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

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Product Link

HELTEC Wireless Paper ESP32S3 SX1262 E-paper Meshtastic LoRaWAN 868MhzOpenELAB Technology Ltd.

Description

Wireless Paper is an E-Ink development kit with multiple wireless drive methods. Collaborate with the sample programs and development tools we provide, users can operate the display via Bluetooth, Wi-Fi and LoRa.

This board is equipped with a default 2.13-inch black and white E-Ink display screen, continuous display for 180 days after power outage. It can be used to develop applications such as electronic tags and identity tags.

Feature

• ESP32-S3FN8 + SX1262 Chipset, device can be driven via Wi-Fi, BLE and LoRa;

• Default 250 x 122 pixels black-white display, it can also be used to drive E-Ink screens of other sizes;

• High contrast, high reflectance, ultra-wide viewing angle;

• Low power consumption, 20uA in deep sleep;

• Internal integrated display screen refresh page function, users can drag and drop BMP images to achieve refresh;

• Operation condition: 0~50℃, 35~70%RH;

• Onboard USB-UART bridge, facilitate user secondary development.

Specification

Parameters	Description
MCU	ESP32-S3FN8
LoRa Chipset	SX1262
Frequency	470~510MHz, 863~928MHz
Power Supply	lithium battery, USB Type-C
Supply Voltage	3~5v
Operating Temperature	0~50℃
Operating Humidity	35~70%
Display Resolution	122(H)x250(V) Pixel
Connection Method	Wi-Fi, LoRa,BLE
Screen Size	2.13 Inch
Active Area	23.705×48.55
Pixel Pitch	0.1942X0.1942
Pixel Configuration	Square

USB Type C

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

Acrylic protective plate

E-Ink Display

Resource

• Heltec ESP32 framework and lib installation

• Hardware Update Logs

• Datasheet

• Schematic_Diagram

• E-Ink Datasheet

• User Manual Document

• Heltec LoRaWAN test server based on SnapEmu

FAQ

1

What is E ink price tag?

E Ink price tag is a price tag that is very suitable for retail. It is simple to operate and more convenient to use. Compared with ordinary paper price tags, it is faster to change prices and can save a lot of human resources.

2

Does it have WiFi functionality?

Yes.

3

How to use it?

You can refer to the Quickstart.