ESP32 LoRa SX1278 0.96-Inch OLED Display Module w/ Type-C
ESP32 LoRa SX1278 0.96-Inch OLED Display Module w/ Type-C - Image 2
SKU: IOWC-1742
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ESP32 LoRa SX1278 0.96-Inch OLED Display Module w/ Type-C

₹2,179.00 (Inclusive of all taxes)
Out of Stock

This ESP32-based development board integrates a 433MHz SX1278 LoRa transceiver, a 0.96-inch blue OLED display, and a Type-C USB interface for programming and power. It’s designed for Arduino IDE, ESP-IDF, and MicroPython, enabling long-range wireless sensor nodes with local data visualization.

Features

  • Dual-core ESP32 SoC with 240MHz CPU, 520KB SRAM, and 32MB flash for robust Wi-Fi/BLE and application logic.
  • Integrated SX1278 LoRa transceiver for 433MHz band, offering up to +20dBm output and -148dBm sensitivity for multi-kilometer range.
  • 0.96-inch blue OLED display provides local UI for sensor readings, status, and debugging without external monitors.
  • Onboard CP2102 USB-to-serial chip and Type-C connector simplify firmware uploads and serial communication.
  • Includes lithium battery charging circuit for portable, battery-powered IoT deployments in remote monitoring.

Out of stock

Description

This module combines the processing power and dual-band connectivity of the Espressif ESP32 with the long-range, low-power capabilities of the Semtech SX1278 LoRa transceiver. The 32-bit dual-core LX6 processor runs at 240MHz, managing Wi-Fi (802.11 b/g/n), Bluetooth 4.2 (Classic & BLE), and the LoRa modem concurrently. The integrated 0.96-inch OLED provides a crisp display for sensor data, network status, or custom GUI elements, making it an all-in-one wireless telemetry node.

Power management is flexible, accepting 3.3V to 7V inputs via the onboard regulator, with a dedicated lithium battery charging interface supporting portable operation. The CP2102 USB bridge ensures reliable serial communication for flashing firmware via Arduino IDE, ESP-IDF, or PlatformIO. With a high-sensitivity LoRa receiver (-148dBm) and configurable output power up to +20dBm, this board is engineered for reliable communication over distances exceeding 2km in open spaces, ideal for remote environmental sensing and decentralized IoT networks.

Key Features

  • Hybrid Connectivity: ESP32 provides 2.4GHz Wi-Fi and Bluetooth 4.2; SX1278 adds sub-GHz LoRa for long-range, low-data-rate links.
  • Integrated Display: 0.96-inch blue OLED (SSD1306 driver) for local data visualization and system status without external hardware.
  • Robust Power System: Wide 3.3V-7V input range with onboard LDO regulator and dedicated Li-ion battery charging/protection circuit.
  • Developer-Friendly: Pre-flashed with USB bootloader, includes CP2102 serial bridge and Type-C port for easy programming and debugging.
  • Extended Memory: 32MB SPI flash provides ample storage for OTA updates, web server assets, and data logging.
  • Optimized RF Performance: LoRa module features high receiver sensitivity and adjustable RF output for maximizing link budget and range.

Applications

  • Long-range environmental sensor nodes for agriculture (soil moisture, weather stations).
  • Wireless telemetry gateways bridging LoRa sensor networks to Wi-Fi/cloud platforms.
  • Portable asset trackers with local display for status and GPS coordinates.
  • Smart home automation controllers with local UI and remote LoRa-based sensor input.
  • DIY mesh network nodes combining LoRa for backbone and Wi-Fi for client access.

Technical Specifications

Microcontroller/SoCEspressif ESP32 (Dual-core LX6 @ 240MHz)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 (Classic & BLE), LoRa (via SX1278)
Frequency Range433MHz (LoRa), 2.4GHz (Wi-Fi/BT)
RF Transmit Power / SensitivityLoRa: +20dBm max / -148dBm; Wi-Fi: Up to 19.5dBm @ 11b / -98dBm
Supply Voltage3.3V to 7V DC
Operating Current/Sleep CurrentVaries with mode (Wi-Fi active ~240mA, LoRa TX ~120mA, deep sleep <10μA)
InterfacesType-C USB (CP2102), GPIO, I2C (OLED), SPI (Flash & LoRa), UART, ADC
Antenna ConnectorIntegrated PCB trace antenna (Wi-Fi/BT); SMA/IPEX for LoRa (model dependent)
Operating Temperature-40°C to +90°C
DimensionsApprox. 70mm x 70mm x 20mm (from shipping data)

Frequently Asked Questions

How do I program this ESP32 LoRa OLED module?

Install the ESP32 board package in the Arduino IDE or set up ESP-IDF. Connect the board via the provided Type-C cable; the CP2102 driver should auto-install. Select 'ESP32 Dev Module' as the board target and the correct COM port. Example sketches for the OLED (using SSD1306 library) and LoRa (using RadioHead or LoRa library) are available. Ensure you configure the LoRa frequency to 433MHz in your code for proper SX1278 operation.

What is the maximum range of the LoRa communication?

The integrated SX1278 chip, with +20dBm output power and -148dBm receiver sensitivity, can achieve over 2.6 km in open, line-of-sight conditions with a proper antenna. Actual range is affected by antenna gain (use a matched 433MHz antenna), terrain, obstructions, and interference. For best results, ensure the antenna is connected securely if an external connector is present, and optimize spreading factor and bandwidth settings in your LoRaWAN or custom protocol stack.

Can I power the module with a battery?

Yes. The board includes a lithium battery charging and protection circuit. You can connect a 3.7V Li-ion or LiPo battery to the designated terminals. The onboard regulator accepts inputs from 3.3V to 7V, so you can also use external DC supplies. In deep sleep mode, the ESP32 can draw less than 10μA, significantly extending battery life for periodic sensor reading and transmission applications.

How do I use the OLED display with my own data?

The 0.96-inch OLED uses an SSD1306 driver over I2C. In your Arduino sketch, include libraries like Adafruit_SSD1306 and Adafruit_GFX. Initialize the display with the correct I2C address (typically 0x3C). You can then use draw functions to show text, sensor values, or simple graphics. The display is powered from the 3.3V rail and shares I2C pins with other sensors, so manage bus addresses carefully to avoid conflicts.

Package Includes

  • 1 x ESP32 LoRa SX1278 0.96-Inch OLED Display Module (Type-C Connector)

Additional Information

Weight 0.026 kg
Dimensions 7 × 7 × 2 cm

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