Is it Possible to Add a Gyroscope Sensor to an Android Smartphone?

Adding a gyroscope sensor to an existing Android smartphone is a complex task that is generally impractical for most users. Here’s why:

Hardware Integration

Gyroscopes are integrated into the smartphone’s motherboard during manufacturing. They require specific connections and calibration that are not accessible or modifiable by users. This means that, without significant modifications to the device’s hardware, it is not feasible to integrate an additional gyroscope.

Software Support

Even if you were able to physically add a gyroscope, the software, both the Android operating system and any apps that rely on gyroscopic data, would need to recognize and utilize the new sensor. This would require custom firmware and extensive programming knowledge, which is not achievable for the average user.

Alternatives

Instead of trying to integrate a gyroscope, consider using external devices like motion controllers or VR headsets that come with their own sensors. Some smartphones already have built-in sensors, such as accelerometers, that can serve similar functions in certain applications. For example, the Samsung S7 has a built-in gyroscope that can be tested using a sensor test app.

For more advanced applications, such as augmented reality (AR) or virtual reality (VR), you might consider using external gyroscopes. These gyroscopes can be paired with your Android device via Bluetooth or USB cable.

Adding an External Gyroscope

To add an external gyroscope, you will need to purchase a specific module. These modules are often called inclinometers and they measure angles. For Android devices, it is recommended to use modules that support Bluetooth, such as the WitMotion brand. Models like the BWT901CL / WT901BLECL / BWT61CL are suitable options.

Here’s what you should look for when purchasing an external gyroscope module:

Brand: WitMotion Model: Starts with BWT (bluetooth 2.0, UART port) or WT (6 or 9 axis) Revision: Higher numbers indicate a newer model Ending: CL (boxed with battery) or BLECL (bluetooth 4.0, USB port, boxed with battery)

It is important to note that WT does not necessarily mean the module is wireless. Ensure it has either of the two Bluetooth codes mentioned (2.0 or 4.0).

Installation Process

To use the external gyroscope, follow these steps:

Purchase the gyroscope. These modules are not widely available, but you can find them on e-commerce platforms like Aliexpress or Bangood. Spin up the gyroscope. Use a string to spin the module to ensure it is calibrated properly. Connect the gyroscope to your Android device. Devices can connect via Bluetooth or USB cable. Test the gyroscope. Download a sensor test app on your Android device to verify that the gyroscope is working correctly.

A 6-axis gyroscope should suffice for AR applications, but for VR experiences, it is recommended to use a 9-axis gyroscope as it includes an accelerometer for knowing which way is down (gravity) and a magnetic field sensor for compass functionalities.

In conclusion, while it is theoretically possible to add a gyroscope sensor to an Android smartphone, it is impractical and not recommended for most users without significant technical knowledge and resources. For users with critical needs for gyroscopic functionality, upgrading to a smartphone that already includes a gyroscope, or using external devices, may be a more practical solution.