ANAVI Handle: Transforming the Wii Nunchuck into a Versatile USB Controller

by John Nowacky
in Action, News
on 27 May 2024

ANAVI has introduced an innovative open-source hardware project known as the ANAVI Handle. This groundbreaking device allows users to convert their Nintendo Wii Nunchuck into a USB controller, expanding its compatibility to various hardware such as computers, laptops, single board computers, and retro gaming consoles.

At the heart of the ANAVI Handle lies the Seeed Studio XIAO RP2040 module, powered by the Raspberry Pi RP2040 microcontroller. By utilizing a custom port carrying I2C signals, the ANAVI Handle seamlessly transforms the Wii Nunchuck into a standard USB HID (human interface device) that requires no additional drivers.

The ANAVI Handle showcases several impressive specifications, including the XIAO RP2040 MCU, a dual-core Cortex-M0 processor clocked at 133MHz, and 264kB RAM. With a storage capacity of 2MB SPI flash and a USB Type-C port for power and data, this device offers convenience and versatility. Additionally, the ANAVI Handle provides useful features such as a reset button, boot button, and LED indicators.

An essential aspect of the ANAVI Handle is its commitment to open-source hardware. The KiCad hardware design files and CircuitPython firmware are readily available on GitHub, along with detailed documentation. The firmware currently supports three modes: mouse, joystick/gamepad, and keyboard, making it ideal for a range of applications, including retro gaming.

To demonstrate its capabilities, ANAVI has shared a video showcasing the ANAVI Handle in action. Users can witness the seamless integration of the Wii Nunchuck as it interacts with different hardware devices.

While other Wii Nunchuck USB adapters exist in the market, such as the Raphnet Classic controller to USB adapter – V3 and Ivy-Nunchuck-Joystick-Adapter, the ANAVI Handle stands out as a notable solution. It offers the best of both worlds, combining the advantages of open-source hardware and accessibility for purchase.

ANAVI has launched a crowdfunding campaign for the ANAVI Handle on Crowd Supply, with a modest funding target of $1. Backers can choose from various reward options, starting at $19 for the ANAVI Handle with an acrylic enclosure, screws, and nuts. Additionally, a $26 kit is available, including a black or white Nunchuck controller. Shipping is available worldwide, with estimated deliveries scheduled to begin in mid-July 2024. This remarkable device is set to revolutionize the way Wii Nunchuck users interact with their favorite hardware platforms.

Additional facts:
– The ANAVI Handle is a DIY project that requires some soldering and assembly.
– The device is compatible with popular operating systems such as Windows, Linux, and macOS.
– The ANAVI Handle has an open-source API and can be customized or extended by developers.
– The Seeed Studio XIAO RP2040 module used in the ANAVI Handle is a compact and powerful microcontroller board.
– The ANAVI Handle is designed to be user-friendly, with straightforward installation and configuration processes.

Key questions and answers:
1. What is the ANAVI Handle?
Answer: The ANAVI Handle is an innovative open-source hardware project that allows users to convert their Nintendo Wii Nunchuck into a USB controller.

2. What hardware devices can the ANAVI Handle be used with?
Answer: The ANAVI Handle is compatible with computers, laptops, single board computers, and retro gaming consoles.

3. What are the specifications of the ANAVI Handle?
Answer: The ANAVI Handle features the Seeed Studio XIAO RP2040 module, a dual-core Cortex-M0 processor, 264kB RAM, and a 2MB SPI flash storage. It also has a USB Type-C port and various buttons and LED indicators.

Key challenges or controversies associated with the topic:
The main challenge associated with the ANAVI Handle is its DIY nature. Users who are not familiar with soldering and assembly may find it difficult to build the device.

Advantages:
– The ANAVI Handle allows users to repurpose their Wii Nunchuck and expand its compatibility.
– It is an open-source hardware project, offering transparency and customization options.
– The ANAVI Handle has versatile firmware modes, making it suitable for different applications.
– It offers convenience and ease of use with its USB connectivity and user-friendly design.

Disadvantages:
– The ANAVI Handle requires some technical skills for assembly and configuration.
– The device may not be suitable for users who do not own a Wii Nunchuck.
– Availability may be limited as it is a crowdfunded project.