diff --git a/src/components/Blockly/blocks/sensebox-sensors.js b/src/components/Blockly/blocks/sensebox-sensors.js
index 7e0db56..3aa8042 100644
--- a/src/components/Blockly/blocks/sensebox-sensors.js
+++ b/src/components/Blockly/blocks/sensebox-sensors.js
@@ -218,12 +218,7 @@ Blockly.Blocks["sensebox_sensor_bme680_bsec"] = {
 
 Blockly.Blocks["sensebox_sensor_ultrasonic_ranger"] = {
   init: function () {
-    var dropdownOptions = [
-      [Blockly.Msg.senseBox_ultrasonic_port_A, "A"],
-      [Blockly.Msg.senseBox_ultrasonic_port_B, "B"],
-      [Blockly.Msg.senseBox_ultrasonic_port_C, "C"],
-    ];
-    var dropdown = new FieldGridDropdown(dropdownOptions, function (option) {
+    var dropdown = new FieldGridDropdown(selectedBoard().digitalPorts, function (option) {
       var input = option === "A" || option === "B" || option === "C";
       this.sourceBlock_.updateShape_(input);
     });
@@ -434,17 +429,12 @@ Blockly.Blocks["sensebox_gps"] = {
  */
 
 Blockly.Blocks["sensebox_sensor_truebner_smt50"] = {
-  init: function () {
-    var dropdownOptions = [
-      [Blockly.Msg.senseBox_ultrasonic_port_A, "A"],
-      [Blockly.Msg.senseBox_ultrasonic_port_B, "B"],
-      [Blockly.Msg.senseBox_ultrasonic_port_C, "C"],
-    ];
+  init: function () { 
     this.setColour(getColour().sensebox);
     this.appendDummyInput().appendField(Blockly.Msg.senseBox_smt50);
     this.appendDummyInput()
       .appendField("Port:")
-      .appendField(new Blockly.FieldDropdown(dropdownOptions), "Port");
+      .appendField(new Blockly.FieldDropdown(selectedBoard().digitalPorts), "Port");
     this.appendDummyInput()
       .appendField(Blockly.Msg.senseBox_value)
       .appendField(
@@ -468,16 +458,12 @@ Blockly.Blocks["sensebox_sensor_truebner_smt50"] = {
 
 Blockly.Blocks["sensebox_sensor_watertemperature"] = {
   init: function () {
-    var dropdownOptions = [
-      [Blockly.Msg.senseBox_ultrasonic_port_A, "A"],
-      [Blockly.Msg.senseBox_ultrasonic_port_B, "B"],
-      [Blockly.Msg.senseBox_ultrasonic_port_C, "C"],
-    ];
+
     this.setColour(getColour().sensebox);
     this.appendDummyInput()
       .appendField(Blockly.Msg.senseBox_watertemperature)
       .appendField("Port:")
-      .appendField(new Blockly.FieldDropdown(dropdownOptions), "Port");
+      .appendField(new Blockly.FieldDropdown(selectedBoard().digitalPorts), "Port");
     this.setOutput(true, Types.NUMBER.typeName);
     this.setTooltip(Blockly.Msg.senseBox_watertemperature_tip);
     this.data = {name: "ds18b20"};
@@ -507,16 +493,11 @@ Blockly.Blocks['sensebox_windspeed'] = {
 
 Blockly.Blocks["sensebox_soundsensor_dfrobot"] = {
   init: function () {
-    var dropdownOptions = [
-      [Blockly.Msg.senseBox_ultrasonic_port_A, "A"],
-      [Blockly.Msg.senseBox_ultrasonic_port_B, "B"],
-      [Blockly.Msg.senseBox_ultrasonic_port_C, "C"],
-    ];
     this.setColour(getColour().sensebox);
     this.appendDummyInput()
       .appendField(Blockly.Msg.senseBox_soundsensor_dfrobot)
       .appendField("Port:")
-      .appendField(new Blockly.FieldDropdown(dropdownOptions), "Port");
+      .appendField(new Blockly.FieldDropdown(selectedBoard().digitalPorts), "Port");
     this.setOutput(true, Types.DECIMAL.typeName);
     this.setTooltip(Blockly.Msg.senseBox_soundsensor_dfrobot_tooltip);
     this.setHelpUrl(Blockly.Msg.senseBox_soundsensor_dfrobot_helpurl);
diff --git a/src/components/Blockly/helpers/board.js b/src/components/Blockly/helpers/board.js
index 3150d67..924eeb4 100644
--- a/src/components/Blockly/helpers/board.js
+++ b/src/components/Blockly/helpers/board.js
@@ -13,6 +13,11 @@ const sensebox_mcu = {
     ["C5", "5"],
     ["C6", "6"],
   ],
+  digitalPorts: [
+    ["A", "A"],
+    ["B", "B"],
+    ["C", "C"],
+  ],
   digitalPinsLED: [
     ["BUILTIN_1", "7"],
     ["BUILTIN_2", "8"],
@@ -143,6 +148,9 @@ const sensebox_mini = {
     ["IO1", "1"],
     ["IO2", "2"],
   ],
+  digitalPorts: [
+    ["IO1-2", "A"],
+  ],
   digitalPinsLED: [
     ["BUILTIN_1", "7"],
     ["BUILTIN_2", "8"],
@@ -151,8 +159,7 @@ const sensebox_mini = {
   ],
   digitalPinsRGB: [
     ["on Board", "6"],
-    ["IO1", "1"],
-    ["IO2", "2"],
+    ["IO1-2", "1"],
   ],
   digitalPinsButton: [
     ["on Board", "0"],
diff --git a/src/components/Blockly/helpers/maxInstances.js b/src/components/Blockly/helpers/maxInstances.js
index 6498097..b865e4e 100644
--- a/src/components/Blockly/helpers/maxInstances.js
+++ b/src/components/Blockly/helpers/maxInstances.js
@@ -13,6 +13,8 @@ const maxInstances = {
   sensebox_lora_initialize_otaa: 1,
   sensebox_lora_initialize_abp: 1,
   sensebox_phyphox_init: 1,
+  sensebox_phyphox_experiment: 1,
+  sensebox_phyphox_experiment_send: 1,
   sensebox_ethernet: 1,
 };