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.
Main Features
- LoRa band 902-928 Mhz
- 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.
Specifications
| Parameters | Description |
|---|---|
| MCU | ESP32-S3FN8 |
| LoRa Chipset | SX1262 |
| Frequency | 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 |
Product Inclusion
- x1 – Heltec Wireless Paper v1.1 Pre-flashed with Meshtastic
- x1 – SMA Male Glue Rod Antenna
- x1 – SMA Female to IPEX Pigtail
- x1 – SH1.25×2 Battery Connector
- x1 – Acrylic Protection Board
Documentation & Resources
- [Resource] — Heltec ESP(ESP32&ESP8266) framework
- [Resource] —Hardware Update Logs
- [Resource] —Heltec LoRaWAN test server based on TTS V3
- [Resource] —User Manual Document
RAK LILYGO Heltec & Developer Board Warranty Policy – Rokland
Dev board return policy
Development boards are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective boards can be replaced or returned for refund within 30 days of purchase. Non-defective boards can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the board has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.
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