Daniel Eichhorn (https://github.com/squix78)
LeRoy Miller (https://github.com/kd8bxp)
Rene Nyfenegger: http://www.adp-gmbh.ch/cpp/common/base64.html
ALEXANDER MYLNIKOV https://www.mylnikov.org
#define TFT_WIDTH 240 // was 320
#define TFT_HEIGHT 320 //was 240
VCC - 3.3
GND - GND
CS - 14
RESET - 33
D/C - 27
SDI - 23
SCK - 18
LED - Vin
Buttons (not all devboard expose those pins. You can change this changing rows of M5Stack\src\utility\Config.h)
#define BUTTON_A_PIN 39
#define BUTTON_B_PIN 38
#define BUTTON_C_PIN 37
https://github.com/m5stack/M5Stack
https://github.com/bblanchon/ArduinoJson
https://developers.google.com/maps/documentation/embed/get-api-key