Topic

Grade Seven

78 articles

The Secret Agent Alarm – Building a Simple Intruder Detector Ever wanted to protect your…

Aravinth R 5 min read

Electronics DIY Paper Piano: Can a Piece of Paper Really Play Music? Have You…

Aravinth R 7 min read

(2026) Motion to Magic: Build Your Own Automatic Door with a PIR Sensor …

Aravinth R 6 min read

Emergency Help Button – Overview The Emergency Help Button is a beginner-friendly STEM project that demonstrates how a push button…

Aravinth R 6 min read

Activity Build a Blinking Lighthouse : How flashing lights and electronic circuits work…

Aravinth R 5 min read

Parking Sensor with micro:bit (Block-Based Coding) This project teaches students to simulate a parking…

Aravinth R 4 min read

Activity How sensors and electronic circuits work together — and what your…

Aravinth R 5 min read

(2026) Build a Touch Sensor Lamp: What your touch sensor lamp can teach…

Aravinth R 5 min read

(2026) Why Don’t Satellites Fall Back to Earth? The Amazing Secret Behind Satellites…

Aravinth R 4 min read

Easy Homemade Eyedropper Hydrometer: Overview Have you ever wondered why some objects float better…

Aravinth R 4 min read

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