Uploaded April 2026 | Updated September 2026, 4 hours ago

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Ever wondered how staircase lights work? 💡🏠Sadhana and Aash break down the SPDT (Single Pole Double Throw) switch! Watch how this clever circuit allows you to control one light from two different spots—perfect for staircases and hospitals. ⚡🏥What’s inside?✅ The SPDT mechanism explained✅ How 2-way switching works✅ Real-world engineering in action!At LMES Foundation, we’re transforming curiosity into capability. 🚀Want more STEM hacks?
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