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+/*
+ Copyright 2021 Peter Harrison - Helicron
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ This example creates a single encoder instance that is updated by
+ a timer interrupt running at 1kHz. If a change is detected
+ in the main loop, the current count is sent to the serial port.
+ 
+ Be sure that the timer interrupt is frequent enough that it cannot miss
+ a change in pin state.
+ */
+
+#include <Arduino.h>
+#include <BasicEncoder.h>
+#include <TimerOne.h>
+
+BasicEncoder encoder(2, 3);
+
+/****************************************************************/
+void timer_service() {
+  encoder.service();
+}
+
+void setup() {
+  Serial.begin(115200);
+  Timer1.initialize(1000);
+  Timer1.attachInterrupt(timer_service);
+  encoder.set_reverse();
+}
+
+void loop() {
+  int encoder_change = encoder.get_change();
+  if (encoder_change) {
+    Serial.println(encoder.get_count());
+  }
+  
+}