In this video I play around with the LoRa communications protocol using an ESP32 and ESP-IDF. For a video showing how to hook up a base bones LoRa board see here
• ESP32 with External Lora Board
What is LoRa
https://www.semtech.com/lora/what-is-...
Espressif Hardware Reference
https://docs.espressif.com/projects/e...
ESP-IDF Getting Started
https://docs.espressif.com/projects/e...
The Lora32 boards I am using
https://heltec.org/project/wifi-lora-32/
For a setup with a standard ESP-32 see here
• ESP32 with External Lora Board
Arduino Code for LoRa
https://github.com/HelTecAutomation/H...
SX1276 LoRa IC
https://semtech.my.salesforce.com/sfc...
Eclipse ESP-IDF plugin instructions
https://github.com/espressif/idf-ecli...
ESP-Prog debug board (haven't tried this yet!)
https://www.amazon.com/gp/product/B08...
My github repo for the code
https://github.com/thaaraak/Lora
0:00 Intro
0:24 What is LoRa
1:58 ESP32 Hardware
3:07 The Espressif ESP-IDF development framework
4:52 Pinout for the LoRa 32 ESP board
6:24 Closeup of the Board
7:23 Demo of LoRa
8:33 Eclipse and the ESP-IDF plugin
13:26 LoRa code walkthrough (SPI)
18:02 Spreading Factor and Bandwidth
20:10 Setting the LoRa TX power
22:57 Writing a message with LoRa
25:17 Reading a message from LoRa
29:24 The OLED (i2C)
33:15 Off for a drive and a distance check
34:38 Distance results and wrap up