LoRa-E5-mini
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| Project LoRa E5 | |
|---|---|
| Arduino on the LoRa-E5 module | |
| Status | In progress |
| Contact | bertrik |
| Last Update | 2021-10-08 |
The plan
This page is about the LoRa-E5 module and getting it to work as a LoRaWAN node with Arduino and the BasicMac stack.
- replace the original "AT" firmware with Arduino based firmware
- use the BasicMac library for LoRaWAN
- use platformio as the build system
- create some basic examples for use as a LoRaWAN node on TheThingsNetwork
Hardware
The hardware is the LoRa-E5 module from seeed studio, contains the STM32WLE5JC:
- LoRa E5 module (just the chip): https://www.seeedstudio.com/LoRa-E5-Wireless-Module-p-4745.html
- LoRa E5 mini dev board: https://www.seeedstudio.com/LoRa-E5-mini-STM32WLE5JC-p-4869.html
- LoRa E5 wiki page: https://wiki.seeedstudio.com/LoRa-E5_STM32WLE5JC_Module/
- FCC information about the module: https://fccid.io/Z4T-LORA-E5/
Overview of pins used on this board (not completely standard): https://wiki.seeedstudio.com/LoRa_E5_mini/#22-gpio-configuration-overview
Programming an STM32 is done with pins SWDIO (PA13), SWCLK (PA14), GND and VCC
Software
https://github.com/bertrik/lora-e5
There appears to be support for various kinds of WL55 boards: https://github.com/stm32duino/Arduino_Core_STM32/blob/main/boards.txt