LoRa SX1278 Long Range RF Wireless Module

Specifications:

Frequency Range: 137 MHz to 1020 MHz (typically used in the 433 MHz band)
Modulation Type: LoRa (Long Range)
Communication Range: Up to 20 km (in open space)
Data Rate: 0.3 kbps to 37.5 kbps
Chipset: SX1278
Operating Voltage: 1.8V to 3.7V

Special Features:

Extended Range: Capable of transmitting data over long distances, suitable for remote and rural areas.
Low Power Consumption: Designed for efficient power use, ideal for battery-powered devices.
High Sensitivity: Effective even in weak signal conditions.
Adaptive Data Rate: Automatically adjusts data rate based on signal quality and range.
Integrated MCU Interface: Facilitates easy integration with microcontrollers for various applications.

Wiring Connections:

Power Supply:
- VCC: Connect to a 1.8V to 3.7V power source.
- GND: Connect to the ground of the power source.
SPI Interface:
- MOSI (Master Out Slave In): Connect to the MOSI pin of the microcontroller.
- MISO (Master In Slave Out): Connect to the MISO pin of the microcontroller.
- SCK (Serial Clock): Connect to the SCK pin of the microcontroller.
- NSS (Slave Select): Connect to a GPIO pin on the microcontroller used for module selection.
Other Pins:
- DIO0, DIO1, DIO2: Connect to GPIO pins on the microcontroller for handling interrupts.
- RESET: Connect to a GPIO pin or reset circuit to reset the module.

Power:

Operating Voltage: 1.8V to 3.7V DC.
Current Consumption:
- Transmit: Up to 20 mA (varies with power output and data rate).
- Receive: Typically around 10 mA.
- Sleep Mode: Very low power consumption for energy-efficient operations.

Original price was: ৳ 1,100.00.Current price is: ৳ 940.00.

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Specification

Overview

Input and Output:

Input:
- Data Signals: Serial data from the microcontroller.
- Control Signals: Commands to configure and control the module.
Output:
- Transmitted Data: Data sent to other LoRa modules.
- Received Data: Data received from other LoRa modules.

Physical Characteristics:

Size: Compact, generally around 20mm x 20mm.
Weight: Lightweight, approximately 5 grams.
Build: Durable PCB with soldered components; typically includes mounting holes.

Technical Specifications:

Frequency Range: Operates within the 433 MHz band, though capable of broader frequency coverage.
Bandwidth: Configurable from 125 kHz to 500 kHz.
Spreading Factor: Configurable from SF7 to SF12.
Sensitivity: Down to -148 dBm.
Output Power: Up to +20 dBm (adjustable based on configuration).

Additional Features:

Encryption: Supports AES encryption for secure communication.
CRC Checking: Ensures data integrity with Cyclic Redundancy Check.
FIFO Buffer: Helps in handling large data bursts efficiently.
Error Correction: Implements forward error correction for improved reliability.

How to Use:

Connect Power:
- Attach a 1.8V to 3.7V power supply to the VCC and GND pins.
- Ensure stable power connections to avoid module malfunction.
Wire the Module:
- Connect the SPI pins (MOSI, MISO, SCK, NSS) to corresponding pins on the microcontroller.
- Attach the DIO pins to GPIO pins on the microcontroller for interrupt handling.
- Connect the RESET pin to a GPIO pin or reset circuit.
Configure the Module:
- Send configuration commands to the module via the microcontroller.
- Set the frequency (e.g., 433 MHz), adjust the data rate, and configure other settings such as spreading factor and bandwidth.
Transmit Data:
- Load the data into the module’s FIFO buffer.
- Use the microcontroller to send a command to start transmission.
Receive Data:
- Monitor DIO pins for incoming data interrupts.
- Retrieve received data from the module’s FIFO buffer.
Monitor and Maintain:
- Check the module’s status through LEDs or indicators if available.
- Ensure that power supply and connections are stable.
- Update configurations or firmware as needed for optimal performance.

The LoRa SX1278 module is a powerful tool for long-range, low-power wireless communication. It is ideal for applications requiring reliable data transmission over significant distances, such as remote sensing and IoT networks. By following the outlined steps, users can effectively integrate and use the module in their projects.