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  4. GPIO Expander
Updated on August 11, 2025

Tips

  • Folder icon closed Folder open iconBasics
    • Bits and Bytes
    • Digital Input/Output
    • Digital/Analog Signals
    • Calculating LED Resistor Values
    • Pull-up/down Resistors
    • 3.3V ↔ 5V Conversion
    • Serial Communication (UART)
    • DC Motor, Servo Motor, Stepper Motor
    • Multi Thread
    • Relay
  • Folder icon closed Folder open iconHardware
    • Raspberry Pi
      • GPIO
      • Installing Operating System
      • How to Change 1-Wire Pin
      • How to Find I2C Device Addresses
      • Raspberry Pi vs Arduino
      • Serial (UART) Port
      • Using Desktop Environment with VNC
    • Beagle Bone
      • GPIO
      • Installing Operating System
    • Jetson Nano
      • GPIO
      • Installing Operating System
    • GPIO Expander
      • FT232H/FT2232H/FT4232H
      • MCP2221A
      • NUMATO USB-GPIO
  • Folder icon closed Folder open iconLinux
    • Linux Directory Structure
    • Configuring Linux Auto Login
    • Installing Linux on Windows (Virtual Machine)
    • Installing Linux on macOS (Virtual Machine)
    • Installing SSH Server
    • Finding Your Controller’s IP Address
    • Connecting via SSH
    • Transferring Files Between PC and Controller
    • Fixing “User is not in the sudoers file” Error
  • Folder icon closed Folder open iconAudio/Video
    • Fixing Audio Stuttering and Latency Issues
    • Playing Audio Through Bluetooth Speakers
    • Selecting Instruments from SoundFont Files
    • Fixing “Failed to create new vlc instance” Error
  • Folder icon closed Folder open iconDatabase
    • Setting Up Firebase Database
  • Folder icon closed Folder open iconIoT
    • Setting Up Google Cloud TTS/STT
    • Setting Up OpenAI TTS/STT
    • Setting Up ElevenLabs TTS
    • Setting Up Telegram Bot
    • Getting Data from WeatherAPI.com

GPIO Expander

Estimated reading: 0 minutes 299 views

  • FT232H/FT2232H/FT4232H
  • MCP2221A
  • NUMATO USB-GPIO

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