Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
You should always use a series resistor, even at 3V.The leds I have burn out on anything over 3 volts.
You should always use a series resistor, even at 3V.
3V sounds too high for a red LED, it's normally 1.8V to 2V.