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A laboratory fume hood protects students only when air genuinely flows through the sash at a safe face velocity — a clogged f...
This project is an IoT battery monitor for a 12V 100Ah LiFePO4 pack: an ESP32 reads pack current through an INA219 sensor, sa...
Bridges tell you they are aging through vibration and tilt long before cracks show — if anyone is listening. This project bui...
A real alarm panel is a zone machine — every door, window and room is a supervised zone with an arm state, an entry/exit dela...
Stuffy classrooms make students drowsy, and nobody can feel CO2 rising — so ventilation happens by habit or not at all. This...
This project builds an IoT monitor for dairy milk chillers around an ESP32 node: two waterproof DS18B20 probes track chamber...
This project makes classroom air quality visible and actionable. An ESP32 monitor with an NDIR CO2 sensor plus temperature an...
This project builds an automatic headlight dimmer that switches a vehicle's headlamp between high and low beam without the dr...
This project builds a working miniature conveyor that sorts colored objects automatically — the same principle used in recycl...
