Senior year
2024–25
A window blind that opens itself in the morning
Press the green button before bed. Eight hours later a motor tilts the slats open and daylight wakes you up.
- A 12 V planetary gearmotor sits in the end of the head rail and turns the tilt mechanism directly. It replaces the wand.
- An Arduino Uno with an Adafruit Motor Shield runs the timer and drives the motor.
- Two buttons and one LED. The LED confirms the timer has started.
- The printed motor tray slides into the head rail, so only the button box shows beside the slats.
- The blind mounts on the front of the window frame. The Arduino and battery sit in a second printed box, up inside the opening behind it.
- Senior design
project - Catonsville
High School
Taken apartDrawn from photos of the prototype. Drag to turn.
Parts
- 1Head rail and slatsThe stock blind. The tilt rod runs inside the rail.
- 2Hex shaftCouples the motor straight to the tilt mechanism.
- 3Gearmotor12 V, planetary gearbox, encoder. It lies in the tray.
- 4Motor housing3D printed. The tray slides into the end of the rail. The button box stays outside, beside the slats.
- 5Buttons and LEDGreen starts the timer. The LED shows it is running.
- 6Arduino Uno and Motor ShieldThe shield plugs into the top of the Uno.
- 712 V battery packPlugs into the motor shield.
- 8Electronics enclosure3D printed. Tucked up under the top of the window opening, behind the blind. A sheathed cable runs to the button box.
- 9Window frameThe blind mounts on the front of the frame, so it covers the whole window and the button box can sit off to the right. The prototype itself was built on a wooden test stand.







