Two mobiles. Connection Server - Client by Bluetooth. LDR trigger a relay

Tutorials and Guides Internet of Things
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- Proposals.

1.- Change the circles on the Server and the buttons on the Client.

2.- Perform this same technique using CloudDB or FireBase.

3.- Use a Slider component and send luminance levels (gray tones) to the LDR, measure its value with the ohmmeter.

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