In this exercise, you will build a connected window shade. Once a specified temperature has been reached, the Home Yún signals the Control Yún and allows it to close the shade.

You will build a test version and once it runs correctly, you will then add it to the other devices connected to the Home Yún.

Materials:

• Arduino Yún
• Jumper wires
• RGB LED
• Breadboard
• Push button
• Micro standard servo
• 10k resistor (The colors on it are brown , black, orange and gold)

Assembling the components

1. Glue shade onto slider

2. Fit standard micro servo through the corresponding slot in wall piece and attach the gear piece.

3. Lock slider into place

1. Open “e3_windowshade_test” from the examples.
2. Upload the sketch to your Control Yún.
3. Open the Serial Monitor and test the window shade extension and retraction.
4. If it works, disconnect the window shade section and connect it to the Home Breadboard Unit according to the overlay.

1. Once you have removed the window shade section, connect the RGB LED to your Control Yun.
2. Open “e3_windowshade_control” from the examples.
3. Upload the sketch to your Control Yún.
4. Once the Home Yún’s temperature has gone above a specified threshold, you should then be able press the button to extend the window shade. If the temperature goes below the threshold, the window shade will automatically retract.