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Updated on August 13, 2025

User Manuals

  • Folder icon closed Folder open iconQuick Start Guide
    • Grablo!
    • Basic Concepts
  • Folder icon closed Folder open iconProject
    • General
    • Sharing Project
  • Folder icon closed Folder open iconLogic
    • Logic
    • Control Group
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    • Action Group
    • Condition
      • General
      • Type
        • Always Met
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        • Variable Comparison
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        • Condition Reference
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        • Custom Condition
    • Action
      • General
      • Type
        • Write Variable
        • I/O Device Control
        • Time Delay
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        • Audio Transform
        • Shell Command
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        • Text-to-Speech
        • File System
        • Read/Write File
        • Database
        • HTTP Communication
        • MQTT Communication
        • OPC UA Communication
        • Modbus Communication
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  • Folder icon closed Folder open iconDashboard
    • General
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  • Folder icon closed Folder open iconSetting
    • GPIO
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  • Folder icon closed Folder open iconI/O Device
    • DS18B20 Digital Temperature Sensor
    • MAX31865 RTD Temperature Sensor
    • TinyGPS++ GPS Library
    • BMP180 Digital Pressure and Temperature Sensor
    • AHTx0 Temperature and Humidity Sensor
    • SHT2x Temperature and Humidity Sensor
    • Servo Motor Control
    • PWM Signal Output
    • PWM Signal Monitoring
    • Hardware PWM Signal Output
    • LED Control
    • Push Button Input
    • Digital I/O
    • Stepper Motor Control
    • High Speed Counter
    • ADS1x15 ADC
    • ADXL345 3-Axis Accelerometer
    • BME280 Temperature, Humidity, Pressure Sensor
    • BMP280 Temperature, Pressure Sensor
    • MLX90614 Infrared Temperature Sensor
    • MCP4725 DAC
    • QMC5883L 3-Axis Magnetometer
    • SHT31 Digital Temperature and Humidity Sensor
    • TCS34725 RGB Color Sensor
    • VEML6070 UV Sensor
    • BH1750 Digital Light Intensity Sensor
    • DS3231 RTC High-Precision Real-Time Clock
    • MPU-9250 9-Axis IMU Sensor
    • CCS811 Carbon Dioxide and TVOC Air Quality Sensor
    • VL53L0X ToF Laser Distance Sensor
    • TFmini Plus(S) LiDAR Distance Sensor
    • MAX7219 8-Digit 7-Segment Display
    • PCF8574 LCD Display Driver
    • HC-SR04 Ultrasonic Distance Sensor
    • LED Brightness Control
    • RGB LED Color Control
    • DC Motor Control
    • AT24C256 EEPROM Memory
    • DHTxx Temperature and Humidity Sensor
    • MCP3xxx ADC
    • LCD Display Driver (MCP23008, MCP23017)
    • MFRC522 RFID Reader
    • Passive Buzzer
    • NeoPixel (WS281x) LED
    • Infrared (IR) Receiver
    • NeoPixel Matrix
    • ST77xx TFT Color LCD
    • ILI9341 TFT Color LCD
    • SSD1306 0.96-inch Monochrome OLED Display
    • SH1106 1.3-inch Monochrome OLED Display
    • MAX7219 8×8 LED Dot Matrix
    • HT16K33 4-Digit 7-Segment Display
    • HX711 Load Cell 24-bit AD Converter
    • TCS3200 RGB Color Sensor
    • MPU6050 6-Axis Gyro Accelerometer
    • TM1637 4-Digit 7-Segment Display
    • PM2008(M) Particulate Matter Sensor
    • PMS x003 Particulate Matter Sensor
    • MAX30102 SpO2 and Heart Rate Sensor
    • AS608, FPM10A Fingerprint Sensor
    • TTP229 Capacitive 16-Key Touch Keypad
    • 4×4 Keypad Matrix
    • Analog to Digital Converter (ADC)
    • Digital to Analog Converter (DAC)
    • RPM Monitor
    • PCA9685 16-Channel 12-Bit PWM Servo Driver
    • INA219 DC Current Sensor
    • VL6180X ToF Distance Sensor
    • Custom Digital Waveform Output
    • NRF24L01 2.4GHz RF Module
  • Folder icon closed Folder open iconBlock Coding
    • General
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      • JSON
      • XML
      • Local Variables
      • Local Functions
  • Folder icon closed Folder open iconConnect & Run
    • Hardware and Operating System
    • Grablo Package Installation
    • Connect and Run

Type Conversion

Estimated reading: 4 minutes 283 views

Convert to Number

Converts boolean, number, and text values to numbers. An error occurs if the text cannot be converted to a number.
Example: true → 1, false → 0, “123” → 123, “ABC” → error

  • Input [Type]: Value [Digital, Number, Text]
  • Output [Type]: Converted number [Number]

​

Convert to Text

Converts all types to text representation.
Example: true → “true”, 123 → “123”, 2023-03-23 → “2023-03-23”

  • Input [Type]: Value [All types]
  • Output [Type]: Converted text [Text]

​

Convert to Digital

Converts numbers to digital values (true or false).
Example: 1 → true, 0 → false

  • Input [Type]: Value [Digital, Number]
  • Output [Type]: Converted digital value [Digital]

​

Convert to Integer Type

Converts the input value to an integer of the selected type.
Integer types: signed/unsigned 8-bit, 16-bit, 32-bit
Example: Convert 172 to signed 8-bit integer → -84

  • Input [Type]: Value [Number]
  • Output [Type]: Converted integer value [Number]

​

Convert Text to Date

Converts text to a date value. An error occurs if the text is not in a valid date format.
Example: “2022-12-01” → 2022-12-01

  • Input [Type]: Text [Text]
  • Output [Type]: Converted date [Date]

​

Convert Text to Time

Converts text to a time value. An error occurs if the text is not in a valid time format.
Example: “14:27:30” → 14:27:30

  • Input [Type]: Text [Text]
  • Output [Type]: Converted time [Time]

​

Convert Text to Duration

Converts text to a duration value. Duration format should be “0h 0m 0s 0ms” or “0:0:0:0”. An error occurs if the text is not in a valid duration format.
Example: “12:34:56:789” → 12 hours 34 minutes 56 seconds 789 milliseconds

  • Input [Type]: Text [Text]
  • Output [Type]: Converted duration [Duration]

​

Convert Byte Array to Integer

Converts a byte array to an unsigned 32-bit integer. The first byte of the byte array is the MSB (Most Significant Byte).
Example: [FF, AA] → 65450

  • Input [Type]: Byte array [Byte Array]
  • Output [Type]: Converted integer value [Number]

​

Convert Integer to Byte Array

Converts an integer to a byte array. The input value is automatically converted to a 32-bit integer, and the first byte of the byte array is the MSB (Most Significant Byte).
Example: 65450 → [00, 00, FF, AA]

  • Input [Type]: Integer [Number]
  • Output [Type]: Converted byte array [Byte Array]

​

Convert Binary Text to Integer

Converts binary text to an unsigned 32-bit integer. The first bit is the MSB (Most Significant Bit). The text can include spaces.
Example: “1111 1111 1010 1010” → 65450

  • Input [Type]: Binary text [Text]
  • Output [Type]: Converted integer value [Number]

​

Convert Integer to Binary Text

Converts an integer to binary text. The input value is automatically converted to a 32-bit integer, and the first bit is the MSB (Most Significant Bit).
Example: 65450 → “00000000000000001111111110101010”

  • Input [Type]: Integer [Number]
  • Output [Type]: Converted binary text [Text]

​

Convert Hexadecimal Text to Integer

Converts hexadecimal text to an unsigned 32-bit integer. The first byte of the hexadecimal text is the MSB (Most Significant Byte). The input text must be in one of these formats: no spaces (00AAFF), space-separated (00 AA FF), comma-separated (00, AA, FF), or colon-separated (00:AA:FF).
Example: “FF AA” → 65450

  • Input [Type]: Hexadecimal text [Text]
  • Output [Type]: Converted integer value [Number]

​

Convert Integer to Hexadecimal Text

Converts an integer to hexadecimal text. The input value is automatically converted to a 32-bit integer, and the first byte of the hexadecimal text is the MSB (Most Significant Byte).
Example: 65450 → “00 00 FF AA”

  • Input [Type]: Integer [Number]
  • Output [Type]: Converted hexadecimal text [Text]

​

Convert Byte Array to UTF-8 Text

Converts a byte array to UTF-8 text.
Example: [EA, B0, 80, EB, 82, 98, EB, 8B, A4] → “가나다”

  • Input [Type]: Byte array [Byte Array]
  • Output [Type]: UTF-8 text [Text]

​

Convert UTF-8 Text to Byte Array

Converts UTF-8 text to a byte array.
Example: “가나다” → [EA, B0, 80, EB, 82, 98, EB, 8B, A4]

  • Input [Type]: UTF-8 text [Text]
  • Output [Type]: Byte array [Byte Array]

​

Convert Hexadecimal Text to Byte Array

Converts hexadecimal text to a byte array. The input text must be in one of these formats: no spaces (00AAFF), space-separated (00 AA FF), comma-separated (00, AA, FF), or colon-separated (00:AA:FF).
Example: “AF 00 B0” → [AF, 00, B0]

  • Input [Type]: Hexadecimal text [Text]
  • Output [Type]: Converted byte array [Byte Array]

​

Convert Byte Array to Hexadecimal Text

Converts a byte array to hexadecimal text.
Example: [AF, 00, B0] → “AF 00 B0”

  • Input [Type]: Byte array [Byte Array]
  • Output [Type]: Converted hexadecimal text [Text]

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