LILYGO T3 S3 E-Paper
LILYGO T3 S3 E-Paper is an ESP32-S3 LoRa development board with a 2.13-inch 250×122 e-paper display (DEPG0213BN), 4MB flash, 2MB PSRAM, WiFi, BLE 5, SX1262 LoRa transceiver, and LiPo battery support.
$23.61
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Specifications
Components
Espressif ESP32-S3FH4R2 dual-core Xtensa LX7 MCU with 4MB flash, 2MB PSRAM, WiFi 802.11 b/g/n, and Bluetooth 5 LE.
Semtech SX1262 sub-GHz LoRa radio transceiver supporting 868MHz and 915MHz bands with up to +22dBm output.
Good Display DEPG0213BN 2.13-inch black-and-white e-paper display module with 250×122 pixel resolution.
Bus Interfaces
Overview
The LILYGO T3 S3 E-Paper combines the ESP32-S3FH4R2 microcontroller with an SX1262 LoRa radio and a 2.13-inch DEPG0213BN e-paper display (250×122 pixels). It is designed for long-range IoT sensor nodes that require a local status display without continuous power draw. The board runs on USB or a 3.7V LiPo battery with an onboard power switch, supports TF card storage, and exposes reset and boot buttons. Three frequency variants are available: 868MHz, 915MHz (both with SX1262 LoRa), and a 2.4GHz variant without a PA stage. Compatible with Arduino IDE, ESPHome, and Meshtastic firmware. Suitable for field data logging, environmental monitoring, and off-grid LoRa mesh applications.
Use Cases
6IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
LoRa Mesh Networking
Building off-grid mesh communication networks using LoRa radio for text messaging, location sharing, and sensor data relay without cellular or internet infrastructure.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Field Data Logger
Battery-powered device for recording sensor data, GPS coordinates, and environmental measurements in the field.
Weather Display
A dedicated screen that shows weather information including current conditions, temperature, humidity, pressure, and multi-day forecasts.
Off-Grid Communication
Text messaging and data exchange in areas without cellular or internet coverage.
Where to Buy
Available Software
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