Read Digital icon Read Digital Read TTL digital input from an ARC I/O port; real-time red/green status for low (0V) or high (+3.3/5V), selectable board/port and read interval. Try it →
Tutorial
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The Robot Program Episode 022: Detect Face And Wave - EZ-Script

Step 17 of 27
Step 16

Click on the Pencil Icon to access the script editor. Close the Blockly prompt.

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