Heltec Automation Automation LoRa ESP32 OLED Display Development Board w/ SX1262
Heltec Automation Automation LoRa ESP32 OLED Display Development Board w/ SX1262 - Image 2
Heltec Automation Automation LoRa ESP32 OLED Display Development Board w/ SX1262 - Image 3
SKU: IOWC-1829
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Heltec Automation Automation LoRa ESP32 OLED Display Development Board w/ SX1262

₹2,809.00 (Inclusive of all taxes)
Out of Stock

Heltec Automation Automation’s LoRa ESP32 development board integrates a dual-core ESP32 SoC with a Semtech SX1262 LoRa transceiver and a 0.96-inch OLED display, providing a complete IoT node platform for Arduino IDE, ESP-IDF, and MicroPython development.

Features

  • ESP32 + SX1262 Combo: Combines Wi-Fi/Bluetooth dual-core processing with long-range LoRa (868-915MHz) communication for hybrid IoT networks.
  • Integrated 0.96-Inch OLED: Onboard blue OLED display for real-time sensor data, status messages, and debugging without external screens.
  • Extended RF Range: LoRa module features -139dBm high sensitivity and up to +20dBm transmit power for reliable communication over several kilometers.
  • Arduino & ESP-IDF Ready: Fully supported by Arduino core for ESP32 and Espressif’s native ESP-IDF framework, with CP2102 USB-serial chip for easy programming.
  • Battery Management: Includes onboard lithium battery charging circuit and interface for portable, battery-powered field deployments.

Out of stock

Description

The Heltec Automation Automation LoRa ESP32 OLED Development Board is a feature-rich IoT prototyping platform designed for developers building long-range, low-power wireless sensor networks. At its core is the Espressif ESP32, a dual-core Tensilica LX6 processor running at 240MHz with integrated 802.11 b/g/n Wi-Fi and dual-mode Bluetooth (Classic & BLE). This is paired with a Semtech SX1262 LoRa modem operating in the 868/915MHz ISM bands, delivering high sensitivity (-139dBm) and configurable output power up to +20dBm for robust communication in challenging environments.

The board is engineered for rapid development, featuring a pre-soldered 0.96-inch OLED for visual feedback, a CP2102 USB-to-serial converter for seamless firmware flashing, and a LiPo battery charging management circuit supporting 3.3V to 7V input. With 32MB of flash memory, an IPEX connector for the included spring antenna, and full Arduino library support, it accelerates prototyping for smart agriculture, remote telemetry, asset tracking, and other LPWAN applications.

Key Features

  • Hybrid Wireless Connectivity: Leverage Wi-Fi for local network access, Bluetooth for short-range device pairing, and LoRa for kilometer-scale, low-power data backhaul.
  • Visual Debugging Interface: The integrated OLED display provides immediate visual confirmation of sensor readings, network status, and system diagnostics.
  • Low-Power IoT Ready: Supports ESP32's deep sleep modes and the SX1262's low current consumption for battery-operated sensor nodes lasting months.
  • Robust RF Performance: High LoRa link budget ensures reliable communication in urban, suburban, and rural settings with minimal packet loss.
  • Comprehensive Development Support: Out-of-the-box compatibility with popular frameworks reduces setup time and accelerates project development cycles.
  • Portable Power Design: Onboard battery charger and wide input voltage range enable easy deployment in mobile or off-grid monitoring stations.

Applications

  • Smart Agriculture & Environmental Monitoring: Deploy for soil moisture sensing, weather station data collection, and livestock tracking using LoRaWAN gateways.
  • Industrial Telemetry & Asset Tracking: Monitor equipment status, tank levels, or pallet locations in large facilities or across wide geographic areas.
  • Urban IoT & Smart City Networks: Implement for smart parking, waste management bin monitoring, or air quality sensing nodes.
  • Prototyping Hybrid IoT Gateways: Use as a development platform for devices that bridge LoRa sensor networks to cloud platforms via Wi-Fi or cellular backhaul.

Technical Specifications

Microcontroller / SoCEspressif ESP32 (Dual-core LX6 @ 240MHz)
LoRa TransceiverSemtech SX1262
Wireless Protocols802.11 b/g/n Wi-Fi, Bluetooth 4.2 BR/EDR & BLE, LoRa
LoRa Frequency Range868MHz / 915MHz
LoRa RF Output PowerUp to +20 dBm
LoRa Receiver SensitivityUp to -139 dBm
Display0.96-inch Blue OLED (SSD1306)
Supply Voltage3.3V to 7V (via Micro-USB or VIN pin)
USB-Serial ChipCP2102
Antenna ConnectorIPEX (Spring antenna included)
Operating Temperature-40°C to +90°C
DimensionsApprox. 7 x 7 cm (from shipping data)

Frequently Asked Questions

How do I program this Heltec Automation board using the Arduino IDE?

First, install the ESP32 board support via Arduino Boards Manager. Then, add the Heltec Automation ESP32 LoRa library from the Library Manager. Select 'Heltec Automation WiFi LoRa 32 (V2)' as your board, connect via USB, and choose the correct COM port. The onboard CP2102 chip handles USB-to-serial communication, allowing you to upload sketches directly for controlling the OLED, reading sensors, and transmitting LoRa packets.

What is the power consumption in sleep mode, and how do I enable it?

The ESP32 on this board can enter Deep Sleep, drawing as low as ~10µA. Use `esp_deep_sleep_start()` in ESP-IDF or the `ESP.deepSleep()` function in Arduino after configuring wake-up sources like a timer or GPIO pin. Ensure you power the board via the 3.3V pin or a battery connected to the onboard charger. The SX1262 LoRa chip also supports sleep modes, which you must manage via its SPI commands to minimize overall system current for long-term deployments.

Can I use this board as a LoRaWAN node with The Things Network (TTN)?

Yes. You must install a LoRaWAN stack library like MCCI LoRaWAN or the Heltec Automation LoRaWAN library. Configure the SX1262 for your region's frequency plan (EU868 or US915), set the DevEUI, AppEUI, and AppKey from your TTN application, and use the OTAA or ABP activation method. The board will join the network and send uplink packets. Ensure you use the correct antenna for your region and comply with local duty cycle regulations.

What is the purpose of the IPEX connector, and can I use a different antenna?

The IPEX connector allows you to detach the included spring antenna and attach an external antenna with an IPEX-to-SMA pigtail for improved gain or directionality. This is useful for mounting the board indoors while placing an antenna outdoors. Ensure any replacement antenna is tuned for 868MHz or 915MHz to match the SX1262's RF output. The Wi-Fi/BLE antenna is a separate PCB trace antenna on the ESP32 module.

Package Includes

  • 1 x LoRa ESP32 OLED Display Bluetooth WIFI IOT Development Board
  • 1 x 868/915MHz Spring Antenna (IPEX connector)
  • 1 x PIN Sticker
  • 2 x PIN Headers

Additional Information

Weight 0.045 kg
Dimensions 7 × 7 × 2 cm

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