Code:
/* RASPBERRY PI One-Page LoRa TRANSMITTER
*
* AI Ra-01_V1.0 Semtech SX1278
*
* LoRa Pi
* 3.3V 3.3V Red
* GND GND Black
* SCK SCLK Yellow
* MOSI MOSI Green
* MISO MISO Orange
* NSS CE0 White
* RESET #18 Brown
* DIO0 ------1k------- #24 Grey IRQ pulled down + 1k current limiter
* Pi3.3V--button--1k-->
...