I found what I was looking for, a simple sketch to create a button. I did some minor massages, taking from the events_buttons_gestures_rotation.ino and figured it out.
#include <M5Core2.h> ButtonColors on_clrs = { RED, WHITE, WHITE }; ButtonColors off_clrs = { BLACK, WHITE, WHITE }; Button myButton(10, 10, 80, 60, false, "Button", off_clrs, on_clrs, TL_DATUM ); void setup() { M5.begin(); M5.Buttons.draw(); } void loop() { M5.update(); if (myButton.wasReleased()) Serial.print("* "); }Sir Michael