[PictoBloxExtension]
PictoBlox Extension

Looks

Looks
Extension Description
Looks blocks are related to the appearance of sprites and the stage.
  • STEMpedia-Rocket-800x800 Available in: Block Coding, Python 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

Looks is one of the ten categories of default Scratch blocks. They are color-coded purple and are used to control a Sprite’s appearance.

Using Looks Functions in Python

The looks functions can be used in Python with the sprite object defined:

sprite = Sprite('Tobi')
Read More

PictoBlox Blocks

Turn () video on stage with () % transparency block controls the control the camera feed on the stage.
This block helps move an object step by step in a given direction within a set time
This block facilitates seamless transitions to your preferred scenes. For instance, if you’re currently viewing Scene 1 and wish to switch to Scene 2, simply select Scene 2 from the dropdown menu to enact the transition.
This block is designed to refresh or reload the current scene.
This block code will give an option to control the object as player control like third person or first person. You can then use arrow keys to make your object move in respective direction.
This block of code applies velocity to the player. 
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Block Coding Examples

Accessing Updating Variables Outside Functions

In Python, this code demonstrates how the global variables allow us to access and update their values outside of functions.

Adafruit IO – Get Color | Remote Controlled RGB Light

In this example, we will retrieve the color information from the cloud and make the Quarky lights ON and OFF with the selected color on the cloud.

Adafruit IO – Get Data | Remote Controlled Light

In this example, we will retrieve the information from the cloud and make the Quarky lights ON and OFF. 

Adafruit Send Data to Cloud – All Sensors

This example shows how to create an IoT House Monitoring system that sends humidity, temperature, plant soil moisture, gas, and light sensor data to the cloud on Adafruit IO servers.

Adafruit Send Data to Cloud – DHT Sensor

We will use the Adafruit IO cloud service to send data from a humidity and temperature sensor to the cloud.

Add 5 to a User Input Number

Python code: Adds 5 to user input using a function. Displays id() before and after the call to check memory location change.

AI Delivery Robot

The example demonstrates how to make a delivery robot that follows the line and stops when it reaches checkpoint 1.

AI Delivery Robot – Python

The example demonstrates how to make a delivery robot that follows the line and stops when it reaches checkpoint 1 in the Python Coding Mode.

Air Draw

The example demonstrates how to use hand recognition and pen extensions to make an air draw game.

Air Draw – Python

The example demonstrates how to use hand recognition and pen extensions to make an air draw game in the Python Coding Environment.

Alternative Mars Rover Motion Control

Learn how to code the Mars Rover to turn left and right on a circle with the set () to () block. Try different left and right orientations and move the Mars Rover with the up and down keys.

Alternative Mars Rover Motion Control

Learn how to code the Mars Rover to turn left and right on a circle with the set () to () block. Try different left and right orientations and move the Mars Rover with the up and down keys.

Arduino Serial Communication: Serial input

Discover the fascinating world of Arduino Serial Communication and how it enables data exchange between the Arduino board and the user.

Arduino Serial Communication: Serial Output

Discover the fundamentals of Arduino Serial Communication using Pictoblox and the importance of setting the correct baud rate for proper data exchange.

Automated Fish Feast Game | Number Classifier

Learn how to create a dataset and Machine Learning Model for an automated game from the user's input. See how to open the ML environment, upload data, label images, train the model, and export the Python script.

Automatic Light Control with LDR Sensor

In this example, we are going to learn how to program the Quarky to detect the ambient light reading and make the light turn ON and OFF accordingly.

Automatic Plant Watering using Soil Moisture Sensor

This example demonstrates how to use the Soil Moisture sensor to detect the moisture in the soil and water the plant using the drip system. The system will water the plant when the moisture of the soil is low.

Automatic Robotic Arm

Explore the capabilities of controlling robotic arms for efficient material handling.

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.

Automatic Water Tank

In this example, we will demonstrate how to use the Moisture sensor to detect how much the tank is filled and start the pump whenever the water level is low.

Automating Plant Watering Using Soil Moisture Sensor in Python

Automate watering your plants using PictoBlox and Python with the help of the Soil Moisture sensor and the IoT House Quarky Addon Kit. Learn how to assemble the drip irrigation system, set up the circuit, and write Python code to control it.

Ball Movement

The example demonstrates how to add movement to a sprite using the key detection hat block.

Ball Movement – Python

The example demonstrates how to add movement to a sprite.

Ball Trajectory – Simple

The example demonstrates the ball falling in gravity in a box. Using the pen extension we are also tracking the trajectory of the ball.

Basic Math Module Arithmetic Operations

This module contains basic arithmetic operations like addition, subtraction, multiplication, and division that can be performed on numbers.

Basic servo movement

Learn about servo motors and interface it with Arduino , servo control with ardunio
Beating-Heart

Beating Heart Quarky – Stage Mode – Block Coding

The project shows how to create custom patterns on Quarky RGB LED in Upload Mode.
Beating-Heart (4)

Beating Heart Quarky – Stage Mode – Python

The project shows how to create custom patterns on Quarky RGB LED in Stage Mode.
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Python Functions

wifi()
The function creates an object to connect Quarky with Wi-Fi.
Syntax: wifi()
readanaloginput()
The function reads the analog value of the sensors connected to the specified pin. The function returns the int value between 0 to 4096.
Syntax: readanaloginput(pin = “A1”)
video()
The function is used to control the state of the camera.
Syntax: video(video_state = “on”, transparency = 1)
move()
The function moves its sprite forward the specified amount of steps in the direction it is facing. A step is equal to one-pixel length.
Syntax: move(steps = 10)
say()
The function gives its sprite a speech bubble with the specified text — the speech bubble stays until another speech or thought block is activated, or the stop sign is pressed.
Syntax: say(message = “Hello!”, time = 0)
playuntildone()
The function will play the specified sound, pausing its script until the sound has finished playing.
Syntax: playuntildone(sound_name = “Grunt”)
istouching()
The function checks if its sprite is touching the mouse-pointer, edge, or another sprite. If the sprite is touching the selected object, the block returns true; if it is not, it returns false.
Syntax: istouching(object_name = “_edge_”)
stamp()
The function is used when the sprite needs to produce a bitmap image of itself which is stamped onto the stage. (Because it is merely a picture of the sprite and not a sprite itself, it cannot be programmed). The function will not draw over sprites. 
Syntax: stamp()
setled()
The function sets the specified RGB LED of Quarky (specified with X and Y position of the LED) to the specified RGB color and brightness value.
Syntax: setled(x_position = 1, y_position = 1, color = [0, 0 , 0], brightness = 20)
readpushbutton()
The function returns the state of the specified push button. If the button is pressed it returns True or else False.
Syntax: readpushbutton(button = “L”)
runrobot()
The function moves the Quarky robot in the specified direction. The direction can be “FORWARD”, “BACKWARD”, “LEFT”, and “RIGHT”.
Syntax: runrobot(direction = “FORWARD”, speed = 100)
playsound()
The function plays the specified audio on the Quarky speaker. The function does not have any callbacks, so other functions can be executed while this function is running.
Syntax: playsound(audio = “QuarkyIntro”)
video()
This function helps turn the video on/off on the stage with a defined level of transparency.
Syntax: video(video_state = “on”, transparency = 1)
video()
This function helps turn the video on/off on the stage with a defined level of transparency.
Syntax: video(video_state = “on”, transparency = 1)
setthreshold()
The function sets a loudness filter threshold to remove the background noise from the audio file which is being analyzed.
Syntax: setthreshold(loudness = 30)
initialisepickplace()
The function initializes the pick and place robot with the specified orientation.
Syntax: initialisepickplace(orientation = “HORIZONTAL”)
tf.keras.models.load_model()
The function loads a model saved via model.save().
Syntax: tf.keras.models.load_model(filepath = ‘saved_model.h5’, custom_objects = None, compile = True, options = None)
Quadruped()
The function initializes the quadruped robot object in Python and maps the 8 servos to the specified pins.
Syntax: Quadruped(Front Right Hip = 4, Front Left Hip = 1, Front Right Leg = 8, Front Left Leg = 5, Back Right Hip = 3, Back Left Hip = 2, Back Right Leg = 7, Back Left Leg = 6)
setrelay()
The function set the state of the relay connected to the selected pin to High or Low. A high state means that the pin will have 3.3V and for Low, the pin will be 0 V.
Syntax: setrelay(state = 1, pin = “D3”)
wifi.connecttowifi()
The function connects the Quarky or ESP32 to the specified Wi-Fi and password. The block is only available in the Upload Mode when the code is uploaded to Quarky.
Syntax: wifi.connecttowifi(WIFI = “Wi-Fi Name”, PASSWORD = “password”)
wifi.iswificonnected()
The function reports if the Wi-Fi is connected to the Quarky or ESP32 or not. This block is only available in Upload Mode.
Syntax: wifi.iswificonnected()
MarsRover()
The function initializes the Mars Rover object in Python and maps the 5 servos to the specified pins.
Syntax: MarsRover(Head = 4, Front Left = 1, Front Right = 7, Back Left = 2, Back Right = 6)
Humanoid()
The function initializes the humanoid robot object in Python and maps the 6 servos to the specified pins.
Syntax: Humanoid(Right Hip = 7, Left Hip = 2, Right Foot = 6, Left Foot = 3, Right Hand = 8, Left Hand = 1)
Mecanum()
The Quarky Mecanum Robot Drive Motors are initialized by the function, which assigns each motor to a specific port. This allows the robot to be programmed to move the motors in the desired direction.
Syntax: Mecanum(Front Left = 1, Back Left = 2, Back Right = 7, Front Right = 8)
initexpansion()
The function initializes the Expansion Board of Quarky for use. Without initialization, the board will not respond to any other functions.
Syntax: initexpansion()
math.acos()
The function returns the arc cosine of a number.
Syntax: math.acos(x)
roboticArm.calibrate()
This function performs the calibration process for a robotic arm by taking in the error angles of each of its three servos (link 1, link 2, and base). It then stores the offset angle for each servo to the memory of the Quarky, ensuring that the robotic arm is functioning correctly at all times.
Syntax: roboticArm.calibrate(Link1 Offset = 0, Link2 Offset = 0, Base Offset = 0)
AdvanceLineFollowing()
This function ensures proper sensor alignment for precise line-following control.
Syntax: AdvanceLineFollowing(ir_num = 2)
setdigitaloutput()
The function sets the digital state of the specified pin to HIGH or LOW / 0V or 3.3V.
Syntax: setdigitaloutput(pin, state)
enablebox()
The function enables the automatic display of the box on face detection on the stage.
Syntax: enablebox()
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Python Coding Examples

Accessing Updating Variables Outside Functions

In Python, this code demonstrates how the global variables allow us to access and update their values outside of functions.

Adafruit IO – Get Color | Remote Controlled RGB Light

In this example, we will retrieve the color information from the cloud and make the Quarky lights ON and OFF with the selected color on the cloud.

Adafruit IO – Get Data | Remote Controlled Light

In this example, we will retrieve the information from the cloud and make the Quarky lights ON and OFF. 

Adafruit Send Data to Cloud – All Sensors

This example shows how to create an IoT House Monitoring system that sends humidity, temperature, plant soil moisture, gas, and light sensor data to the cloud on Adafruit IO servers.

Adafruit Send Data to Cloud – DHT Sensor

We will use the Adafruit IO cloud service to send data from a humidity and temperature sensor to the cloud.

Add 5 to a User Input Number

Python code: Adds 5 to user input using a function. Displays id() before and after the call to check memory location change.

AI Delivery Robot

The example demonstrates how to make a delivery robot that follows the line and stops when it reaches checkpoint 1.

AI Delivery Robot – Python

The example demonstrates how to make a delivery robot that follows the line and stops when it reaches checkpoint 1 in the Python Coding Mode.

Air Draw

The example demonstrates how to use hand recognition and pen extensions to make an air draw game.

Air Draw – Python

The example demonstrates how to use hand recognition and pen extensions to make an air draw game in the Python Coding Environment.

Alternative Mars Rover Motion Control

Learn how to code the Mars Rover to turn left and right on a circle with the set () to () block. Try different left and right orientations and move the Mars Rover with the up and down keys.

Alternative Mars Rover Motion Control

Learn how to code the Mars Rover to turn left and right on a circle with the set () to () block. Try different left and right orientations and move the Mars Rover with the up and down keys.

Arduino Serial Communication: Serial input

Discover the fascinating world of Arduino Serial Communication and how it enables data exchange between the Arduino board and the user.

Arduino Serial Communication: Serial Output

Discover the fundamentals of Arduino Serial Communication using Pictoblox and the importance of setting the correct baud rate for proper data exchange.

Automated Fish Feast Game | Number Classifier

Learn how to create a dataset and Machine Learning Model for an automated game from the user's input. See how to open the ML environment, upload data, label images, train the model, and export the Python script.

Automatic Light Control with LDR Sensor

In this example, we are going to learn how to program the Quarky to detect the ambient light reading and make the light turn ON and OFF accordingly.

Automatic Plant Watering using Soil Moisture Sensor

This example demonstrates how to use the Soil Moisture sensor to detect the moisture in the soil and water the plant using the drip system. The system will water the plant when the moisture of the soil is low.

Automatic Robotic Arm

Explore the capabilities of controlling robotic arms for efficient material handling.

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.

Automatic Water Tank

In this example, we will demonstrate how to use the Moisture sensor to detect how much the tank is filled and start the pump whenever the water level is low.

Automating Plant Watering Using Soil Moisture Sensor in Python

Automate watering your plants using PictoBlox and Python with the help of the Soil Moisture sensor and the IoT House Quarky Addon Kit. Learn how to assemble the drip irrigation system, set up the circuit, and write Python code to control it.

Ball Movement

The example demonstrates how to add movement to a sprite using the key detection hat block.

Ball Movement – Python

The example demonstrates how to add movement to a sprite.

Ball Trajectory – Simple

The example demonstrates the ball falling in gravity in a box. Using the pen extension we are also tracking the trajectory of the ball.

Basic Math Module Arithmetic Operations

This module contains basic arithmetic operations like addition, subtraction, multiplication, and division that can be performed on numbers.

Basic servo movement

Learn about servo motors and interface it with Arduino , servo control with ardunio
Beating-Heart

Beating Heart Quarky – Stage Mode – Block Coding

The project shows how to create custom patterns on Quarky RGB LED in Upload Mode.
Beating-Heart (4)

Beating Heart Quarky – Stage Mode – Python

The project shows how to create custom patterns on Quarky RGB LED in Stage Mode.
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