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This project builds an LPG safety node that does more than beep: an MQ-6 gas sensor watches the air around the cylinder, and...
This project builds a working 4-degree-of-freedom robotic arm powered by water hydraulics — syringes, tubing and small cylind...
This project builds a tabletop horizontal-axis wind turbine — 3D-printed blades, servo-actuated pitch control, an anemometer...
This project turns an ordinary motorcycle helmet into a connected safety device: an MPU6050 inertial sensor watches for crash...
This project builds a drunk-driving prevention prototype: an MQ-3 alcohol sensor samples the driver's breath, and if the read...
This project builds a weather station with a difference: instead of a glowing LCD, it shows the forecast on an e-paper displa...
This project builds a vehicle tracker that answers "where is my vehicle?" by text message: an Arduino with a NEO-6M GPS recei...
This project builds an electronic door lock that opens for either a keypad PIN or an RFID card, and records every access atte...
This project builds a digital notice board where announcements typed on any phone or laptop appear seconds later on a bright...
