added heltec wireless paper

_board/heltec_wireless_paper.md

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+---
+layout: download
+board_id: "heltec_wireless_paper"
+title: "Heltec Wireless Paper"
+name: "Heltec Wireless Paper"
+manufacturer: "Heltec Automation"
+board_url:
+ - "https://heltec.org/project/wireless-paper/"
+board_image: "heltec_wireless_paper.jpg"
+date_added: 2024-11-25
+family: esp32s3
+features:
+  - Bluetooth/BTLE
+  - Battery Charging
+  - Display
+  - LoRa/Radio
+  - USB-C
+  - Wi-Fi
+---
+
+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.
+
+## Technical Details
+- 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.
+- With good RF circuit design and low-power design.
+
+## Specifications
+- 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
+
+## Purchase
+
+* [Heltec Automation Store](https://heltec.org/project/wireless-paper/)