DIY simple smart home system with a component which cost less than 30$ and in less than 45 min
Description :
In this on line workshop we will control an Ac lamp with a smartphone via Bluetooth.
This project is great to learn more about:
1. 5 pin Relay
2. Interfacing Arduino with your smartphone
3. Bluetooth module HC-05
4. transistor 2222A
5. diode
Price : $20 FREE
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