The LILYGO Mini E-Paper Shield is a dedicated 2.4GHz wireless expansion board designed for the Mini E-Paper series. It integrates the nRF24L01 transceiver, supporting global 2.4GHz ISM band communication for short-range wireless networking. The module features a 180° rotatable back antenna and is ideal for low-power display communication, wireless sensor systems, and distributed e-paper control setups. Key Features nRF24L01 wireless transceiver (2.4GHz ISM band) Compatible with Mini E-Paper core board 180° adjustable antenna design for optimized signal orientation Supports SPI communication (MISO, MOSI, CS, CE, SCK, IRQ) I2C interface for Qwiic / STEMMA QT compatibility (JST-SH 1.0mm 4-pin) Built-in 100mAh 3.7V lithium battery (Model: 350829) Compact and easy to integrate into e-paper enclosures Technical Specifications Parameter Details Transceiver nRF24L01 Frequency Band 2.4GHz ISM Interface SPI, I2C Battery Model 350829 Battery Capacity 100mAh Battery Voltage 3.7V Antenna Adjustment 180° Rotatable Back Antenna Connector Support JST-SH 1.0mm Qwiic / STEMMA QT Pin Configuration SPI Pins (nRF24L01): MISO: IO38 MOSI: IO23 IRQ: IO37 SCK: IO26 CS: IO12 CE: IO11 I2C Pins: SDA: IO18 SCL: IO33 Power Pins: 3.3V, GND Package Contents 1 × Mini E-Paper 2.4G Shield 4 × Mounting Screws Application Scenarios Wireless e-paper control systems Low-power sensor networks Distributed display communication Portable, battery-powered e-ink modules References https://github.com/Xinyuan-LilyGO/LilyGo-T5-Epaper-Series/tree/master/examples/GxEPD_nRF2401_RelayCtrl_1.02_Exapmle https://github.com/Xinyuan-LilyGO/LilyGo-T5-Epaper-Series/tree/master/examples/GxEPD_nRF2401_Sensor_1.02_Exapmle
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