Arduino Technology

Here’s the source code for the Arduino + PING))) + 7-Segment Shield ultrasonic distance sensor project I build for this video. It is the progenitor of my Arduino Nerf sentry gun code, which I’ll be posting soon. Warning: my code gets the job done, but isn’t elegant.
Distance Ping Alarm source

In the Maker Shed

PING))) sensor

7-Segment Shield


John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at and twitter/IG @johnedgarpark

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