Arduino USB Host Shield
Expand your Arduino’s capabilities with the Arduino USB Host Shield, a powerful add-on board that enables communication between your microcontroller and standard USB devices. This shield supports USB 2.0 protocol and is compatible with popular Arduino boards like the UNO, Mega 2560, and Leonardo.
Using this shield, you can interface your Arduino with USB keyboards, mice, PlayStation controllers, Android phones (via ADB), USB flash drives (with additional libraries), and Bluetooth dongles, opening up a wide range of applications for robotics, home automation, and IoT projects.
⚙️ Technical Specifications
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USB Standard: USB 2.0 Full-Speed (12 Mbps)
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Controller Chip: MAX3421E USB peripheral/host controller
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Voltage Supply: 5V input with onboard 3.3V regulator
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Library Support: Arduino USB Host Shield Library 2.0
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Compatible Boards:
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Arduino UNO
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Arduino Mega 2560
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Arduino Leonardo
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Interfaces Supported:
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USB HID (keyboard, mouse)
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USB Gamepads (e.g., PlayStation 3, Xbox)
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USB Mass Storage (with code extensions)
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Android ADB
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Bluetooth dongles
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🧠 Applications & Use Cases
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Control robots using USB game controllers
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Create custom USB HID input devices
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Read USB keyboard input for embedded systems
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Use Android phones to control Arduino-based gadgets
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Build Arduino-powered Bluetooth communication modules with USB dongles
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Integrate with IoT projects using NodeMCU or Raspberry Pi
Explore other boards in the Arduino and Accessories section or power your project with reliable Power Supply options.
🛠️ How to Use
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Mount the USB Host Shield onto your Arduino board.
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Install the USB Host Shield 2.0 library from the Arduino IDE Library Manager.
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Upload example sketches from the library (e.g., HID_mouse, PS3BT).
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Connect your USB device and monitor communication via Serial Monitor.
🎥 Tutorial: How to Use USB Host Shield with Arduino
📺 Watch on YouTube
⚠️ Precautions
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Ensure your USB devices are powered appropriately.
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Some high-power USB devices (e.g., USB HDDs) may require an external powered hub.
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Always check library compatibility with your Arduino model.
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Disconnect power before mounting or removing the shield.
🛒 Where to Buy
Available now in the Arduino and Accessories section at Electroway. Combine it with other tools and accessories, or browse sensors and modules in our Electronics Components collection for complete projects.
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