[PictoBloxExtension]

Quarky Advance Line Following

Extension Description

Available in: Block Coding, Python Coding
Mode: Stage Mode, Upload Mode
WiFi Required: No
Compatible Hardware in Block Coding: Quarky
Compatible Hardware in Python: Quarky
Object Declaration in Python: linefollow = quarkyAdvanceLineFollowing();
Extension Catergory: Quarky

Introduction

The extension helps you to speed up your quarky in the line following using blocks and Python functions.

PictoBlox Blocks

The Block makes a request to ChatGPT with the specified text and stores the response in PictoBlox, which can then be accessed with the Block ‘Get AI Response’. This Block also features three types of AI bots – Normal AI, Sarcastic AI, and Friend AI.

This block enables users to set the digital state of an Arduino digital pin to either a High (5V) or Low (0V) voltage output. It can be used on the Arduino Uno, Mega, and Nano boards.

The block allows the user to set the cursor position in an LCD module. It takes two parameters, the column and row numbers, and moves the cursor to that position. This allows the user to create more precise output for the display.

This block adds the offset on the end effector position along the specified length direction i.e. the direction in which the robotic arm is facing and the Z direction.

This block moves the robot forward and backward for a set time, collecting IR sensor data on both white and black lines.

Starts the script when the sprite is touched by another sprite.

Moves the sprite a specified number of grid squares up.

Makes the sprite disappear as if fully invisible.

Runs the script over and over forever, untill stop by Stop button (🛑).

Play’s a specified sound from the list.

This makes a image copy of the sprite on the stage.

After connection is established, rotates the quarky a specified number of step to the left.

Shows a specified emotion with animation on the quarky LED display.

Detects and counts the number of human faces present in a view captured from the camera.

Allows the sprite to follow the movement of a detected hand in real-time on specified finger.

Runs the blocks inside if a specfied state(active/inactive) of the sensors of the wizbot is detected.

After connection is established, moves the wizbot in a specified direction forever.

The block sets a text color (choose from the color selector), a particular background color (choose from the color selector) and the text size (value varying from 1 to 7) for the text.

evive has a 5-way navigation key, 4 of them are for up, down, right and left direction. This block checks if the navigation key is in one of the four particular directions. The direction for which you wish to check is your choice and can be chosen from the drop down on the block.

The block sends the written message on the terminal module of the Dabble app.

The block reports the digital state of the digital sensor, connected to the selected digital pin.

This block should be included every time you work with the humanoid robot for the first time as it calibrates the angles of all the four servo motors of the leg (2 servos of legs + 2 servos of feet) and saves the angles in the memory of evive.

The block points its sprite in the specified direction; this rotates the sprite.

The block gives its sprite a thought bubble with the specified text. The thought bubble stays until a speech or thought block with its text block empty is activated, or the stop sign is pressed.

The options for the Change () Effect by () block’s drop-down menu are pan left/right and pitch. The input is for selecting how much the sound will be changed. A positive number will make the sound effect have more effect, while a negative number will make it smaller.

The block will check its Boolean condition. If the condition is true, the blocks held inside it will run, and then the script involved will continue. If the condition is false, the code inside the block will be ignored and the script will move on (unlike in the If () Then, Else block). The condition is only checked once; if the condition turns to false while the script inside the block is running, it will keep running until it has finished.

Scripts that wear the block will activate once its sprite or clone of the sprite is clicked. Contrary to its definite name, the block will also execute the clone’s script when the clone is clicked on.

The block reports the Euclidean distance, in pixels, between it and the mouse-pointer or a specified sprite’s costume center.

The block will make an input box (with the specified text above it) show at the bottom of the screen. Scratchers can input text into it and submit it, and the input is stored then in the Answer block. The Answer block automatic updates to the most recent input.

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Block Coding Examples

Python Based Computer Controlled Mars Rover-2

Python Based Computer Controlled Mecanum

Learn how to control the Mecanum using PictoBlox with keyboard inputs using Python. Make the Mecanum move forward, backward, turn left, and turn right along with unique lateral motions!

Python Based Different Motions (Square and Axe)

Learn to move your Quarky Mecanum Wheel Robot in a square and make an axe figure with PictoBlox's Python Interface. Use the arrow keys to activate the custom movements!

Python Based Gesture Controlled Gripper Mecanum

In this activity, learn how to create a new Machine Learning model that will be able to identify and detect different types of hand poses and that can help us to control the Mecanum Gripper Robot.

Python Based Gripper Mecanum with Dabble

Learn to control Mecanum using Dabble App on your device with customized functions for specialized motions using the Python Interface of the Pictoblox Software.

Python Based Hand Pose Controlled Mecanum

Learn how to use the Hand Gesture Classifier of the Machine Learning Environment to make a machine-learning model that identifies hand gestures and makes the Mecanum move accordingly.

Python Based Hand Pose Controlled Mecanum Pick and Place Robot

In this activity, learn how to create a new Machine Learning model that will be able to identify and detect different types of hand poses and that can help us to control the Mecanum Pick and Place Robot.

Python Based Pick and Place Mecanum with Dabble

Learn to control Mecanum Pick and Place Robot using Dabble App on your device with customized functions for specialized motions using the Python Interface of the Pictoblox Software.

Python Based Sign Detection Controlled Mecanum

Learn how to code logic for video input detection with this example code. You will be able to direct your own Mecanum easily by just showing signs through the camera input.

Python Based Speech Recognition Controlled Mecanum

Learn how to code logic for speech recognized control of Mecanum with this example block code. You will be able to direct your own Mecanum easily by just speaking commands.

Python Code for Linear Search in a List

Learn to write a Python function to check if a number is present in a list using linear search. Get code and understand the logic behind it.

Python code for Simulating a Traffic Light

The code includes user-defined functions for determining the light color and providing a corresponding message, stay safe on the roads.

Python Code to Calculate Factorial

This Python code calculates the factorial of a given number using a for loop and displays the result

Python Deque Implementation

Explore the world of Python deques through this comprehensive guide. Discover how to implement essential deque operations like insertion, retrieval, and deletion. Dive into practical examples showcasing effective deque management and gain insights into different use cases for deques.

Python Exception Handling with Finally Clause

Discover the resilience of Python's finally clause in this detailed guide. Learn how to handle exceptions while ensuring critical cleanup tasks. Explore a practical example that demonstrates the power of the finally clause in enhancing your Python programming skills.

Python Exception Handling with Try-Except-Else

Master the art of Python exception handling using the try-except-else construct. Learn how to gracefully manage division errors while leveraging the power of the else clause.

Python Exception Handling: Handling Exceptions Without Specifying an Exception

Learn how to handle exceptions in Python without specifying a specific exception type. This comprehensive tutorial explores the use of a generic except block for robust error management.

Python Function to Add Two Numbers

Learn how to write a Python function that accepts two numbers, calculates their sum, and displays the result.

Python Function to Display Full Name

This code takes a first name and last name as input and combines them using the + operator to form a full name, which is then displayed.

Python Function to Increment Elements of a List

This Python code uses a function to increment the elements of a list and shows the before/after changes in the list ID.

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Python Functions

costume()

The function returns its sprite’s current costume number or name.

Syntax: costume(result_type = “number”)

readscanneddata()

The function reports the data stored from the last RFID scan.

Syntax: readscanneddata()

ts.getdatafromfield()

The function reports the selected field data from the last read request from ThingSpeak.

Syntax: ts.getdatafromfield(field = 1)

oscillationtimer()

The function reports the time passed from the reset for the oscillator.

Syntax: oscillationtimer()

setopenangle()

This function sets the angle of the Gripper Robot’s gripper servo motor to a particular value when it is in the open position.

Syntax: setopenangle(angle = 90)

roboticArm.getcurrentposition()

This function takes a single parameter as input and returns the current position of the end effector along a specified axis.

Syntax: roboticArm.getcurrentposition(AXIS = “x”)

addclassfromstage()

The function allows the user to add a particular face to the database from the stage. The user can specify the name of the face with the argument as well. This addition of the face in the database is also stored inside the PictoBlox file while saving.

Syntax: addclassfromstage(label_number = 1, label_name = “Jarvis”)

setrotationstyle()

The function changes the Rotation Style of the sprite in-project. Regardless of the style, the variable direction will still change.

Syntax: setrotationstyle(rotation_style = “left-right”)

writetorfid()

The function writes the message to the RFID tag. It will wait for the specified time to scan an RFID tag and write the value on it. The function also reports whether the operation is completed or not. If the write is complete the block returns 1, else it returns 0.

Syntax: writetorfid(data = “Hello!”, duration = 5)

makeapirequest()

The block makes the specified type of HTTP request (GET, POST, or DELETE) on the specified URL. The request can have a body or not.

Syntax: makeapirequest(request = “GET”, url = “url”, bodytype = “with”)

closearm()

This function allows the Gripper Robot to close its gripper.

Syntax: closearm()

deleteallclass()

The function deletes all the stored databases of the images for face recognition.

Syntax: deleteallclass()

x()

The function returns the sprite’s X position.

Syntax: x()

y()

The function returns the sprite’s Y position.

Syntax: y()

backdrop()

The function returns its sprite’s current backdrop number or name.

Syntax: backdrop(result_type = “number”)

setmaster()

The function sets the last scanned RFID tag to the master RFID tag. This can be used for authentication.

Syntax: setmaster()

setbody()

The function defines the value of the body.

Syntax: setbody(body = “{“value”:”5″}”)

openarm()

This function allows the Gripper Robot to open its gripper.

Syntax: openarm()

recognisefromcamera()

This function is used to match the input image from the camera with the stored classes previously stored in the database.

Syntax: recognisefromcamera()

direction()

The function returns the sprite’s direction in angle.

Syntax: direction()

size()

The function returns its sprite’s size.

Syntax: size()

ismaster()

The function reports if the last RFID tag scanned is a master tag or not. If it is the master RFID tag, then it returns 1, else 0.

Syntax: ismaster()

setcontenttype()

The function sets the body content type to the specified value.

Syntax: setcontenttype(type = “application/x-www-form-urlencoded”)

recognisefromstage()

This function is used to match the input image from the stage with the stored classes previously stored in the database.

Syntax: recognisefromstage()

getmastertag()

The function reports the master RFID tag ID.

Syntax: getmastertag()

requestapicode()

The function reports the request-response code received.

Syntax: requestapicode()

isclassdetected()

This function is used to check if the input image belongs to one of the classes previously defined. The class to be checked with can be set using the argument as label_number.

Syntax: isclassdetected(label_number = 1)

gettag()

The function reports the last scanned RFID tag ID.

Syntax: gettag()

getresponse()

The function reports the body or error value from the HTTP request.

Syntax: getresponse(type = “body”)

getclassname()

This function is used to get the class of the input face detected from the analysis. The identifying number of the face being analyzed can be set using the argument.

Syntax: getclassname(face = 1)

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Quarky Advance Line Following

Introduction

PictoBlox Blocks

Block Coding Examples

Python Functions

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