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+---
+title: "HOWTO - ANAVI Handle"
+date: "2024-10-12"
+---
+
+## Introduction
+
+Following up to [a thread on X](https://x.com/leonanavi/status/1834916587679498323) we tried to use a [ANAVI Handle](https://www.crowdsupply.com/anavi-technology/anavi-handle) to interact and control [FREISA](https://github.com/B-AROL-O/FREISA).
+
+## Reference Documents
+
+- [ANAVI Handle on CrowdSupply](https://www.crowdsupply.com/anavi-technology/anavi-handle)
+- [ANAVI Handle Assembly Guide for Open Source Nunchuk to USB Adapter](https://www.youtube.com/watch?v=ZAnON53XiUk) - Leon Anavi on YouTube, 2024-05-22
+- [GitHub: AnaviTechnology/anavi-handle](https://github.com/AnaviTechnology/anavi-handle)
+- [GitHub: AnaviTechnology/anavi-handle-sw](https://github.com/AnaviTechnology/anavi-handle-sw)
+- [Seeed Studio XIAO RP2040](https://www.seeedstudio.com/XIAO-RP2040-v1-0-p-5026.html) - Supports Arduino, MicroPython and CircuitPython
+
+## Assembling and testing ANAVI Handle
+
+ANAVI Handle is an open source hardware USB-C adapter with [XIAO RP2040](https://www.seeedstudio.com/XIAO-RP2040-v1-0-p-5026.html) for [Nunchuk compatible controllers](https://en.wikipedia.org/wiki/Wii_Remote#Nunchuk). It allows you to connect Nunchuk controller to a personal computer and use it as USB device (HID): mouse, keyboard or joystick/gamepad.
+
+This chapter provides step by step instructions how to assemble ANAVI Handle.
+
+### ANAVI Handle Assembly Guide
+
+Follow [this video on YouTube](https://www.youtube.com/watch?v=ZAnON53XiUk)
+
+[![ANAVI Handle Assembly Guide for Open Source Nunchuk to USB Adapter](https://img.youtube.com/vi/ZAnON53XiUk/0.jpg)](https://www.youtube.com/watch?v=ZAnON53XiUk "ANAVI Handle Assembly Guide for Open Source Nunchuk to USB Adapter")
+
+ANAVI Handle comes as a do-it-yourself kit in a very simple packaging.
+
+The kit contains the Printed Circuit Board, Acrylic Enclosures, nuts and screws.
+Furthermore, there are additional kits that provide a compatible [Nunchuk controller](https://en.wikipedia.org/wiki/Wii_Remote#Nunchuk), either in black or white colors.
+
+#### Step 1: Peel Off Protective Films
+
+Step number 1 is to peel off the protective films from both sides of the Acrylic Enclosures.
+
+#### Step 2: Top Acrylic Enclosure
+
+ANAVI Handle comes with:
+
+- 4x M2.5 10mm screws
+- 8x M2.5 nuts
+
+Take the Top Acrylic Enclosure which has a notch for the Nintendo Nunchuk controller.
+
+Place the four screws in the dedicated mounting holes, and fasten them with the four nuts.
+You can even do it without a screwdriver, you can do it with your bare hands.
+The process is super-simple and straightforward.
+
+#### Step 3: PCB
+
+Take the Printed Circuit Board and insert the Top Acrylic Enclosure with the screws and the nuts in the mounting holes of the PCB.
+
+As a result, the PCB of the ANAVI Handle will be below the four nuts.
+
+#### Step 4: Bottom Acrylic Enclosure
+
+Take the Bottom Acrylic Enclosure, place it below the Printed Circuit Board, and fasten it with four nuts.
+
+As you can see in the video you can do it with your bare hands.
+Of course, if you use a screwdriver, it might be slightly easier.
+
+By the end of this step, you have your ANAVI Handle fully assembled.
+
+#### Step 5: Nunchuk
+
+Step number 5 is to a plug a Nunchuk or a compatible controller into the ANAVI Handle and to connect it to a computer using a USB-C cable.
+
+A green light will indicate that the connection to the computer and the controller is successful.
+
+### ANAVI Handle Demo
+
+ANAVI Handle is an entirely Open Source that combines an Open Source Hardware Printed Circuit Board with free and Open Source firmware written in [CircuitPython](https://circuitpython.org/).
+The source code is [available at GitHub](https://github.com/AnaviTechnology/anavi-handle-sw).
+
+The default open-source firmware uses an RGB LED to indicate the connection status:
+
+- Green light: Nunchuk controller is connected correctly.
+- Blue light: The Nunchuk controller is disconnected from the ANAVI Handle.
+- Red light: The Nunchuk controller is absent or improperly connected.
+
+A green LED confirms a successful connection between the Nunchuk, the ANAVI Handle, and your computer.
+
+## Using ANAVI Handle to control FREISA Robot Dog
+
+To be continued...
+
+<!-- EOF -->