Using a smart mechanical method with 2 SPDT (Single Pole Double Throw) switches, this system can automatically open and close the mini door by reversing the polarity of the DC motor. 🧠 What You'll Learn in This Video: ✅ How to wire 2 SPDT switches to control motor direction ✅ How to. 🔧 DIY Mini Security Door Using DC Motor & SPDT Switches – FULL TUTORIAL (No Arduino Needed) Welcome to my full step-by-step tutorial where I show you how to build a mini automatic security door using basic electronics like a DC motor, two SPDT switches, and plastic gears — no microcontroller, no. The Dado Door Sliding Track System will accommodate almost any size and type door panel, including glass, wood, and metal framed systems. Configurations include single or bipart dual door panels, quad bi-parting panels, and staggered telescoping panels. We offer Touch Screens and motion sensing. Custom belt drive package for new construction or renovation pocket door system designed to fit hidden within a 2 x 4 wall! [ i ] Parallax section below. Click on the section below to upload image. Don't worry if it looks weird in the Weebly editor. It'll look normal on your published site. Professional-grade engineering meets effortless installation. See. Pocket doors can either be opened with handles, like a standard door, or by using a pocket door pull, these flush pulls take advantage of a sliding mechanism that pocket doors offer, allowing the user to pull the door shut from the edge of the door as opposed to the front of the leaf.