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Topic: Bluetooth opener door (Read 567 times) previous topic - next topic

1cb03cf

I want to open my door by bluetooth. It's got an electric lock.
This is my project: I'll connect my Arduino and a relay to the transformator (12v) in parallel, so I can open my door with the interphone too. Arduino is activated, thank's to the bluetooth module, from an app I've already installed in my android.
My questione is: Could be this dangerous? Are there any problems? Thank's and sorry for my english!

Bainesbunch

Could be this dangerous? Are there any problems? Thank's and sorry for my english!
Get us some diagrams, there are always problems, your English is good enough for me to understand you , so dont worry there.

Cheers Pete.
EmbeddedAT .. From Concept to Prototype to Production
Electronics and firmware design and project mentoring
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