LoRa-E5 Development Kit1
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LoRa-E5 Development Kit is an easy-to-use compact development toolset for you to unlock the powerful performance of the LoRa-E5 STM32WLE5JC. It consists of a LoRa-E5 Dev Board, an antenna(EU868/US915), a USB type C cable, and a 2*AA 3V Battery Holder.
LoRa-E5 Dev Board embedded with LoRa-E5 STM32WLE5JC Module, which is the world-first combo of LoRa RF and MCU chip into one single tiny chip and is FCC and CE certified. It is powered by ARM Cortex-M4 core and Semtech SX126X LoRa chip, supports both LoRaWAN and LoRa protocol on the worldwide frequency and (G)FSK, BPSK, (G)MSK, and LoRa modulations. （Learn more about LoRa-E5)
Ultra-low power consumption and high performance
Easy testing and rapid prototyping
Full GPIOs led out to rich interfaces, including RS-485, Grove, and etc.
Global LoRaWAN® and LoRa frequency plan supported
Long-distance transmission range to 10km (ideal value in open area)
LoRa-E5 Dev Board features an ultra-long transmitting range, extremely low chip power consumption, and user-friendly interfaces.
LoRa-E5 Dev Board has a long-distance transmission range of LoRa-E5 up to 10km in an open area. The sleep current of LoRa-E5 modules on board is as low as 2.1 uA(WOR mode). It is designed with industrial standards with a wide working temperature at -40 ℃ ~ 85℃, high sensitivity between -116.5 dBm ~ -136 dBm, and power output up to +20.8dBm at 3.3V.
LoRa-E5 Dev Board also has rich interfaces. Developed to unlock the full functionality of the LoRa-E5 module, LoRa-E5 Dev Board has led out full 28 pins of LoRa-E5 and provides rich interfaces including Grove connectors, RS-485 terminal, male/female pin headers for you to connect sensors and modules with different connectors and data protocols, saving your time on wire soldering. You could also easily power the board by connecting the battery holder with 2 AA batteries, enabling temporary use when lacking an external power source. It is a user-friendly board for easy testing and rapid prototyping.
Since LoRa-E5 is a LoRaWAN chip with an MCU, there are three main ways to utilize the LoRa-E5 Dev Board:
1. Connect LoRa-E5 Dev Board to PC via USB and control by AT commands
There is a built-in USB to UART function on board, you could just simply connect the LoRa-E5 Dev Board to your PC with a USB type C cable, and use serial communication software to send AT commands and read data from the board
2. Connect LoRa-E5 Dev Board to another mainboard via UART and control by AT commands
For example, connect LoRa-E5 Dev Board to Seeeduino XIAO and the Expansion Board via UART, and send AT commands and read data from Seeeduino XIAO through Arduino IDE serial monitor.
3. Develop user application by using SDK
Develop your own LoRa development board with MCU function by using STM32Cube Programmer, which is the SDK officially provided by STMicroelectronics. To download this SDK resource, please find the resources in learning and document down below.
With all the outstanding features listed above, the LoRa-E5 Dev Board will be a superior choice for IoT device development, testing, prototyping, and applications in long-distance, ultra-low power consumption IoT scenarios like smart agriculture, smart office, and smart industry.
LoRa-E5 module Easy testing
Rapid prototyping of LoRa devices with LoRa-E5
Any long-distance wireless communication application development
LoRa and LoRaWAN application learn and research
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.
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.
TCXO power supply: PB0-VDD_TCXO
|LSE||32.768KHz Crystal Oscillator|
|LoRa-E5 module ONLY transmits through RFO_HP||Receive: PA4=1, PB5=0|
Transmit(high output power, SMPS mode): PA4=0, PB5=1
|Size||LoRa-E5 Dev Board: 85.6*54mm Package: 200*130*50mm|
|Voltage - Supply||3-5V (Battery) / 5V(USB Type C)|
|Voltage - Output||EN 3V3 / 5V|
|Power - Output||Up to +20.8dBm at 3.3V|
|Frequency||EU868 / US915 / AU915 / AS923 / KR920 / IN865|
|Sensitivity||-116.5dBm ~ -136dBm|
|Interfaces||USB Type C / JST2.0 / Grove*3(IIC*2/UART*1) / RS485 / SMA-K / IPEX|
|Modulation||LoRa, (G)FSK, (G)MSK, BPSK|
|Working Temperature||-40℃ ~ 85℃|
|current||LoRa-E5 module sleep current as low as 2.1uA (WOR mode)|
LoRa-E5 Wireless Module
LoRa-E5 mini (STM32WLE5JC)
Seeeduino Lotus V1.1 - ATMega328 Board with Grove Interface
Seeeduino XIAO – Arduino Microcontroller – SAMD21 Cortex M0+
Wio Terminal: ATSAMD51 Core
Grove - Branch Cable for Servo (5 pcs)
Grove - Universal 4 Pin Buckled Cable
Grove - Wrapper
Grove – 4 Pin Female Jumper To Grove 4 Pin Conversion Cable (5 Pcs Pack)
Grove – 4 Pin Male Jumper To Grove 4 Pin Cable (5 Pcs Pack)
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