Introduction: D-duino QR Code Display

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This project is very easy but useful.

Prepare 1 D-duino

Step 1: Follow Github Project

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Then follow this project ESP8266 QRcode

Step 2: Check With Your Smartphone

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Do not forget change SDA,SCL pin to D1, D2. D-duino can show a lot of information from WiFi.

You can add useful information to your code.

Then check with your smartphone.

See, I can read Helloworld.

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