Overview

This is a Raspberry Pi LoRa HAT based on SX1268, covers 433MHz frequency band. It allows data transmission up to 5km through serial port.

By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on.

Comparing with normal LoRa modules, the SX1268 LoRa HAT achieves longer communication distance, higher rate, lower consumption, better safety and anti-interference. It is suitable for various applications such as industrial control, smart home, data collection, etc.

Features

• – Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
• – Onboard CP2102 USB TO UART converter, for serial debugging
• – Brings the UART control interface, for connecting host boards like Arduino/STM32
• – 4x LED indicators, easy to check the module status
• – LoRa spread spectrum modulation technology, up to 84 available signal channel, longer communication distance, more robust to interference
• – Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region
• – Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications
• – Customizable communication key which won’t be retrieved, greatly improves the security of user data
• – Supports LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment
• – Supports RSSI signal intensity indicating, for evaluating signal quality, tuning the network
• – Supports wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter
• – Supports fixed-point transmission, broadcast, signal channel monitor
• – Comes with development resources and manual (examples for Raspberry Pi/STM32)

What’s on Board

1. SX1268 LoRa module
2. 74HC125V: voltage level translator
3. CP2102: USB TO UART converter
4. Raspberry Pi GPIO connector: for connecting with Raspberry Pi
5. USB TO UART port
6. UART header: for connecting host boards like STM32/Arduino
7. SMA antenna connector
8. IPEX antenna connector
9. Indicators:
   • RXD/TXD: UART RX/TX indicator
   • AUX: auxiliary indicator
   • PWR: power indicator
10. UART selection jumpers
    • A: control the LoRa module through USB TO UART
    • B: control the LoRa module through Raspberry Pi
    • C: access Raspberry Pi through USB TO UART
11. LoRa mode selection jumpers
    • short M0, short M1: transmission mode
    • short M0, open M1: configuration mode
    • open M0, short M1: WOR mode
    • open M0, open M1: deep sleep mode

Dimensions

Development Resources

Wiki : www.waveshare.com/wiki/SX1268_433M_LoRa_HAT

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