July 30, 2021 Recreating a Roadside Speed Sign Using an Arduino Nano and Doppler Radar See how John McNelly created this true-to-life speed sign that uses Doppler radar and over 250 LEDs to display someone's speed. Read now
July 30, 2021 Send text messages over ham radio with the HamMessenger Adding new layers of communication to HAM radio with Arduino Read now
July 30, 2021 This Raspberry Pi-Based Parking Lot Monitor Detects Unauthorized Vehicles For a university project, Codrin used a Raspberry Pi to create a system that detects unauthorized vehicles. Read now
July 29, 2021 This 4x4x4 LED Cube Needs No Wires, Drawing Power From a Smartphone Over Qi Wireless Charging An Arduino Nano provides the logic, but power comes courtesy of a Qi charging loop — making use of a smartphone's reverse-charge feature. Read now
July 29, 2021 Fire foam balls from this Arduino-based wireless Nerf sentry turret Build your own Nerf armoury with Arduino Read now
July 29, 2021 Raspberry Pi-Powered, 3D-Printed Weather Station Proves Its Worth in Months-Long Scientific Study A study led by the University of Oklahoma proved that a low-cost homebrew weather station is more than a match for high-priced equivalents. Read now
July 28, 2021 Paul Brown's 1U Server Build Crams Five Raspberry Pis Into Low-Cost Colocation Facilities Considerably more cost-effective than cloud services, this 1U server is designed to meet low-cost colo power and space requirements. Read now
July 28, 2021 Avoid an Embarrassing Situation at Your Next Zoom Meeting with This Presence Sensing Webcam Automatically control webcams with Zoom meetings Read now
July 28, 2021 The P-CNC Plotter is a DIY drawing machine ‘disguised as a quadruped robot’ Build your own value CNC plotter with Arduino Read now