HELTEC Wireless Paper ESP32S3 SX1262 E-paper Meshtastic LoRaWAN 868Mhz

HELTEC Wireless Paper ESP32S3 SX1262 E-paper Meshtastic LoRaWAN 868Mhz is a compact and energy-efficient E-Ink development kit built around the ESP32-S3FN8 microcontroller and the SX1262 LoRa transceivermaking it a versatile option for Meshtastic-based projects, IoT displays, and low-power wireless solutions. Featuring a 2.13-inch black-and-white E-Ink screen (250122 pixels), it offers up to 180 days of static display without power, drawing just 20A in deep sleep.

With built-in Wi-Fi, Bluetooth 5 (BLE), and LoRaWAN 868MHz support, its ideal for applications like electronic name tags, asset trackers, or lightweight Meshtastic display nodes. Developers can easily drive E-Ink panels of various sizes and update images with drag-and-drop BMP file refresh. The USB Type-C interface ensures fast firmware flashing, power delivery, and debugging, while the included acrylic cover adds durability for field deployments.

This lightweight, all-in-one LoRa E-Ink kit is perfect for creators building low-bandwidth, off-grid visual interfaces in a Meshtastic LoRaWAN environment.

Features of HELTEC Wireless Paper

• ESP32-S3FN8 + SX1262 chipset supports Wi-Fi, BLE, and LoRa connectivity
• 250122 px black-and-white E-Ink display (default), also compatible with other E-Ink screen sizes
• High contrast, high reflectivity, and ultra-wide viewing angle
• Ultra-low power consumption: only 20A in deep sleep mode
• Built-in display refresh engine, drag & drop BMP image support for quick updates
• Operating range: 0~50C, 35~70% RH
• Onboard USBUART bridge for easy firmware flashing and secondary development

Specifications of HELTEC Wireless Paper

High light

USB Type C

The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C interface, making development work more convenient.

E-Ink Display

The integrated E-Ink display can be used to show some information such as system status and parameters, making it convenient for users to directly use the entire development board for their own product design.

Acrylic protective plate

Transparent acrylic protection plateprovide basic protection for the development board.

FAQ

What is E ink price tag?

E Ink price tag is a digital price tag very suitable for retail environments. It is simple to operate and more convenient to use. Compared with ordinary paper price tags, it enables faster price updates and can save a lot of human resources. Ideal for smart shelves, electronic signage, and IoT retail displays.

Does it have WiFi functionality?

Yes. Built-in Wi-Fi and Bluetooth Low Energy (BLE) make it suitable for wireless E-Ink display applications.

How to use it?

You can refer to the Quickstart Guide for setup instructions. Compatible with ESP32-S3 and Heltec Wireless Paper series.

Docs & Resource

• [Resource] Heltec ESP32 framework and lib installation
• [Resource] Hardware Update Logs
• [Resource] Datasheet
• [Resource] Schematic Diagram
• [Resource] E-Ink Display Datasheet
• [Resource] User Manual Document
• [Resource] Heltec LoRaWAN test server based on SnapEmu

Packing List

The default packing list without selecting any accessories is as follows: