async transmit() {
      // time = 1200 / words per minute
      // 20 words per minute
      // follows a 3 to 1 ratio
      // 60 milliseconds for one dot
      // 180 milliseconds for a dash
      // multiplied by factor of 4 to slow it down here
      const dot = 60 * 4;
      const dash = 180 * 4;

      this.showMorse = '';
      const messageUpper = this.message.toUpperCase();
      for (const char of messageUpper) {
        this.showMorse = this.showMorse + '(' + char + ') ';
        const morseValue = this.morseTranslation[char];
        for (const morse of morseValue) {
          this.showMorse = this.showMorse + ' ' + morse;
          if (morse === '.') {
            // dot
            await this.flashlight('yellow', dot);
            // show white light to show when flash is finished
            await this.flashlight('white', 60);
          } else {
            // dash at 3 X 60 or 180
            await this.flashlight('yellow', dash);
            // show white light to show when flash is finished
            await this.flashlight('white', 60);
          }
        }
      }
  }