Grove-LoRa-E5 (STM32WLE5JC)無線傳輸模組 868/915 MHz,支援LoRaWAN seeed原廠
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內置LoRa-E5 STM32WLE5JC的Grove LoRa-E5由ARM Cortex M4超低功耗MCU內核和LoRa SX126x供電,是一種易於使用的無線模塊,支持EU868和US915頻率上的LoRaWAN協議,並且(G )FSK,BPSK,(G)MSK,LoRa調製。
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Grove – LoRa-E5 (STM32WLE5JC)無線傳輸模組 868/915 MHz,支援LoRaWAN
Grove LoRa-E5嵌入了LoRa-E5 STM32WLE5JC,是一種高性能且易於使用的無線電Radio LoRa模塊 支持LoRaWAN協議。LoRa-E5 LoRaWAN STM32WLE5JC模塊是集成到Grove中的主要功能部件-LoRa-E5。 這是一個LoRaWAN模塊,它嵌入了ARM Cortex M4超低功耗MCU內核和LoRa SX126x,是世界上第一個將LoRa RF和MCU芯片組合到單個微型模塊中的模塊,它支持(G)FSK,BPSK,( G)MSK和LoRa調製,並且已通過FCC,CE認證。 Grove-LoRa-E5具有非常緊湊的尺寸,超低功耗,低成本和出色的性能。
特徵
- 嵌入式LoRa-E5(STM32WLE5JC)
- EU868 / US915 MHz 支持LoRaWAN協議
- 傳輸距離超長,可達10公里(開放空間的理想值)
- 通過UART連接通過AT命令輕鬆控制
- 通過即插即用的Grove接口進行快速原型製作
- 超低優勢和高效
LoRa-E5和RFM95芯片之間的比較
Grove-LoRa-E5可以簡單透過隨插即用的Grove連接器賦予開發板超長傳輸範圍,出色性能和高效率的強大功能。 通過將Grove-LoRa-E5連接到開發板上,您的設備可以通過UART連接通過AT命令方便地與LoRa-E5通信並對其進行控制。
憑藉以上列出的所有出色功能,Grove LoRa-E5將成為物聯網設備開發,測試以及遠程,超低功耗物聯網場景(如智能農業,智能辦公和智能產業)的絕佳選擇。 它按照工業標准設計,工作溫度範圍為-40℃〜85℃,靈敏度高,在-116.5 dBm至-136 dBm之間,功率輸出在10 dBm至22 dBm之間。
硬件概述
應用領域
- 適用於LoRaWAN傳感器節點和任何無線通信應用程序
- 物聯網設備測試和開發
有關如何使用LoRa-E5的更多詳細信息,請訪問LoRa-E5(STM32WLE5JC)模塊Wiki
出貨清單
- Grove – LoRa-E5 PCBA x1
- Grove 連接線 x1
Datasheet
- https://wiki.seeedstudio.com/Grove_LoRa_E5_New_Version/
- Grove LoRa-E5 v1.0.brd
- Grove LoRa-E5 v1.0.pdf
- Grove LoRa-E5 v1.0.sch
- LoRa-E5 datasheet and specifications
- LoRa-E5 AT Command Specification
- STM32WLE5JC Datasheet
Certifications
- LoRa-E5-HF Certification CE-VOC-RED
- LoRa-E5-HF FCC Certification -DSS
- LoRa-E5-HF FCC Certification -DTS
Relevant SDK
- STM32Cube MCU Package for STM32WL series
- Grove – LoRa-E5 (STM32WLE5JC) Wiki
- 【LoRa-E5 SDK】STM32Cube MCU Package for STM32WL series
=========================================================
Grove – LoRa-E5 (STM32WLE5JC), EU868/US915, LoRaWAN supported
Features
- LoRa-E5 (STM32WLE5JC) embedded
- Support LoRaWAN protocol on EU868/US915 frequency band
- Ultra-long transmitting range up to 10km (Ideal value in open space)
- Easy control by AT command via UART connection
- Rapid prototyping with plug-and-play Grove interfaces
- Ultra-low power consumption and high performance
As an upgrade of our old version – Grove – LoRa Radio – powered by RFM95 ultra-long-range Transceiver Module, Grove LoRa-E5 embedded with LoRa-E5 STM32WLE5JC Module is a high-performance and easy-to-use wireless radio LoRa module supporting LoRaWAN protocol.
LoRa-E5 LoRaWAN STM32WLE5JC module is the major functional part integrated into Grove – LoRa-E5. It is a LoRaWAN module that embedded with ARM Cortex M4 ultra-low-power MCU core and LoRa SX126x, as the world-first combo of LoRa RF and MCU chip into one single tiny module, it supports (G)FSK, BPSK, (G)MSK, and LoRa modulations, and is FCC, CE certified. Grove – LoRa-E5 features extremely compacted size, ultra-low power consumption, low cost, and amazing performance. (Learn more about LoRa-E5)
More comparison between the LoRa-E5 and RFM95 chip:
Grove – LoRa-E5 can endow your development boards’ strong features of ultra-long transmitting range, great performance, and high efficiency by easiliy plug and play with Grove connector on board. By connecting Grove – LoRa-E5 to your development boards, your devices is able to communicate with and control LoRa-E5 conveniently by AT command through UART connection.
With all the outstanding features listed above, Grove LoRa-E5 will be a superior choice for IoT device development, testing, and long-distance, ultra-low power consumption IoT scenarios like smart agriculture, smart office, and smart industry. It is designed with industrial standards with a wide working temperature at -40℃ ~ 85℃, high sensitivity between -116.5 dBm and -136 dBm, and power output between 10 dBm and 22 dBm.
Please check out this article LoRapedia, which introduces LoRa and LoRaWAN to learn about LoRaWAN and LoRa technology in detail.
Applications
- Works for LoRaWAN sensor nodes and any wireless communication application.
- IoT device testing and development
Application Note
For more detailed information about how to use LoRa-E5, please visit LoRa-E5 (STM32WLE5JC) Module Wiki.
1. Factory AT Firmware
LoRa-E5 series has a built-in AT command firmware, which supports LoRaWAN Class A/B/C protocol and a wide frequency plan: EU868/US915/AU915/AS923/KR920/IN865. With this AT command firmware, users can easily and quickly build their prototype or application.
The AT command firmware contains a bootloader for DFU and the AT application. The “PB13/SPI_SCK/BOOT” pin is used to control LoRa-E5 to stay in the bootloader or jump to the AT application. When PB13 is HIGH, the module will jump to AT application after reset, with a default baud rate of 9600. When PB13 is LOW (press the “Boot” button on LoRa-E5 Dev Board or LoRa-E5 mini), the module will stay in the bootloader, and keep transmitting “C” character every 1S at baud rate 115200.
Attention
1. Factory AT Firmware is programmed with RDP(Read Protection) Level 1, developers need to remove RDP first with STM32Cube Programmer. Note that regression RDP to level 0 will cause a flash memory mass to erase and the Factory AT Firmware can’t be restored again.
2. The “PB13/SPI_SCK/BOOT” pin on the LoRa-E5 module is just a normal GPIO, not the “BOOT0” pin of the MCU. This “PB13/SPI_SCK/BOOT” pin is used in the bootloader of the Factory AT firmware, to decide to jump to APP or stay in bootloader(for DFU). The real “BOOT0” pin doesn’t pinout to the module, so developers need to be careful when developing low-power applications.
2. Clock Configuration
2.1 HSE
-
32MHz TCXO
-
TCXO power supply: PB0-VDD_TCXO
2.2 LSE
-
32.768KHz crystal oscillator
3. RF Switch
LoRa-E5 module ONLY transmits through RFO_HP:
-
Receive: PA4=1, PA5=0
-
Transmit(high output power, SMPS mode): PA4=0, PA5=1
Specifications
General Parameters | |
---|---|
Voltage Supply: | 3.3V / 5V |
Power Output: | Up to +20 dBm at 3.3V |
Working Frequency | 868MHz / 915MHz |
Protocol | LoRaWAN |
Sensitivity | -116.5dBm ~ -136dBm |
Modulation | LoRa, (G)FSK, (G)MSK and BPSK |
Current | Only 60uA in sleep mode |
Size | 20*40mm |
Working Temperature | -40℃ ~ 85℃ |
Part List: | |
---|---|
Grove – LoRa-E5 PCBA *1 | |
Grove Universal Cable *1 |
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