Blockly Definitions

Block type: controls_if

Checks a condition and runs the blocks inside the do section when the condition is true.

You can expand this block using the gear icon to add more else if or else sections.

Block type: logic_compare

Compares two values and returns either true or false.

Operators: =, !=, <, <=, >, >=

Block type: logic_operation

Combines two true/false values using and or or.

• AND means both conditions must be true.
• OR means either condition can be true.

Block type: logic_negate

Reverses a true/false value. If something is true, it becomes false. If it is false, it becomes true.

Block type: logic_boolean

A simple true or false value block.

Block type: controls_repeat_ext

Repeats the enclosed blocks the specified number of times.

Block type: break

Immediately exits the current loop.

Block type: controls_whileUntil

Repeats blocks while a condition is true, or until a condition becomes true.

Block type: repeat_for

Counts from one number to another using a variable and a step amount.

Block type: loop_forever

Repeats the blocks forever until a Break or Halt block stops execution.

Block type: labelblock

Creates a named marker in your program that other blocks can jump to.

Block type: gotoblock

Jumps execution to a label with the matching name.

Block type: play_audio

Plays a sound from the project's soundboards and continues immediately.

Block type: play_audio_wait

Plays a sound and waits until it finishes before continuing.

Block type: audio_stop

Stops audio currently playing from the EZ-B speaker.

Block types: say, say_wait, sayWithIndex, say_waitWithIndex

Speaks text through an EZ-B speaker. Some versions continue right away, while the Wait versions pause until speech finishes.

Block types: say_pc, say_pc_wait

Speaks text through the computer's sound device.

Block types: wait_for_speech, wait_for_speech_ext

Waits for one of the expected phrases to be spoken and returns the detected result, or timeout if nothing is recognized in time.

Block type: wait_for_speech_range

Waits for a spoken number within a specific range.

Block type: wait_for_any_speech

Waits for any speech input and returns what was heard, or timeout.

Block type: wait_for_any_number_speech

Waits for any spoken number, including negative and decimal values.

Block type: camera_tracking

Sets the camera tracking mode, such as Face, Object, Motion, Glyph, or color tracking.

Block types: movement_tracking, servo_tracking

Turns robot movement tracking or servo tracking on or off so the robot can follow tracked targets.

Block types: wait_for_face, wait_for_color, wait_for_glyph, wait_for_object, wait_for_multi_color, wait_for_ycbcr_color

These blocks pause execution until the selected target is detected by the camera.

Block type: take_photo

Captures a photo from the camera and saves it to the My Pictures folder.

Block type: tweet_image

Posts the current camera image to a configured Twitter account with a message.

Block type: camera_command

Sends a ControlCommand() to the camera device using one of the configured project commands.

The Camera category also includes pre-built compare blocks for checking things such as:

• Whether the camera is tracking
• Whether the tracking type is Face
• Whether the tracking type is Object
• Whether the tracking type is Color
• Whether the tracking type is MultiColor
• Whether the tracking type is Motion
• Whether the tracking type is Glyph

Block type: procedures_callreturn

Calls a function and returns a value back to the current block.

Block type: procedures_callnoreturn

Calls a function that performs actions but does not return a value.

Block type: return

Ends the current function and optionally returns a value.

Block type: math_number

A number constant block.

Block type: math_arithmetic

Performs addition, subtraction, multiplication, division, or power operations.

Block type: random

Returns a random number between a minimum and maximum value.

Block types: math_single, math_trig, math_constant

Provides more advanced math operations such as square root, logarithms, sine, cosine, tangent, pi, and more.

Block type: math_number_property

Checks if a number is even, odd, prime, positive, negative, whole, or divisible by another value.

Block type: math_change

Adds a value to an existing variable.

Block type: math_round

Rounds a number normally, up, or down.

Block type: math_constrain

Keeps a number within a minimum and maximum range.

Block types: move_forward, move_reverse

Moves the robot continuously using left and right wheel speed values.

Block types: move_forward_time, move_reverse_time

Moves the robot for a specified number of milliseconds.

Block types: move_right, move_left

Turns the robot left or right using a speed value.

Block type: move_stop

Stops all robot movement immediately.

Block types: autoPositionNoLoop, autoPositionNoLoopByActionName, autoPositionLoop, autoPositionLoopByActionName, auto_position_background

Run Auto Position actions by dropdown or by name, either waiting, looping for a duration, or running in the background.

Block type: move_servo

Moves a servo on a selected port to a target position.

Block types: getservo, getservorealtime

Reads the current servo position either from cached data or directly from the hardware in real time.

Block types: servo_speed, setAcceleration, setVelocity

Controls how the servo moves and how quickly it gets there.

Block types: setMinPositionLimit, setMaxPositionLimit

Prevents a servo from moving outside a safe range.

Block type: release

De-energizes the servo so it can move freely.

Block type: text

A text constant block.

Block type: text_length

Returns the number of characters in a string or items in an array.

Block type: text_print

Prints a value to the output console.

Block types: text_join, text_append

Combines strings together or adds more text to a variable.

Block type: wait_for_prompt

Shows a prompt to the user and waits for a response or timeout.

Block types: get_digital, set_digital

Reads or writes a true/false value on a digital port.

Block types: get_adc, get_adc_12

Reads analog values from ADC ports with standard or higher precision.

Block type: port_pwm

Sets a PWM output value on a digital port.

Block type: get_ping

Reads distance from an ultrasonic sensor using trigger and echo ports.

Block type: get_voltage

Returns the EZ-B controller voltage.

Block type: get_cpu_temp

Returns the EZ-B controller CPU temperature.

Block type: sleep

Pauses the script for the specified number of milliseconds.

Block type: control_command

Sends a ControlCommand() to another skill or control in the project.

Block type: raw_javascript

Inserts raw JavaScript directly into the generated code.

Block type: halt

Immediately stops script execution.

Block type: variables_get

Returns the current value stored in a variable.

Block type: variables_set

Assigns a value to a variable.

Block type: clear_variable

Clears or resets the selected variable.