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If your Arduino has a built-in WiFi or Bluetooth chip, such as ESP8266, it may have a separate LED that starts blinking as soon as you plug in the Arduino. Some Arduinos have two onboard power LEDs.
We can’t wait to see all the new projects (and new ways to blink an LED) the shield will enable. Posted in Arduino Hacks, Wireless Hacks Tagged arduino, ATECC108, Atmel, cryptoauthentication, Wi ...