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
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nRF24L01 wireless transceiver (2.4GHz ISM band)
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Compatible with Mini E-Paper core board
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180° adjustable antenna design for optimized signal orientation
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Supports SPI communication (MISO, MOSI, CS, CE, SCK, IRQ)
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I2C interface for Qwiic / STEMMA QT compatibility (JST-SH 1.0mm 4-pin)
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Built-in 100mAh 3.7V lithium battery (Model: 350829)
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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
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SPI Pins (nRF24L01):
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MISO: IO38
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MOSI: IO23
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IRQ: IO37
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SCK: IO26
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CS: IO12
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CE: IO11
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I2C Pins:
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SDA: IO18
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SCL: IO33
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Power Pins:
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3.3V, GND
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Package Contents
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1 × Mini E-Paper 2.4G Shield
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4 × Mounting Screws
Application Scenarios
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Wireless e-paper control systems
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Low-power sensor networks
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Distributed display communication
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Portable, battery-powered e-ink modules