arduino-uno-thermometer/heart_beat.h

#pragma once

#include "node.h"
#include "led.h"

class HeartBeat final : public Node {
public:
  explicit HeartBeat(uint8_t pin) noexcept;

  void init() noexcept override;
  void update(unsigned long deltaMillis) noexcept override;

private:
  Led led_;
  unsigned long t_;
};