Heltec Automation Automation Wireless Stick Lite ESP32-S3 SX1262 LoRa Node (863-928MHz)
Heltec Automation Automation Wireless Stick Lite ESP32-S3 SX1262 LoRa Node (863-928MHz) - Image 2
Heltec Automation Automation Wireless Stick Lite ESP32-S3 SX1262 LoRa Node (863-928MHz) - Image 3
Heltec Automation Automation Wireless Stick Lite ESP32-S3 SX1262 LoRa Node (863-928MHz) - Image 4
SKU: IOWC-1812
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Heltec Automation Automation Wireless Stick Lite ESP32-S3 SX1262 LoRa Node (863-928MHz)

₹2,209.00 (Inclusive of all taxes)
Out of Stock

The Heltec Automation Wireless Stick Lite is a compact ESP32-S3 development board integrating Wi-Fi, Bluetooth LE 5.1, and a Semtech SX1262 LoRa transceiver for 863-928MHz ISM bands. Fully compatible with Arduino IDE and Meshtastic firmware, it’s designed for low-power IoT node prototyping with integrated battery management.

Features

  • Triple-radio SoC combines ESP32-S3FN8 (240MHz dual-core) with SX1262 LoRa chip for Wi-Fi, BLE, and long-range LoRa connectivity.
  • Optimized for low-power IoT with integrated LiPo management (charge/discharge, auto-switching) and sleep currents down to ≤800µA.
  • Dedicated antenna interfaces: onboard 2.4GHz spring antenna for Wi-Fi/BLE & IPEX connector for external LoRa antenna (included).
  • Full Arduino IDE support with CP2102 USB-serial chip for easy programming and debugging via robust Type-C interface.
  • Compact stick form-factor (58.1 x 22.6mm) with extended 2×20 GPIO header pins for sensor and peripheral integration.

Out of stock

Description

The Heltec Automation Wireless Stick Lite (HTIT-WSL) is a purpose-built wireless development module centered on the Espressif ESP32-S3FN8 microcontroller and Semtech SX1262 LoRa transceiver. This board provides a streamlined platform for developers creating battery-operated IoT endpoints that require a blend of local network connectivity via 2.4GHz Wi-Fi/Bluetooth and long-range, low-data-rate communication using the 863-928MHz LoRa spectrum.

Its architecture emphasizes real-world deployment, featuring robust RF circuit design with shielding, ESD protection, and separate optimized antenna paths. The integrated power management system handles 3.7V LiPo batteries, providing overcharge protection, power detection, and seamless automatic switching between USB and battery sources, which is critical for field deployments. The board’s design omits an OLED to reduce cost and power draw, focusing resources on core wireless functionality and GPIO expansion via its dual-row pin headers.

Key Features

  • ESP32-S3FN8 delivers 240MHz dual-core processing with 8MB flash for complex application logic and network stacks.
  • Semtech SX1262 LoRa chip enables long-range, sub-GHz communication with excellent receiver sensitivity for star or mesh networks.
  • Integrated CP2102 USB-to-serial bridge ensures reliable firmware uploads and serial debugging via a Type-C connector.
  • Comprehensive battery management circuit provides charging, monitoring, protection, and automatic power source selection.
  • Dual antenna system: a printed spring antenna for 2.4GHz Wi-Fi/BLE and an IPEX connector for an external LoRa antenna.
  • Full Arduino framework compatibility accelerates prototyping, with extensive library support for LoRa, Wi-Fi, and BLE.
  • Low-power design foundation supports deep sleep modes, making it suitable for solar-powered or long-life battery applications.

Applications

  • Long-range environmental sensor nodes for agriculture (soil moisture, weather stations).
  • Mesh network devices for decentralized communication using protocols like Meshtastic.
  • Asset tracking and telemetry units combining GPS (via GPIO) with LoRa backhaul.
  • Smart city IoT endpoints for waste management, parking sensors, or street lighting.
  • Industrial monitoring and alarm systems requiring reliable data transmission in RF-challenged environments.

Technical Specifications

Microcontroller/SoCESP32-S3FN8 (Xtensa LX7 Dual-Core, up to 240MHz)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5.1 (BLE & Mesh), LoRa (via SX1262)
LoRa Frequency Range863 - 928 MHz
LoRa ChipsetSemtech SX1262
Supply Voltage3.3V (Regulated), 3.7V LiPo via battery interface
Operating Current / Sleep CurrentTypical active current varies; Deep Sleep ≤800 µA
InterfacesType-C USB, CP2102 UART, 2x20 GPIO Header, SH1.25 Battery Connector
Antenna ConnectorOnboard 2.4GHz Spring Antenna (Wi-Fi/BLE), IPEX (U.FL) for LoRa
Flash Memory8 MB
Operating Temperature-20°C to +70°C
Dimensions58.1 mm (L) x 22.6 mm (W)

Frequently Asked Questions

How do I program the Heltec Automation Wireless Stick Lite and what software is required?

Install the ESP32 board package via the Arduino IDE Board Manager. Select 'Heltec Automation Wireless Stick Lite (ESP32-S3)' as your target. Connect the board via the provided Type-C cable; the CP2102 USB-serial chip should auto-install drivers. Use the standard Arduino upload process. For advanced use, you can also program it using ESP-IDF or PlatformIO, leveraging the same COM port for flashing and serial monitoring of debug output.

What is the power supply configuration and how do I connect a battery?

The board can be powered via the USB Type-C port (5V) or a 3.7V LiPo battery connected to the onboard SH1.25-2 pin connector. The integrated power management IC provides charging, overcharge protection, and automatic switching between power sources. For lowest power consumption in field deployments, use a battery and ensure your firmware utilizes the ESP32-S3's deep sleep modes, which can reduce current draw to under 800 microamps between transmission cycles.

How do I attach and configure the antennas for Wi-Fi, Bluetooth, and LoRa?

Wi-Fi and Bluetooth share the onboard 2.4GHz metal spring antenna; no action is needed. For LoRa, screw the provided external antenna onto the IPEX (U.FL) connector mounted on the board. Ensure your LoRa library (like LoRa.h or RadioLib) is configured for the SX1262 chipset and the correct frequency band (863-928MHz). Antenna impedance should be 50 ohms for optimal RF performance and range.

Can this board run Meshtastic firmware, and what is the flashing procedure?

Yes, the Wireless Stick Lite is a popular hardware platform for Meshtastic. To flash it, download the latest Meshtastic device firmware .bin file. Use the ESP32 Flash Download Tool or esptool.py via command line. Put the board into download mode by holding the BOOT button while pressing RESET, then release RESET. Select the correct serial port and flash the .bin file to address 0x0. After flashing, configure the device via the Meshtastic mobile app over Bluetooth.

Package Includes

  • 1 x Wireless Stick Lite Board
  • 1 x LoRa Antenna (for IPEX connector)
  • 1 x SH1.25×2 Battery Connector
  • 1 x Pin Map Sticker

Additional Information

Weight 0.05 kg
Dimensions 5.808 × 2.26 cm

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