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This project builds a scanning "radar" that sweeps an HC-SR04 ultrasonic sensor through 180 degrees on a servo motor, measuri...
This project builds a wildlife camera trap: a PIR motion sensor watches a trail, and when an animal passes, it wakes an ESP32...
This project builds a long-range wireless weather station: a battery-powered ESP32 sensor node measures temperature, humidity...
This project builds a contactless attendance system where students tap RFID cards or tags on an RC522 reader connected to an...
This project builds a Bluetooth-based home automation prototype where an Android phone switches household loads through an Ar...
This project builds a flat-plate solar water heater with IoT monitoring: a glazed collector box with a black absorber plate a...
This project builds a working Geneva mechanism demo rig: a continuously rotating drive wheel with a single pin engages the sl...
This project builds an IoT pneumatic line pressure monitor: an MPX5700 pressure sensor on a small air line, read by an ESP32...
This project builds an IoT motor health monitor: an ESP32 node with an ADXL345 accelerometer on the motor housing and a tempe...
