The SX1278 433MHz LoRa Module is a compact, high-performance wireless communication module designed for long-range, low-power applications. This module is built around the popular SX1278 LoRa transceiver IC, known for its reliability, durability, and excellent communication performance.
Key Features:
- Long-Range Communication: The SX1278 433MHz LoRa Module provides long-range communication capabilities, with a maximum transmission distance of up to 10km in open environments.
- Low Power Consumption: With a low power consumption of only 1.8V to 3.7V, this module is ideal for battery-powered devices and applications where energy efficiency is crucial.
- High Sensitivity: The module has a high sensitivity of -148dBm, allowing for reliable communication in noisy environments.
- Serial Communication: The module supports serial communication via a 2-wire SPI interface, making it easy to integrate with microcontrollers and other devices.
- Compact Design: The module measures only 16mm x 16mm, making it an excellent choice for space-constrained applications.
Controller IC:
The SX1278 433MHz LoRa Module is controlled by the SX1278 LoRa transceiver IC, a highly integrated and versatile controller designed specifically for long-range, low-power wireless communication. The SX1278 IC provides a range of features, including:
- LoRa Modulation: The IC supports LoRa modulation, a spread-spectrum modulation technique that provides high sensitivity and resistance to interference.
- Frequency Hopping: The IC supports frequency hopping, allowing for efficient use of the 433MHz frequency band and minimizing interference.
- Data Rate: The IC supports data rates of up to 27kbps, making it suitable for a wide range of applications.
- Error Correction: The IC provides error correction capabilities, ensuring reliable data transmission and reception.
Software:
To use the SX1278 433MHz LoRa Module with the Nucleo STM32F4, you will need to use a LoRa library for the STM32F4 microcontroller. There are several libraries available, including the official STM32Cube library and third-party libraries such as the LoRaWAN library.
Conclusion:
The SX1278 433MHz LoRa Module is a reliable, high-performance wireless communication module for long-range, low-power applications. With its long-range communication capabilities, low power consumption, and compact design, this module is an excellent choice for developers and engineers looking for a reliable and efficient wireless communication solution. The SX1278 controller IC provides a range of features and functions, making it easy to integrate and control the module. By following the steps outlined above, you can easily connect the SX1278 433MHz LoRa Module to the Nucleo STM32F4 and start developing your LoRa-based application.
Model | SX1278 Wireless Transmitter |
Input Voltage | 2.7 ~ 5V |
Frequency | 433MHz |
Communication Distance | 15KM |
Sensitivity | down to -148dBm |
Interface | Serial interface (SPI) |
RSSI dynamic range | 127dB |
Programmable bit rates | up to 300kbps |
Product Dimensions | 28 x 20mm |
Operating range | -20°C to +70°C |
Product Weight | 30 grams |
Pinout:
The SX1278 433MHz LoRa Module has a total of 14 pins, which are described in the following table:
Pin Number | Pin Name | Description |
---|---|---|
1 | VCC | Power supply (1.8V to 3.7V) |
2 | GND | Ground |
3 | SCK | SPI clock |
4 | MOSI | SPI master out, slave in |
5 | MISO | SPI master in, slave out |
6 | CS | SPI chip select |
7 | RESET | Reset pin |
8 | DIO0 | Digital input/output 0 |
9 | DIO1 | Digital input/output 1 |
10 | DIO2 | Digital input/output 2 |
11 | DIO3 | Digital input/output 3 |
12 | DIO4 | Digital input/output 4 |
13 | DIO5 | Digital input/output 5 |
14 | ANT | Antenna connection |
Connecting to Nucleo STM32F4:
To connect the SX1278 433MHz LoRa Module to the Nucleo STM32F4, follow these steps:
- Connect the VCC pin of the LoRa module to the 3.3V pin of the Nucleo board.
- Connect the GND pin of the LoRa module to the GND pin of the Nucleo board.
- Connect the SCK pin of the LoRa module to the SPI clock pin (PA5) of the Nucleo board.
- Connect the MOSI pin of the LoRa module to the SPI master out, slave in pin (PA7) of the Nucleo board.
- Connect the MISO pin of the LoRa module to the SPI master in, slave out pin (PA6) of the Nucleo board.
- Connect the CS pin of the LoRa module to a digital output pin (e.g. PB0) of the Nucleo board.
- Connect the RESET pin of the LoRa module to a digital output pin (e.g. PB1) of the Nucleo board.
- Connect the DIO0-DIO5 pins of the LoRa module to digital input/output pins (e.g. PB2-PB7) of the Nucleo board.
- Connect the ANT pin of the LoRa module to an external antenna.
Country of origin : China
Note: The pins are Unsoldered but the Header pins are provided separately in the package.