USB Host Shield for Compatible with Google Android ADK Support UNO MEGA

Expand your Arduino's connectivity with this USB Host Shield, fully compatible with Google Android ADK and designed to work seamlessly with Arduino UNO and MEGA boards. This shield transforms your microcontroller into a USB host, enabling direct communication with USB peripherals including Android smartphones, keyboards, mice, game controllers, Bluetooth dongles, and more. Built around the MAX3421E USB host controller IC, it communicates via SPI and provides a standard USB Type-A connector for plug-and-play peripheral integration. Whether you're building Android-controlled robotics, custom HID interfaces, or data-logging systems, this shield is your gateway to a vast ecosystem of USB devices.

Specifications

Key Features

• MAX3421E USB Host Controller: Industry-standard IC providing full USB 2.0 host functionality with SPI communication up to 26 MHz, handling all low-level USB protocol management.
• Google Android ADK Compatible: Supports the Android Open Accessory protocol, allowing your Arduino to communicate directly with Android smartphones and tablets for app-controlled projects.
• Universal Arduino Compatibility: Designed with standard shield form factor and stackable headers for direct plug-in with Arduino UNO, MEGA 2560, and pin-compatible boards.
• Wide USB Device Support: Connect keyboards, mice, game controllers, Bluetooth dongles, USB flash drives, serial adapters, wireless receivers, and many more USB peripherals.
• Onboard 3.3V Level Shifting: Integrated level shifters ensure safe communication between the 5V Arduino and the 3.3V MAX3421E IC without requiring external components.
• USB Type-A Host Connector: Standard full-size USB-A female port for direct connection of USB devices and cables without adapters.
• Overcurrent Protection: Built-in VBUS power management protects both the shield and connected USB devices from excessive current draw.
• Open-Source Library: Fully supported by the comprehensive USB Host Shield 2.0 library with extensive examples, documentation, and active community support.
• Stackable Design: Pass-through headers allow stacking additional shields on top, enabling multi-shield project configurations.
• Compact & The Engineer Store: Professional PCB design with clear silkscreen labeling, quality soldering, and reliable connectors for long-term use.

How It Works

The USB Host Shield operates as an SPI slave device connected to your Arduino. The MAX3421E IC handles all USB protocol-level operations including device enumeration, endpoint management, and data transfer. When a USB device is plugged into the shield's Type-A connector, the MAX3421E detects the connection, identifies the device type, and establishes communication. Your Arduino sketch uses the USB Host Shield 2.0 library to send high-level commands over SPI, which the MAX3421E translates into proper USB transactions.

For Android ADK applications, the shield implements the Android Open Accessory protocol. When an Android device is connected, the shield identifies itself as an accessory, and the Android device launches the corresponding app. Bidirectional data transfer then occurs over USB, allowing your Arduino to send sensor data to the phone or receive commands from

Frequently Asked Questions

Buy USB Host Shield for Compatible with Google Android ADK Support UNO MEGA Online in India

Purchase the USB Host Shield for Compatible with Google Android ADK Support UNO MEGA online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on USB Host Shield for Compatible with Google Android ADK Support UNO MEGA with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy USB Host Shield for Compatible with Google Android ADK Support UNO MEGA at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.