#include <M5Stack.h>
void setup() {
  M5.begin();
  M5.Power.begin();
}
void loop() {
  M5.Lcd.fillTriangle(random(M5.Lcd.width() - 1), random(M5.Lcd.height() - 1), random(M5.Lcd.width() - 1), random(M5.Lcd.height() - 1), random(M5.Lcd.width() - 1), random(M5.Lcd.height() - 1), random(0xfffe));
  M5.update();
}