1.2.4 Power Indication
The supply power indicator is a red LED (PWR) that illuminates when the board has power. This will work for both 3.3V or 5V supply options and will light over the full range of power supply voltage for all devices.
The supply power indicator is a red LED (PWR) that illuminates when the board has power. This will work for both 3.3V or 5V supply options and will light over the full range of power supply voltage for all devices.