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

Quarky Expansion Board

Pictoblox Extension Graphics- Expansion Board
Extension Description
Controls the various input and outputs of the Quarky Expansion Board.
  • STEMpedia-Rocket-800x800 Available in: Block Coding, Python Coding
  • STEMpedia-Rocket-800x800 Mode: Stage Mode, Upload Mode
  • STEMpedia-Rocket-800x800 WiFi Required: No
  • STEMpedia-Rocket-800x800 Compatible Hardware in Block Coding: Quarky
  • STEMpedia-Rocket-800x800 Compatible Hardware in Python: Quarky
  • STEMpedia-Rocket-800x800 Object Declaration in Python: quarkyexpansion = Expansion()
  • STEMpedia-Rocket-800x800 Extension Catergory:

Introduction

PictoBlox Blocks

The block initializes the Expansion Board of Quarky for use. Without initialization, the board will not respond to any other blocks.
The block sets the servo motor connected to the specified servo pin of the Quarky Expansion board to the specified angle. The expansion board can control 8 servos at a time.
The block sets the analog state of the specified pin to the specified value between 0 to 255.
The block sets the specified motor of the Quarky Expansion board to the specified direction (“FORWARD” or “BACKWARD”) and specified speed.
The block sets the specified motor of the Quarky Expansion board to the specified direction (“FORWARD” or “BACKWARD”) and specified speed for the specified time. After that, the robot turns OFF.
The block stops the specified motor of the Quarky.
The block reverses the forward direction of the specified motor of the Quarky Expansion Board.
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Block Coding Examples

Automatic Temperature based Fan

In this example, we are going to learn how to program Quarky to detect the temperature (using DHT Sensor) and make the fan ON and OFF accordingly.

IoT House Door Control

In this example, we will demonstrate how to control the door of the IoT House.
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Python Functions

initexpansion()
The function initializes the Expansion Board of Quarky for use. Without initialization, the board will not respond to any other functions.
Syntax: initexpansion()
moveservo()
The function sets the servo motor connected to the specified servo pin of the Quarky Expansion board to the specified angle. The expansion board can control up to 8 servos simultaneously.
Syntax: moveservo(servo port = 1, angle = 40)
moveall()
The function moves all the servo motors connected to the Quarky Expansion board servo ports 1 through 8.
Syntax: moveall(angle 1 = 90, angle 2 = 90, angle 3 = 90, angle 4 = 90, angle 5 = 90, angle 6 = 90, angle 7 = 90, angle 8 = 90, time = 1000)
setanalogoutput()
The function sets the analog state of the specified pin to the specified value between 0 to 255.
Syntax: setanalogoutput(servo port = 1, PWM = 50)
runmotor()
The function sets the specified motor of the Quarky Expansion board to the specified direction (“FORWARD” or “BACKWARD”) and specified speed.
Syntax: runmotor(motor port = 1, direction = “FORWARD”, speed = 100)
stopmotor()
The function stops the specified motor of the Quarky Expansion Board.
Syntax: stopmotor(motor port = 1)
reversemotordirection()
The function reverses the forward direction of the specified motor of the Quarky Expansion Board.
Syntax: reversemotordirection(motor port = 1)
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Python Coding Examples

Control the Door of the IoT House with Python

Learn how to control the door of the IoT House with Python. Follow this step-by-step guide to control the servo motor and make the door open and close when you press the space key.

Controlling IoT House Door with RFID

This project demonstrates how to interface an RFID sensor with a Quarky to control the door of an IoT-enabled house using an authorized RFID tag. Learn how to write the code for RFID authentication and see the circuit diagram for connecting the RFID sensor to the Quarky board.

Fire Alarm System with Flame Sensor and Quarky

Learn how to set up a flame sensor with Quarky, calibrate it, and create a fire alarm system with a motor fan, door servo motor, and IFTTT webhooks. Get step-by-step instructions, circuit diagrams, python code, and more.

IR & Face Recognition-Based Smart Door Opening System – Python

This project uses face recognition and an IR sensor to identify and authenticate authorized people and open the door accordingly. Learn how to create this system with Python code and hardware.
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