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This project keeps watch over an enclosed 3D printer — a hot box where temperature, humidity and filament fumes all matter. A...
Air velocity is usually measured with expensive handheld instruments or guessed at entirely. This project builds the measurem...
This project builds a small wearable sensor that nudges desk workers out of a slouch. An MPU6050 accelerometer/gyroscope on a...
Overflows waste water and dry-running burns pumps out, yet most tank setups rely on someone watching. This controller closes...
Two planter zones rarely need the same water — one may hold a thirsty vegetable bed, the other a drought-tolerant herb pot. T...
This project tells recyclers exactly when to collect e-waste: an ESP32 node with an HC-SR04 ultrasonic sensor measures the fi...
This project watches warehouse conditions zone by zone: ESP32 sensor nodes read temperature and humidity (DHT22), air quality...
This project tells waiting passengers whether the approaching bus has seats: an ESP32 on the bus counts boardings and alighti...
This project counts people flowing through campus gates: an ESP32 reads pairs of IR break-beam sensors per lane — beam A-then...
