 void loop() {
   M5.update();
  
-  // if want use Releasefor; suggest use Release in press event
+  // if you want to use Releasefor("was released for"), use .wasReleasefor(int time) below
   if (M5.BtnA.wasReleased()) {
     M5.Lcd.print('A');
   } else if (M5.BtnB.wasReleased()) {

  M5.Lcd.setCursor(65, 10);
  M5.Lcd.println("Button example");
  M5.Lcd.setCursor(3, 35);
  M5.Lcd.println("Press button B 700ms clear");
  M5.Lcd.setTextColor(RED);
}


/*
    Name:       button.ino
    Created:    2018/9/21 14:06:15
    Author:     sakabin
*/

#include <M5Stack.h>
// The setup() function runs once each time the micro-controller starts
void setup() {
  // init lcd, serial, but don't init sd card
  M5.begin(true, false, true);
  M5.Lcd.clear(BLACK);
  M5.Lcd.setTextColor(YELLOW);
