The same silicon recipe behind most of the Meshtastic mesh network now comes as a wristband. LILYGO has listed the T-Impulse Plus, a wearable development board that pairs a Nordic nRF52840 with a Semtech SX1262 LoRa transceiver, the exact pairing used across the open-source long-range networking ecosystem. The nRF52840 contributes a 64MHz Arm Cortex-M4F core, 1MB of flash, and 256kB of RAM, along with Bluetooth 5, Thread, and Zigbee radios and UART, SPI, TWI, PDM, I2S, and QSPI interfaces.

The SX1262 handles the long-range link, with LILYGO listing coverage for the 400 to 520MHz and 830 to 945MHz ranges and shipping options for the 868MHz and 915MHz bands. Location comes from a u-blox MIA-M10Q module that tracks GPS, GLONASS, BeiDou, and QZSS, while an ICM20948 IMU provides motion sensing. User interaction runs through a TTP223 capacitive touch button, a vibration motor, and a 0.49-inch (1.2 cm) OLED driven by an SSD1315 controller over I2C at a 64 x 32 resolution.

The component set lines up closely with the LILYGO T-Echo, one of the more common nRF52840-based nodes on the Meshtastic supported hardware list, which makes the T-Impulse Plus an interesting candidate for builders who want a self-contained, wrist-worn mesh radio. LILYGO targets the board at the open toolchains that ecosystem already relies on: development is supported through the Arduino IDE using Adafruit's nRF52 board support and through PlatformIO with the nordicnrf52 platform.

The GitHub repository ships example projects for most of the hardware, including battery measurement, BLE UART, display control, GPS and full GPS display demos, I2C scanning, ICM20948 operation, flash tests, SX126x PingPong, continuous-wave LoRa transmission, SGM41562 power control, TTP223 touch input, and factory test firmware. Power management is built around the SGM41562 charging IC with USB charging rated at 5V/500mA, and LILYGO measures deep-sleep draw between 10μA and 40μA on engineering boards, with shutdown consumption below 1μA.

The T-Impulse Plus is listed at $46 (€42), with 868MHz and 915MHz frequency variants shown on the product page.