HMD releases Fusion mobile phone development documents: back pogo pin contacts support modular third-party accessories

On March 8, HMD announced the Fusion mobile phone at MWC 2024. The project aims to become an innovative platform that allows third parties to add various "smart outfit" modular hardware to support a wide range of applications. Now HMD has released Fusion development documentation.

The document shows that the overall body of HMD Fusion is 76mm wide, 164mm long, and 8.9mm thick. It is equipped with 6 pogo pin metal contacts on the back. points, the first 5 of which implement USB 2.0 support, and the latter one provides ADC analog-to-digital conversion. According to previous reports, Samsung also equipped the Galaxy XCover 6 Pro rugged phone with pogo contacts, but it was only used as an alternative charging interface. HMD confirms that both Fusion phones and modular hardware can be used as hosts over a USB connection and recommends using standard APIs for interaction. On the other hand, HMD said that the ADC analog-to-digital conversion contacts provide a total of 18 optional values ​​that can be monitored from the Android application layer to enable simple use cases such as changing wallpapers. In terms of power supply, HMD Fusion and modular hardware can provide two-way power supply: in power supply mode, Fusion can provide up to 5W of power to the outside; while in charging mode, the "smart outfit" can provide 15W charging for mobile phones, which means that it can Create a modular power bank casing.

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