SKU: IOWC-1729
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Heltec Automation Automation ESP32-S3 Wireless Shell Module w/ SX1262 LoRaWAN, Wi-Fi, BLE

₹1,559.00 (Inclusive of all taxes)
Out of Stock

The Heltec Automation Automation ESP32-S3 Wireless Shell is a compact, integrated IoT module combining an ESP32-S3FN8 MCU with an SX1262 LoRa transceiver for long-range, low-power (9µA sleep) wireless connectivity. It supports Arduino IDE development and provides concurrent Wi-Fi, Bluetooth LE, and LoRa (433-510MHz) communication in a 38.4×16.1mm stamp-hole package.

Features

  • Dual-Core ESP32-S3 + LoRa SX1262: Integrates a 240MHz Xtensa LX7 dual-core processor with a Semtech SX1262 transceiver for robust processing and sub-GHz LoRaWAN communication.
  • Triple Wireless Connectivity: Provides concurrent 802.11 b/g/n Wi-Fi (up to 150Mbps), Bluetooth 5/Bluetooth Mesh, and LoRa (433-510MHz) via dedicated IPEX antenna connectors.
  • Ultra-Low Power Design: Engineered for IoT deployments with a deep sleep current as low as 9µA, enabling long-term battery-powered operation.
  • Direct PCB Assembly: Features a compact 38.4 x 16.1 x 3.2mm form factor with 1.27mm stamp holes for direct soldering onto custom carrier boards or end products.
  • Arduino & LoRaWAN Support: Fully compatible with the Arduino development environment and includes Heltec Automation’s proprietary LoRaWAN protocol stack for rapid application development.

Out of stock

Description

The Heltec Automation Automation ESP32-S3 Wireless Shell (HTIT-Wsh) is a highly integrated wireless module designed for scalable IoT node deployment. It merges the computational power of Espressif’s ESP32-S3FN8 microcontroller with the long-range, low-power communication capabilities of the Semtech SX1262 LoRa transceiver. This architecture enables developers to implement complex edge logic while maintaining reliable connectivity over several kilometers in sub-GHz ISM bands.

The module is built with RF shielding and robust circuit design to ensure stable performance in industrial environments, operating reliably from -40°C to 85°C. Its primary design goal is to serve as a turnkey wireless core for OEMs and system integrators, allowing for rapid solution verification and product deployment without the need for complex RF layout. The inclusion of separate IPEX sockets for both the 2.4GHz and LoRa antennas provides flexibility for optimizing range and placement in final assemblies.

Key Features

  • Integrated Wireless SoC: Combines ESP32-S3's Wi-Fi/BLE and SX1262's LoRa into a single, shielded module.
  • Extended Temperature Range: Operates reliably in harsh environments from -40°C to +85°C.
  • Dedicated Antenna Ports: Features separate IPEX 1.0 connectors for the 2.4GHz and LoRa antennas to prevent interference.
  • Developer-Friendly: Supported by the Arduino IDE and Heltec Automation's custom LoRaWAN library for accelerated prototyping.
  • Low-Power Optimized: Circuit design prioritizes minimal active and sleep current consumption for battery-powered nodes.
  • Compact Form Factor: Ultra-small footprint enables integration into space-constrained devices and wearables.
  • CE Certified: Complies with essential health, safety, and environmental protection standards for the EU market.

Applications

  • Smart Agriculture & Environmental Monitoring: Deploy for soil moisture, weather station, and crop health telemetry over long ranges.
  • Industrial IoT & Asset Tracking: Monitor equipment status, location, and environmental conditions in warehouses or remote facilities.
  • Smart City Infrastructure: Implement in smart parking, waste management, utility metering, and street lighting control networks.
  • Hybrid Wireless Sensor Networks: Use LoRa for long-distance sensor backhaul and Wi-Fi/BLE for local device configuration or dense data uploads.

Technical Specifications

Microcontroller / SoCESP32-S3FN8 (Xtensa® 32-bit LX7 Dual-Core, up to 240MHz)
LoRa TransceiverSemtech SX1262
Wireless Protocols802.11 b/g/n Wi-Fi, Bluetooth 5.0/Bluetooth Mesh, LoRa/LoRaWAN
LoRa Frequency Range433 - 510 MHz
RF Antenna ConnectorsIPEX 1.0 for 2.4GHz, IPEX 1.0 for LoRa
Supply VoltageNot Specified
Operating Current / Sleep CurrentSleep: ~9 µA (Theoretical)
Interfaces1.27mm Pitch Stamp Hole Pads (for power, GPIO, UART, etc.)
Operating Temperature-40°C to +85°C
Dimensions (L x W x H)38.4 mm x 16.1 mm x 3.2 mm

Frequently Asked Questions

How do I program the Heltec Automation ESP32-S3 Wireless Shell module?

You can program the module using the Arduino IDE. First, install the ESP32 board support package via the Boards Manager. Then, add Heltec Automation's dedicated library for the SX1262 LoRa chip from their GitHub repository. Connect the module's stamp holes to a USB-to-serial adapter for power and programming. Select 'Heltec Automation Wireless Shell (ESP32-S3)' as your board and upload your sketch. The module supports the full Arduino framework and Heltec Automation's LoRaWAN protocol examples.

What antennas are required and how are they connected?

The module requires two antennas: a 2.4GHz Wi-Fi/BLE antenna and a sub-GHz LoRa antenna tuned for 433-510MHz. Both connect via IPEX 1.0 (U.FL) connectors on the board. Ensure your LoRa antenna's frequency range matches your chosen operating band (e.g., 433MHz or 470MHz). Use low-loss cables and position antennas away from large metal obstructions for optimal RF performance. The board does not include integrated antennas; you must source them separately.

What is the power supply requirement and how is deep sleep achieved?

While the exact voltage range isn't specified, typical ESP32-S3 boards operate from 3.0V to 3.6V. Provide a stable 3.3V supply via the VCC and GND stamp holes. To achieve the 9µA deep sleep, you must configure the ESP32-S3's power management functions in your firmware, disabling Wi-Fi/BLE radios and putting the SX1262 into sleep mode. Ensure all unused GPIOs are set to a known state. Power consumption during active LoRa transmission will be significantly higher, dominated by the SX1262's peak current.

Package Includes

  • 1 x Heltec Automation Automation ESP32-S3 Wireless Shell Module (HTIT-Wsh)

Additional Information

Weight 0.025 kg
Dimensions 7 × 6 × 2 cm