Method componentDidMount

src/Components/SerialChart.js:206–212

()

  timer = null;
  componentDidMount() {
    // This will refresh the chart as often as indiciated
    // in the variable refreshRate
    this.timer = setInterval(() => {
      this.updateChart();
    }, refreshRate);
  }

  componentWillUnmount() {
    clearInterval(this.timer);