diff --git a/src/blocks/arduino.ts b/src/blocks/arduino.ts
index 98d60ca..f7acba9 100644
--- a/src/blocks/arduino.ts
+++ b/src/blocks/arduino.ts
@@ -159,7 +159,7 @@ const blocks: BlockDefinition = [
         ],
         style: "leaphy_blocks",
         output: "Number",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Ambient%20light%20sensor",
     },
     {
         type: "leaphy_i2c_gesture",
@@ -170,6 +170,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_led_set_strip",
+
         message0:
             "%%{BKY_LEAPHY_LED_SET_STRIP} %1 %%{BKY_LEAPHY_LED_SET_PIN} %2 %%{BKY_LEAPHY_LED_SET_LEDS} %3",
         args0: [
@@ -181,7 +182,7 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Potmeter-,Multiple%20leds%C2%A0,-Led%20matrix%C2%A0",
     },
     {
         type: "leaphy_led_set_basic",
@@ -205,7 +206,7 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Oled%20display-,RGB%20led,-Potmeter",
     },
     {
         type: "leaphy_led_set_speed",
@@ -221,7 +222,7 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Oled%20display-,RGB%20led,-Potmeter",
     },
     {
         type: "leaphy_display_clear",
@@ -382,7 +383,7 @@ const blocks: BlockDefinition = [
         nextStatement: null,
         style: "leaphy_blocks",
         tooltip: "%{BKY_USE_I2C_CHANNEL_TOOLTIP}",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Batteries%20and%20power-,I2C%20sensor%20module%C2%A0,-Sensors",
     },
     {
         type: "i2c_list_devices",
@@ -390,13 +391,14 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Batteries%20and%20power-,I2C%20sensor%20module%C2%A0,-Sensors"
     },
     {
         type: "leaphy_tof_get_distance",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Light%20sensor-,ToF%20sensor%C2%A0,-Infrared%20sensor",
         message0: "%%{BKY_LEAPHY_TOF_GET_DISTANCE}",
         style: "leaphy_blocks",
         output: "Number",
-        helpUrl: "",
     },
     {
         type: "leaphy_get_air_pressure",
@@ -407,6 +409,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_segment_set",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=%C2%A0Single%20leds-,Segment%20display%C2%A0,-Oled%20display",
         message0: `%{BKY_LEAPHY_SEGMENT_SET}`,
         args0: [
             {
@@ -421,6 +424,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_segment_clear",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=%C2%A0Single%20leds-,Segment%20display%C2%A0,-Oled%20display",
         message0: "%{BKY_LEAPHY_SEGMENT_CLEAR}",
         previousStatement: null,
         nextStatement: null,
@@ -428,6 +432,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_segment_set_brightness",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=%C2%A0Single%20leds-,Segment%20display%C2%A0,-Oled%20display",
         message0: "%{BKY_LEAPHY_SEGMENT_SET_BRIGHTNESS}",
         args0: [
             {
@@ -442,6 +447,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_matrix_set",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Multiple%20leds-,Led%20matrix%C2%A0,-Speaker%C2%A0",
         message0: "%{BKY_LEAPHY_MATRIX_SET}",
         args0: [
             {
@@ -467,6 +473,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_matrix_set_brightness",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Multiple%20leds-,Led%20matrix%C2%A0,-Speaker%C2%A0",
         message0: "%{BKY_LEAPHY_MATRIX_SET_BRIGHTNESS}",
         args0: [
             {
@@ -481,6 +488,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_matrix_clear",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Multiple%20leds-,Led%20matrix%C2%A0,-Speaker%C2%A0",
         message0: "%{BKY_LEAPHY_MATRIX_CLEAR}",
         previousStatement: null,
         nextStatement: null,
@@ -488,6 +496,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_matrix_fill",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Multiple%20leds-,Led%20matrix%C2%A0,-Speaker%C2%A0",
         message0: "%{BKY_LEAPHY_MATRIX_FILL}",
         args0: [
             { type: "input_dummy" },
@@ -504,6 +513,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_sound_play",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Led%20matrix-,Speaker,-Stichting",
         message0: "%{BKY_LEAPHY_SOUND_PLAY}",
         args0: [
             {
@@ -519,6 +529,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_sound_stop",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Led%20matrix-,Speaker,-Stichting",
         message0: "%{BKY_LEAPHY_SOUND_STOP}",
         previousStatement: null,
         nextStatement: null,
@@ -526,6 +537,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_sound_set_volume",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Led%20matrix-,Speaker,-Stichting",
         message0: "%{BKY_LEAPHY_SOUND_SET_VOLUME}",
         args0: [
             {
@@ -541,6 +553,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_led_strip_demo",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Potmeter-,Multiple%20leds%C2%A0,-Led%20matrix%C2%A0",
         message0: "%%{BKY_LEAPHY_LED_STRIP_DEMO} %1 %2 %3 %4 %5",
         args0: [
             {
@@ -569,7 +582,6 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
-        helpUrl: "",
     },
 ];
 
diff --git a/src/blocks/leaphy_click.ts b/src/blocks/leaphy_click.ts
index aed27db..478bfb5 100644
--- a/src/blocks/leaphy_click.ts
+++ b/src/blocks/leaphy_click.ts
@@ -43,7 +43,7 @@ const blocks: BlockDefinition = [
         previousStatement: null,
         nextStatement: null,
         style: "leaphy_blocks",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=types%20of%20leds-,TT%20motors,-Servo%20motors",
     },
     {
         type: "leaphy_click_rgb_digitalwrite",
@@ -74,7 +74,7 @@ const blocks: BlockDefinition = [
         nextStatement: null,
         style: "leaphy_blocks",
         // "extensions": "refreshPinFields",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Different%20types%20of%20leds",
     },
 ];
 
diff --git a/src/blocks/leaphy_common.ts b/src/blocks/leaphy_common.ts
index 8fc89b9..0ae3c96 100644
--- a/src/blocks/leaphy_common.ts
+++ b/src/blocks/leaphy_common.ts
@@ -47,7 +47,7 @@ const blocks: BlockDefinition = [
         nextStatement: null,
         style: "leaphy_blocks",
         // "extensions": "refreshServoPinFields",
-        helpUrl: "http://arduino.cc/en/Reference/ServoWrite",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=TT%20motors-,Servo%20motors,-Rotating%20servo%20motor",
     },
     {
         type: "leaphy_servo_read",
@@ -62,7 +62,7 @@ const blocks: BlockDefinition = [
         output: "Number",
         style: "leaphy_blocks",
         // "extensions": "returnAndUpdateServoRead",
-        helpUrl: "http://arduino.cc/en/Reference/ServoRead",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=TT%20motors-,Servo%20motors,-Rotating%20servo%20motor",
     },
     {
         type: "leaphy_io_digitalwrite",
@@ -137,11 +137,12 @@ const blocks: BlockDefinition = [
         ],
         output: "Number",
         style: "leaphy_blocks",
-        helpUrl: "",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Programming-,Ultrasonic%20sensor,-Light%20sensor",
     },
 
     {
         type: "leaphy_segment_init",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=%C2%A0Single%20leds-,Segment%20display%C2%A0,-Oled%20display",
         message0: "%{BKY_LEAPHY_SEGMENT_INIT}",
         args0: [
             {
@@ -161,6 +162,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_matrix_init",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Multiple%20leds-,Led%20matrix%C2%A0,-Speaker%C2%A0",
         message0: "%{BKY_LEAPHY_MATRIX_INIT}",
         args0: [
             {
@@ -185,6 +187,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_sound_init",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Led%20matrix-,Speaker%C2%A0,-Stichting",
         message0: "%{BKY_LEAPHY_SOUND_INIT}",
         args0: [
             {
diff --git a/src/blocks/leaphy_flitz.ts b/src/blocks/leaphy_flitz.ts
index 195190a..846d8ae 100644
--- a/src/blocks/leaphy_flitz.ts
+++ b/src/blocks/leaphy_flitz.ts
@@ -16,6 +16,7 @@ const blocks: BlockDefinition = [
                 options: stomachSensorOptions,
             },
         ],
+        helpUrl: "https://www.leaphy.nl/leaphy-flitz.html#:~:text=het%20licht%20wordt.-,Bouwfilmpjes%20Leaphy%20Flitz,-Software%20Leaphy%20Flitz",
         output: "Number",
         style: "leaphy_blocks",
     },
@@ -23,18 +24,21 @@ const blocks: BlockDefinition = [
         type: "leaphy_flitz_nano_read_stomach_sensor",
         message0: "%%{BKY_LEAPHY_READ_STOMACH}",
         output: "Number",
+        helpUrl: "https://www.leaphy.nl/leaphy-flitz.html#:~:text=het%20licht%20wordt.-,Bouwfilmpjes%20Leaphy%20Flitz,-Software%20Leaphy%20Flitz",
         style: "leaphy_blocks",
     },
     {
         type: "leaphy_flitz_read_hand_sensor",
         message0: "%%{BKY_LEAPHY_READ_HAND}",
         output: "Number",
+        helpUrl: "https://www.leaphy.nl/leaphy-flitz.html#:~:text=het%20licht%20wordt.-,Bouwfilmpjes%20Leaphy%20Flitz,-Software%20Leaphy%20Flitz",
         style: "leaphy_blocks",
     },
     {
         type: "leaphy_flitz_nano_read_hand_sensor",
         message0: "%%{BKY_LEAPHY_READ_HAND}",
         output: "Number",
+        helpUrl: "https://www.leaphy.nl/leaphy-flitz.html#:~:text=het%20licht%20wordt.-,Bouwfilmpjes%20Leaphy%20Flitz,-Software%20Leaphy%20Flitz",
         style: "leaphy_blocks",
     },
     {
@@ -50,6 +54,7 @@ const blocks: BlockDefinition = [
         inputsInline: true,
         previousStatement: null,
         nextStatement: null,
+        helpUrl: "https://www.leaphy.nl/leaphy-flitz.html#:~:text=het%20licht%20wordt.-,Bouwfilmpjes%20Leaphy%20Flitz,-Software%20Leaphy%20Flitz",
         style: "leaphy_blocks",
     },
 ];
diff --git a/src/blocks/leaphy_original.ts b/src/blocks/leaphy_original.ts
index 8a62bb3..e63ef0a 100644
--- a/src/blocks/leaphy_original.ts
+++ b/src/blocks/leaphy_original.ts
@@ -22,6 +22,7 @@ const motorForwardBackwardDropdown = [
 const blocks: BlockDefinition = [
     {
         type: "leaphy_original_set_led",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Different%20types%20of%20leds",
         message0:
             "%%{BKY_LEAPHY_LED} %1 %%{BKY_LEAPHY_LED_RED} %2 %%{BKY_LEAPHY_LED_GREEN} %3 %%{BKY_LEAPHY_LED_BLUE} %4",
         args0: [
@@ -37,6 +38,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_original_set_motor",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=types%20of%20leds-,TT%20motors,-Servo%20motors",
         message0:
             "%%{BKY_LEAPHY_MOTOR_TYPE} %1 %2 %%{BKY_LEAPHY_MOTOR_SPEED} %3",
         args0: [
@@ -55,12 +57,14 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_original_get_distance",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=Programming-,Ultrasonic%20sensor,-Light%20sensor",
         message0: "%%{BKY_LEAPHY_GET_DISTANCE}",
         style: "leaphy_blocks",
         output: "Number",
     },
     {
         type: "leaphy_original_move_motors",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=types%20of%20leds-,TT%20motors,-Servo%20motors",
         message0: "%%{BKY_LEAPHY_MOTOR_DIRECTION} %1 %2  %3",
         args0: [
             {
@@ -91,6 +95,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_original_servo_set",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=TT%20motors-,Servo%20motors,-Rotating%20servo%20motor",
         message0: "%{BKY_LEAPHY_SERVO_SET}",
         args0: [
             {
@@ -114,6 +119,7 @@ const blocks: BlockDefinition = [
     },
     {
         type: "leaphy_original_servo_move",
+        helpUrl: "https://www.leaphyfoundation.com/tutorials-leaphy-electronics.html#:~:text=TT%20motors-,Servo%20motors,-Rotating%20servo%20motor",
         message0: "%{BKY_LEAPHY_SERVO_MOVE}",
         args0: [
             {