Heltec Meshtastic ESP32 Wireless Paper Eink Display Smart Price Tag Electronic Shelf Label via Bluebooth SX1262 LoRa and WiFi
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Specifications
- Brand Name
- DIYmalls
- Origin
- Mainland China
- High-concerned chemical
- None
- Condition
- New
- Type
- Module
- 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
- 23.705x48.55
- Pixel Pitch
- 0.1942x0.1942
- Pixel Configuration
- Square
Product Description
LoRa ESP32 Wi-Fi + BLE Wireless Paper with 2.13-inch E-Ink Display ESP32-S3FN8 SX1262 Development Kit for Arduino Meshtastic LoRaWA
Summary
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 Blue-tooth, 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.
Main Features:
- 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.
Package includes:
1 X LoRa ESP32 Wi-Fi + BLE Wireless Paper Development Kit
How to use it?
//docs.heltec.cn/en/node/esp32/wireless_paper/index.html
Pros & Cons
Pros
- Multiple wireless connectivity options: LoRa, Wi-Fi, and BLE for versatile project use
- Low-power e-paper display that retains screen content without continuous power
- Compact 2.13-inch size with clear square-pixel display for sharp text and images
- Dual power options via USB Type-C or lithium battery for portable use
Cons
- Only available in a single 2.13-inch display size with no other size options
- Requires custom Arduino programming for setup, which may be challenging for beginner users
- Limited LoRa frequency bands (470-510MHz, 863-928MHz) that may not match local regulations
- Third-party DIY brand with limited official customer support
Common Questions
What wireless connectivity options does this device support?
It supports Wi-Fi, LoRa (SX1262 chipset), and Bluetooth Low Energy for multiple communication methods.
What are the display specs for this e-paper device?
It has a 2.13-inch e-paper display with a resolution of 122(H)x250(V) pixels.
How can this device be powered?
It can be powered via a lithium battery or USB Type-C connection, with a supply voltage range of 3~5v.
What is this device designed for?
It is a Meshtastic-compatible development kit, suitable for electronic shelf labels, smart price tags, and custom LoRa/Wi-Fi/BLE wireless projects.
What temperature and humidity ranges does this device operate in?
It operates at temperatures between 0~50℃ and humidity levels of 35~70%.
Product information last updated on November 21, 2025