Wireless Stick V3 is a compact, high-performance IoT development board, designed as an enhanced version of the WiFi LoRa 32 to meet the demands for smaller size and better RF characteristics. Equipped with the ESP32-S3FN8 dual-core processor and SX1262 LoRa chip, it offers Wi-Fi, Bluetooth 5 (LE), and LoRaWAN protocol connectivity, making it ideal for smart devices, automation, and remote sensing. Key features include a 0.49-inch OLED display for real-time data, a Type-C USB interface for seamless power, debugging, and programming, and an integrated battery management system supporting 3.7V lithium batteries. With its low-power design, Arduino compatibility, and excellent expandability, this board is a versatile choice for developers and makers seeking compact yet robust solutions for IoT projects. Main Features Microprocessor: ESP32-S3FN8 (Xtensa 32-bit LX7 dual core processor, five stage pipeline rack Structure, main frequency up to 240 MHz). SX1262 LoRa node chip. Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures. Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching). Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use. Onboard 0.49-inch 64*32 dot matrix OLED display, which can be used to display debugging information, battery power, and other information. Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing. Support the Arduino development environment. We provide ESP32 + LoRaWAN protocol Arduino library, this is a standard LoRaWAN protocol that can communicate with any LoRa gateway running the LoRaWAN protocol. In order to make this code running, a unique license is needed. With good RF circuit design and low-power design. Specifications Parameters Description Master Chip ESP32-S3FN8 (Xtensa32-bit lx7 dual core processor) LoRa Node Chip SX1262 USB to Serial Chip CP2102 Frequency 470~510MHz,863~928MHz Max. TX Power 21 ± 1 dBm Max. Receiving Sensitivity -134dBm Wi-Fi 802.11 b/g/n, up to 150Mbps Bluetooth Bluetooth LE: Bluetooth 5, Bluetooth mesh Hardware Resource 7*ADC1 + 2*ADC2;7*Touch;3*UART;2*I2C;2*SPI; etc. Display 0.49-inch OLED Memory 384KB ROM; 512KB SRAM;16KB RTC SRAM; 8MB SiP Flash Battery 3.7V lithium battery power supply and charging Operating temperature -20 ~ 70 ℃ Dimensions 58.08 * 22.6* 8.2 mm Interface Type-C USB;2*1.25 lithium battery interface;LoRa ANT(IPEX1.0);2*17*2.54 Header Pin Description Pin Map High light USB Type C The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C interface, making development work more convenient. Arduino-Compatible We have done a lot of migration and development, made it perfectly support Arduino, can run the LoRaWAN protocol stably. Onboard OLED Display The integrated OLED display can be used to show some information such as system status and parameters, making it convenient for users to directly use the entire development board for their own product design. FAQ Is wireless stick V3 compatible with V2 code? If you want to use the new ESP32-S3 processor and the SX1262 LoRa chip, you may need to use new libraries that support them. You should check that the libraries you are using are compatible with these new components. As far as my experience with the Wireless Stick Lite is concerned, the only library I had to change when switching from V1 to V3 was the LoRa library. The Sandeep Mistry LoRa library that I used earlier doesn’t work with the new SX1262 LoRa chip. To make my code work with the V3, I had to migrate to the Heltec LoRaWan Meshtastick firmware for Wireless Stick Due to the small screen of the board, it does not support Meshtastick’s screen display at present. You can download the firmware of the Wireless Stick Lite directly. How can LoRa be useful in your home automation projects? Imagine that you want to measure the moisture in your field. Although, it is not far from your house, it probably doesn’t have Wi-Fi coverage. So, you can build a sensor node with an ESP32 and a moisture sensor, that sends the moisture readings once or twice a day to another ESP32 using LoRa.The later ESP32 has access to Wi-Fi, and it can run a web server that displays the moisture readings.This is just an example that illustrates how you can use the LoRa technology in your ESP32 projects. Docs & Resource [Resource] — Heltec ESP32 framework and lib installation [Resource] —Hardware Update Logs [Resource] —Datasheet [Resource] —Schematic_Diagram [Resource] —User Manual Document [Resource] —Heltec LoRaWAN test server based on SnapEmu Packing list The default packing list without selecting any accessories is as follows: Item Quantity Wireless Stick x1 Glue Rod Antenna x1 SH1.25×2 Battery Connector x1 Pin Map Sticker x1 Recommended Articles Heltec ESP32 LoRa v3 Heltec v3 case for Meshtastic
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