LoRa-E5 mini (STM32WLE5JC)1
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LoRa-E5 mini leads out all GPIOs of LoRa-E5, including UART, ADC, SPI, IIC, and etc. It contains RESET and BOOT buttons and is use-friendly. Supporting LoRaWAN protocol, LoRa-E5 mini-features ultra-long-range transmission, and ultra-low power consumption: it is able to achieve a transmission range of up to 10 km, and 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 -116.5dBm ~ -136 dBm, and power output up to +20.8 dBm at 3.3V.
Other than the LoRa-E5 mini, we also provide other choices including the LoRa-E5 Development Board carrying more complex interfaces and features to unlock the more powerful performance of the LoRa-E5 module. It provides a broader range of access protocols and superabundant types of interfaces. Thus you are able to test and prototype the module rapidly with RS-485, Grove interfaces, and rich GPIOs. (Learn more about LoRa-E5 Development Board)
Since LoRa-E5 is a LoRaWAN chip with an MCU, there are three main ways to utilize the LoRa-E5 mini:
1. Connect LoRa-E5 mini to PC and control by AT commands
There is a built-in USB to UART function on board, you could connect the LoRa-E5 mini 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 mini to another mainboard via UART and control by AT commands
For example, connect LoRa-E5 mini 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. User Application Development 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 mini 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.
Full GPIOs led out from the Lora-E5 STM32WLE5JC
Global LoRaWAN® and LoRa frequency plan supported
Long-distance transmission range to 10km (ideal value in open area)
Mini and compact size, suitable for rapid testing and building small size prototype
Convenient RESET and BOOT buttons on board
LoRa-E5 module Easy testing
Rapid small-dimension 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 the "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
|Voltage - Supply||3.7V - 5V|
|Power - Output||up to +20.8 dBm at 3.3V|
|Sensitivity||-116.5 dBm ~ -136 dBm|
|interfaces||USB Type C / 2P-2.54mm Hole / 1*12P-2.54mm Header*2 / 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 Development Kit
LoRa-E5 Wireless Module
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 - LoRa-E5 (STM32WLE5JC)
Grove - Universal 4 Pin Buckled Cable
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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