Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
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Step 3: Connect the board
The USB connection with the PC is necessary to program the board and not just to power
it up. The Uno and Mega automatically draw power from either the USB or an external
power supply. Connect the board to your computer using the USB cable. The green
power LED (labelled PWR) should go on.
Step 4: Open Lesson 1: LED blink
Open the LED blink example sketch: CD > For Arduino>Demo Code>Lesson1-LED_bink>led_blink.