The Wireless Paper is a sleek, energy‑optimized development board that merges the ESP32‑S3FN8 microcontroller with the SX1262 LoRa transceiver, delivering a powerful foundation for Meshtastic nodes, IoT dashboards, and off‑grid wireless projects. At its core is a 2.13‑inch monochrome E‑Ink display (250 × 122 pixels) that holds static images for up to six months without consuming power. In deep sleep, the board draws only 20 µA, making it a perfect fit for long‑life, battery‑driven applications. With Wi‑Fi, Bluetooth, and LoRa built in, this compact kit adapts to a wide range of use cases—from smart name badges and asset trackers to lightweight field displays. Developers will appreciate the drag‑and‑drop BMP refresh function, which makes updating graphics effortless. A USB Type‑C port provides fast firmware flashing, reliable power delivery, and straightforward debugging. For added resilience, the kit includes a protective acrylic cover, ensuring durability in real‑world deployments. Whether you’re building low‑bandwidth communication tools or visual interfaces for LoRaWAN environments, Wireless Paper offers a ready‑to‑deploy, all‑in‑one solution. Key Features ESP32‑S3FN8 + SX1262: Combines Wi‑Fi, BLE, and LoRa connectivity in one platform. 2.13" E‑Ink Display: Crisp 250 × 122 px resolution with support for other panel sizes. Exceptional Readability: High contrast, reflective surface, and wide viewing angles. Ultra‑Efficient Power Use: Only 20 µA in deep sleep mode. Simple Image Updates: Drag‑and‑drop BMP refresh engine. Durable Design: Operates reliably from 0–50 °C and 35–70% RH. USB‑UART Bridge: Streamlines flashing and secondary development. Technical Specifications Parameter Description MCU ESP32‑S3FN8 LoRa Chipset SX1262 Frequency Bands 470–510 MHz, 863–928 MHz Power Supply Lithium battery / USB Type‑C Voltage Range 3–5 V Operating Temp 0–50 °C Operating Humidity 35–70% RH Display Resolution 122 × 250 pixels Screen Size 2.13 inches Active Area 23.705 × 48.55 mm Pixel Pitch 0.1942 × 0.1942 mm Pixel Shape Square Connectivity Wi‑Fi, LoRa, BLE 👉 In short: Wireless Paper is a lightweight, durable, and developer‑friendly LoRa E‑Ink kit designed for anyone building low‑power, off‑grid visual communication tools. USB Type-C A single USB Type‑C port handles power delivery, firmware flashing, and debugging, streamlining the entire development process. This universal connector not only simplifies setup but also ensures faster, more reliable performance for both prototyping and long‑term use. E-Ink Display The built‑in E‑Ink screen delivers clear, high‑contrast visuals for essential data such as system status, parameters, and alerts. Its low‑power design makes it easy to integrate into custom hardware, allowing developers to embed reliable, always‑visible information directly into their product designs. Acrylic Protective Plate A transparent acrylic protective plate provides fundamental safeguarding for the development board, enhancing its durability. FAQ What is an E‑Ink price tag? An E‑Ink price tag is a modern display solution designed for retail. Unlike traditional paper tags, it enables instant price updates, reduces manual labor, and improves overall efficiency. Its simple operation and long‑lasting visibility make it an ideal choice for dynamic store environments. Does it support Wi‑Fi? Yes. The device comes with built‑in Wi‑Fi connectivity, making it easy to integrate into existing networks and update content wirelessly. How to use it? You can refer to the Quickstart Guide for detailed instructions. Docs & Resources [Resource] — Heltec ESP32 framework and library installation [Resource] — Hardware Update Logs [Resource] — Datasheet [Resource] — Schematic Diagram [Resource] — E-Ink Datasheet [Resource] — User Manual Document [Resource] — Heltec LoRaWAN test server based on SnapEmu Packing List The standard package, without any optional add‑ons, includes: Item Quantity Wireless Paper x1 LoRa Antenna x1 Acrylic Protection Board x1 SH1.25 x 2 Battery Connector x1
Related
Related
Related
Related