Merge 8d3435e into c81033f

lib/button.js

@@ -182,13 +182,6 @@ class Button extends Emitter {
       last: null
     };
 
-    // Create a debounce boundary on event triggers
-    // this avoids button events firing on
-    // press noise and false positives
-    const trigger = Fn.debounce(key => {
-      aliases[key].forEach(type => this.emit(type));
-    }, 7);
-
     let pinValue = typeof options === "object" ? options.pin : options;
 
     Board.Component.call(
@@ -210,6 +203,11 @@ class Button extends Emitter {
 
     this.pulldown = options.pulldown || options.isPulldown || false;
 
+    // `debounceTime` is a duration (milliseconds)
+    // to prevent button events firing on
+    // press noise and false positives
+    this.debounceTime = options.debounceTime || 7;
+
     // Turns out some button circuits will send
     // 0 for up and 1 for down, and some the inverse,
     // so we can invert our function with this option.
@@ -275,6 +273,13 @@ class Button extends Emitter {
       }
     });
 
+    // Create a debounce boundary on event triggers
+    // this avoids button events firing on
+    // press noise and false positives
+    const trigger = Fn.debounce(key => {
+      aliases[key].forEach(type => this.emit(type));
+    }, this.debounceTime);
+
     /* istanbul ignore else */
     if (typeof this.initialize === "function") {
       this.initialize(options, data => {