Hello friends, I hope you are doing well. In today's tutorial, I am going to share our SX1278 LoRa Proteus Library . It adds the popular Ai-Thinker Ra-02 module to Proteus. We can place two of these modules in one design, connect each of them to an Arduino Uno and send messages from one board to the other at 433 MHz. The receiver prints every message with its signal strength and its signal-to-noise ratio, and a row of distance buttons moves the two radios up to 20 km apart. First, we will look at the SX1278 chip, the Ra-02 board and the basics of LoRa. Then we will install the library files, wire the circuit and run the supplied two-Arduino simulation. The main part of this tutorial is the control panel of the module. We will read every line of it and test how the distance, the spreading f ...