USB controllable panel mount and tower-light samples What can we say, we like tower lights and other notification systems. But they're often 12V and require a controller. These alerts are panel-mount friendly AND come with a USB cable for power and data. When plugged into a computer or Raspberry Pi they appear as a serial port. Send bytes over to turn on the red, yellow or green LEDs, the tower lamp also has a loud buzzer which we only turned on for 100ms because its SUPER LOUD and we don't want