION": "Direction",
 	"LEAPHY_GET_DISTANCE": "Get distance",
 	"LEAPHY_DIGITAL_READ": "Read digipin",
+	"LEAPHY_CHOOSE_GAS": "Choose gas: ",
 	"LEAPHY_ANALOG_READ": "Read anapin",
 	"LEAPHY_RGB_READ_SENSOR": "Read RGB sensor",
 	"LEAPHY_RGB_COLOR_RED": "Color R-255",
diff --git a/msg/json/nl.json b/msg/json/nl.json
index 5f0e1bf..cb607da 100644
--- a/msg/json/nl.json
+++ b/msg/json/nl.json
@@ -33,6 +33,7 @@
 	"LEAPHY_MOTOR_DIRECTION": "Richting",
 	"LEAPHY_GET_DISTANCE": "Lees afstand",
 	"LEAPHY_DIGITAL_READ": "Lees digipin",
+	"LEAPHY_CHOOSE_GAS": "Kies gas: ",
 	"LEAPHY_ANALOG_READ": "Lees anapin",
 	"LEAPHY_RGB_READ_SENSOR": "Lees RGB Sensor",
 	"LEAPHY_RGB_COLOR_RED": "R-255",
diff --git a/package-lock.json b/package-lock.json
index bd83bbd..dd55851 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@leaphy-robotics/leaphy-blocks",
-  "version": "1.4.0",
+  "version": "1.5.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@leaphy-robotics/leaphy-blocks",
-      "version": "1.4.0",
+      "version": "1.5.4",
       "dependencies": {
         "blockly": "^10.1.3",
         "typescript": "4.3.2"
@@ -16,7 +16,7 @@
         "@babel/preset-env": "^7.22.15",
         "babel-loader": "^9.1.3",
         "eslint": "^8.52.0",
-        "prettier": "^3.0.3"
+        "prettier": "3.1.1"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -3761,9 +3761,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.3.tgz",
-      "integrity": "sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.1.tgz",
+      "integrity": "sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==",
       "dev": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
diff --git a/package.json b/package.json
index 2ee28bf..726ba5f 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "@babel/preset-env": "^7.22.15",
     "babel-loader": "^9.1.3",
     "eslint": "^8.52.0",
-    "prettier": "^3.0.3"
+    "prettier": "3.1.1"
   },
   "repository": {
     "type": "git",