WiFi LoRa 32(V3)

Arduino + ESP32 LoRa

Boards manager url: a

In boards manager install “Heltec ESP32 Dev Boards”

Libraries: Heltec ESP32 LORA

James’ Code

ESP_LoRa_Temperature.ino

temp_test.ino

Ryan Sketches:

https://github.com/blhack/haystackLoraMqtt

https://github.com/blhack/haystackLoraMqtt

MicroPython + ESP32 LoRa

Flashing MicroPython via esptool

If you are flashing MicroPython onto this board, you need to make sure you use the correct MCU and MicroPython Firmware.

MCU: ESP32-S3

ls /dev/{tty,cu}.*  # check usb devices for correct port 
esptool.py --chip esp32s3 --port /dev/tty.usbserial-0001 erase_flash # erase flash memory 
esptool.py --chip esp32s3 --port /dev/tty.usbserial-0001 write_flash -z 0 ~/Downloads/ESP32_GENERIC_S3-20240222-v1.22.2.bin

ESP32_GENERIC_S3-20240222-v1.22.2.bin

Tutorials

MicroPython: DS18B20 Temperature Sensor with ESP32 and ESP8266 | Random Nerd Tutorials

Pin Map