SX1278 LoRa Module Ra- 02 433MHZ Wireless Spread Spectrum Transmission - Buy Online in India

Package Includes:

• 1 x LoRa Wireless Spread Spectrum Transmission

Specifications:

1. How do I connect the SX1278 LoRa module to an Arduino?

To connect the SX1278 LoRa module, you must use a 3.3V logic level for power and for the SPI pins (MOSI, MISO, SCK, NSS). Once wired, you can use a dedicated LoRa library within the Arduino IDE to establish communication and control the module. Be sure to correctly map the pin definitions in your code.

2. How can I configure the Ra-02 module for long-range communication?

You can configure your Ra-02 module for long-distance wireless communication by adjusting its LoRa parameters in your code. Increasing the spreading factor and decreasing the signal bandwidth will maximize range, though it will also reduce the data transmission rate. These settings are key to balancing range and speed for your specific application.

3. How do I send data wirelessly using the SX1278 module?

To send data, you first need to initialize the SX1278 433MHz LoRa module using a suitable library in your code. You can then package your information into data packets and use a function like LoRa.beginPacket() to transmit them. This method provides reliable long-range wireless communication.

4. How can I receive data using the SX1278 LoRa module?

To receive data, you must configure a second SX1278 LoRa module to be in a continuous listening mode. Your code should periodically check for incoming packets using a function from your LoRa library, such as LoRa.parsePacket(). LoRa technology ensures robust signal reception even in noisy RF environments.

5. How do I troubleshoot connectivity issues with the Ra-02 LoRa module?

First, verify that your Ra-02 module has a stable 3.3V power supply and that all your wiring, especially the SPI connections, is correct. Next, double-check your code configuration to ensure both the sender and receiver are using the same frequency and LoRa parameters. Incorrect settings are a common source of connectivity problems.

6. Can I use multiple SX1278 modules in a network?

Yes, you can create a network using multiple SX1278 modules by assigning them all the same LoRa communication parameters, such as frequency and spreading factor. To distinguish them, you should assign unique addresses to each node within your code. This allows for organized data exchange between specific modules.

1. What is LoRa module SX1278?

The wireless transceiver module SX1278 utilizes the LoRa platform, designed for IoT applications. This module communicates via the SPI protocol and can be used with any microcontroller supporting SPI. To ensure proper functioning, the module must be powered with 3.3V, and its 16 pins (8 on each side) must be connected to the uP/uC via the SPI line. It's critical to use an antenna with the module to prevent permanent damage. The module is designed to work with a standard 50-? impedance and comes with a spring coil antenna.

2. How does LoRa SX1278 work?

The SX1278 LoRa transceiver utilizes Semtech's patented LoRa modulation technique to enable ultra-long range spread spectrum communication and high interference immunity with low current consumption. It communicates via the SPI protocol and is compatible with any microcontroller that supports SPI. The module can be effortlessly connected to an Arduino board for transmitting and receiving data. Additionally, there are YouTube tutorials available for getting started with the LoRa SX1278 module.

3. Why LoRa is used?

LoRa is a wireless platform designed for IoT applications. It utilizes a proprietary radio communication technique based on spread spectrum modulation derived from CSS technology. LoRa is well-suited for applications that require low bit rates and transmit small data chunks over long distances, which outperforms technologies like WiFi, Bluetooth, or ZigBee. The platform is well-suited for low power mode sensors and actuators. To ensure the interoperability of all LoRaWAN products and technologies, a standard protocol known as LoRaWAN is used.

4. What is the range of the SX1278 LoRa module?

The SX1278 433MHz LoRa module can achieve transmission distances of 1–2 km in urban areas and over 10 km in open-line-of-sight conditions. Range depends on factors like antenna quality, environmental interference, and transmission power. Its long reach makes it perfect for low-power, wide-area network applications.

5. What is the output power of the SX1278?

The LoRa RA 02 supports a maximum output power of 20 dBm, allowing strong signal transmission over extended distances. This high power output enhances link reliability, especially in noisy RF environments. It’s well-suited for battery-powered devices where long-range and energy efficiency are critical.

6. What is the impedance of the SX1278?

The SX1278 has a standard RF impedance of 50 ohms, which must match your antenna and PCB trace design for optimal performance. Using a 50 ohm antenna ensures maximum power transfer and minimizes signal reflection. This matching is essential for achieving the best range and signal integrity.

7. What is the speed of the LoRa module?

The SX1278 LoRa module supports configurable data rates from 0.3 kbps to 37.5 kbps, balancing speed and range based on your application needs. While it doesn’t offer high-speed transfer, its focus on long-range and low-power operation makes it ideal for IoT applications where reliable, intermittent data transmission is key.

Shipping Policy

• All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
• Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

• Return window: 7 days from receipt unless stated otherwise.
• No refunds or replacements after the return window.
• Returns are accepted only for non-working or damaged products.
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