SensWear – An open-source modular Nordic nRF54L15 development platform for wearables

SensWear is an open-source hardware development platform for wearables based on Nordic nRF54L15 Bluetooth LE SoC and a range of sensors designed for researchers, developers, and companies building smart rings, wristbands, patches, and other custom devices. The solution is mainly comprised of flexible boards, including the SensWear core board with an nRF54L15 MCU and a 6-axis IMU sensor, and daughter boards with either PPG and optical sensing, temperature sensing, capacitive touch sensing, or haptic feedback. SensWear key features and specifications: Core mainboard SoC – Nordic Semi nRF54L15 CPU Arm Cortex-M33 @ up to 128 MHz RISC-V coprocessor for “software-defined peripheral” Memory – 256 KB SRAM Storage – 1.5MB Non-volatile Memory (NVM) Wireless Bluetooth LE 6.0 Thread, Zigbee (IEEE 802.15.4-2020) Matter Amazon Sidewalk Proprietary 2.4 GHz protocols with a new 4 Mbps mode NFC support Sensors Bosch BHI360 six-axis smart IMU and sensor hub Standardized interface for interchangeable daughter boards I2C and

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