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window-curtain-automation-c788af.md

Motorising an old curtain for $30. With a push of a button, the curtain opens and closes.

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Got something you want to see the Wedge Hacker automate? Great! Just drop your idea in the comments section ( I read all comments, literally).

Watch the full step-by-step guide in my channel: https://youtu.be/4MkzWm-Dlpo

🛠️ เจาะลึกเบื้องหลังการทำงาน (Deep Dive / Technical Analysis)

The Window Curtain Automation project brings luxury smart home features to your standard window treatments. Imagine waking up as your curtains slowly, silently glide open to let in the morning sun, and automatically closing at night for privacy.

Stepper Motors for Precision

While DC motors are fast, they are hard to control accurately. This project uses a Stepper Motor (like the 28BYJ-48 or NEMA 17).

  • Steps: Stepper motors rotate in exact increments (e.g., 1.8 degrees per step).
  • The Logic: The Arduino counts exactly how many steps are needed to travel from "Fully Closed" to "Fully Open." This ensures the curtains never crash into the wall or bunch up forcefully.

Modes of Operation

  1. Light Sensing: An LDR (Photoresistor) placed against the window glass tells the Arduino when the sun has risen (Trigger Open) or set (Trigger Close).
  2. Time Based: Using an RTC (Real-Time Clock), you can schedule the curtains to open exactly at 7:00 AM.
  3. Manual Override: Physical push buttons (or an IR remote) let you adjust them manually.

Hardware Components

  • Arduino Uno: The brain.
  • Stepper Motor & Driver Board (ULN2003 or A4988): For precise pulling power.
  • Timing Belt and Pulleys: The mechanical linkage to drag the curtain rings.
  • LDR / Photoresistor: For light sensing.

The Mechanical Challenge

The true challenge of this project isn't the code; it's the mechanical mounting. You will learn about tensioners, 3D printed brackets, and converting rotational motion into linear motion.

ข้อมูล Frontmatter ดั้งเดิม 

title: "Window Curtain Automation"
description: "How to automate any Window Curtain for $20"
author: "wedgehacker"
category: "Home & Automation"
tags:
  - "Home Automation"
views: 8435
likes: 1
price: 1499
difficulty: "Intermediate"
components:
  - "1x Push-button Switch (momentary)"
  - "1x Soldering iron (generic)"
  - "1x Stepper Motor Bracket"
  - "1x Motor Driver (L298N)"
  - "1x Screw Driver (minus)"
  - "1x Pulley Belt Set"
  - "1x Wires"
  - "1x Relay Module (1-Channel)"
  - "2x Resistor (10k Ohm)"
  - "1x Arduino Uno Rev3"
  - "1x Stepper Motor (NEMA-17)"
  - "1x 12v Power Supply"
tools: []
apps:
  - "1x Arduino IDE 2.0 (beta)"
downloadableFiles:
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seoDescription: "Create a Window Curtain Automation system for $20. Learn to use Arduino and Servo motors in this easy DIY project."
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