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Blynk + Node.js + Johnny-Five: drive a Pan-Tilt PTZ SG90 kit on Orange Pi with an Arduino / Firmata


christophe
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In the previous tutorial, we saw how to replace the GPIO of the Orange Pi with an Arduino (using the Firmata firmware) and then how to create a Javascript script to drive a Led from a smartphone with the Blynk and Johnny-Five library. In this tutorial we will implement a new method to drive a…

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