PictoBlox Extensions
  1. Scratch Based Default Extensions
    1. Motion
    2. Looks
    3. Sound
    4. Control
    5. Events
    6. Sensing
    7. Operators
    8. My Blocks
    9. Variables
  2. Artificial Intelligence
    1. Face Detection
    2. Object Detection
    3. Human Body Detection
    4. Computer Vision
    5. Text Recognition
    6. Speech Recognition
    7. ChatGPT
    8. Natural Language Processing
    9. Recognition Cards
    10. Text to Speech
    11. Translate
    12. Open CV
  3. Innovative Extensions
    1. QR Code Scanner
    2. Weather Data
    3. Physics Engine
    4. IFTTT Webhooks
    5. Internet of Things (IoT)
    6. Data Logger
    7. Music
    8. Video Sensing
    9. Pen
  4. Machine Learning Environment
    1. Image Classifier (ML)
    2. Object Detection (ML)
    3. Pose Classifier (ML)
    4. Hand Pose Classifier (ML)
    5. Audio Classifier (ML)
    6. Number Classifier and Regression (ML)
    7. Text Classifier (ML)
  5. Quarky
    1. Quarky (Main)
    2. Display (Quarky)
    3. Robot (Quarky)
    4. Sensors (Quarky)
    5. Speaker (Quarky)
    6. Quarky Ultimate Robots
    7. Quarky Expansion Board
    8. Mars Rover
    9. Humanoid (Quarky)
    10. Quadruped (Quarky)
    11. IoT House (Quarky)
    12. Quarky Mecanum
    13. Quarky Robotic Arm
    14. Dabble
    15. Quarky Advance Line Following
PictoBlox Extension

Variables

Variables
Extension Description
Variables blocks are related to storing and accessing data with Variables and Lists.
  • STEMpedia-Rocket-800x800 Available in: Block Coding
  • STEMpedia-Rocket-800x800 Mode: Stage Mode
  • STEMpedia-Rocket-800x800 WiFi Required: No
  • STEMpedia-Rocket-800x800 Compatible Hardware in Block Coding: evive, Quarky, Arduino Uno, Arduino Mega, Arduino Nano, ESP32, T-Watch, Boffin, micro:bit, TECbits, LEGO EV3, LEGO Boost, LEGO WeDo 2.0, Go DFA, None
  • STEMpedia-Rocket-800x800 Compatible Hardware in Python: evive, Quarky, Arduino Uno, Arduino Mega, Arduino Nano, ESP32, T-Watch, Boffin, micro:bit, TECbits, LEGO EV3, LEGO Boost, LEGO WeDo 2.0, Go DFA, None
  • STEMpedia-Rocket-800x800 Object Declaration in Python: sprite = Sprite("Sprite-Name")
  • STEMpedia-Rocket-800x800 Extension Catergory:

Introduction

Variables is one of the ten categories of default Scratch blocks. The variable blocks are color-coded orange, and the list blocks are color-coded dark red.

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PictoBlox Blocks

The block will set the specified variable to the given value: a string or number.
The block will change the specified variable by a given amount.
The block shows the specified variable’s Stage monitor.
The block hides the specified variable’s Stage monitor.
The block simply holds its variable value.
The block simply reports the items of its list as a string. Whenever a list is created, a version of the block appears with the list’s name on it; this results in a version of this block for every list.
The block adds an item onto the end of the specified list, the item containing the given text.
The block can delete the item inputted from the specified list.
The block can delete all the items from the specified list.
The block inserts an item containing the given text into the list, at the given position. All values below the inserted item are passed onto the item beneath them; the last item’s value is placed in a new item at the end of the list.
The block replaces the specified item; in other words, it changes the item’s content to the given text.
The block reports the value of the specified entry in a specified list.
The block reports how many items a list contains.
The block checks if any items in the specified list are equal to the given text—if at least one of them is, the block returns true; if none of them are, it returns false. The item must contain the exact text; for example, “abc” would not work if the item contained “abcde”. This block is case-sensitive.
The block shows the specified list’s Stage monitor.
The block hides the specified list’s Stage monitor.
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Block Coding Examples

Bouncing Ball with Gravity

The example demonstrates how to add gravity into the project on a bouncing ball.

Learn How to Make a Quadruped Robot Detect and React to a Hand

Discover how the Quadruped robot can detect and respond to the presence of a hand in its environment.

Reciting Table

The example demonstrates how to use a repeat block to recite a table in PictoBlox.

Shooting Bullets with Physics

In this example, we are making a rocket shoot bullets to the mouse pointer when the space key is pressed. 
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