Operators

Extension Description

Operator blocks deal with many mathematical functions within a project.

Available in: Block Coding
Mode: Stage Mode
WiFi Required: Yes
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
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
Object Declaration in Python: sprite = Sprite("Sprite-Name")
Extension Catergory: Default

Introduction

Operators is one of the ten categories of default Scratch blocks. They are color-coded light-green and are used to script math equations and string handling.

PictoBlox Blocks

The block joins two Boolean blocks so they both have to be true to return true. If they are both true, the block returns true; if they are not all true or none true, it returns false.

The block hides the specified variable’s Stage monitor.

The recognize () in image from URL () block extracts the image from the specified URL, analyzes it, and saves information in PictoBlox.

The block analyses the image and saves the face information locally, which can be accessed using other blocks similar to computer vision.

This block is used to analyze the image received as input from the image URL specified, for the handwritten and printed text.

The block returns the current loaded model URL or the type (Image or Pose).

The function analyses the specified test and provides the class name under which it has been classified by the NLP model.

The block analyses the image and saves the face information locally, which can be accessed using other blocks.

The block returns whether the QR Code is detected in the analysis or not.

The function returns the humidity in % of the location.

The block sets the transparency of the video stream to a certain value.

If a sprite is currently using the pen because of the Pen Down block, the block will cause the sprite to stop drawing a trail. (Otherwise, it has no effect.)

The block sets the digital state of the specified pin to HIGH or LOW / 0V or 3.3V.

The block displays the specified text on the Quarky RGB LED.

The block initializes the following line parameters for the Quarky robot – F. T1 and T2.

The block returns the IR sensor analog reading. The reading varies from 0 to 4095.

The block plays the tone on the speaker for the specified note and duration.

This block analyses the image and saves the information locally, which can be accessed using other blocks.

The block sets the servo connected to the PWM pin to the specified angle between 0 to 180.

This block is used to set the threshold for the confidence (accuracy) of object detection, 0 being low confidence and 1 being high confidence. With the threshold value, you can set the level of confidence required for object detection.

The block enables or disables the automatic display of the key points on the human pose on the stage. This is useful when you want to see if the detection is happening or not.

The block set the chassis servo motors to the specified angles.

The block enables or disables the automatic display of the key points on the human hand on the stage. This is useful when you want to see if the detection is happening or not.

The block reports the recognized class from the analyse numbers block.

The block reports the specified class confidence value of the selected class. 0 is low confidence and 1 is high confidence.

The block sets the sprite’s density, roughness, and bounce (restitution) to the defined values.

The block reports the temperature or humidity from the DHT sensor connected to the selected pin.

The block sets the specified motor of the Quarky Expansion board to the specified direction (“FORWARD” or “BACKWARD”) and specified speed.

The block sends the specified data to the selected feed as a number or as a string.

The block clears the values of the body.

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