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.
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Send text messages over ham radio with the HamMessenger
Adding new layers of communication to HAM radio with ArduinoRead now -
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 -
Fire foam balls from this Arduino-based wireless Nerf sentry turret
Build your own Nerf armoury with ArduinoRead now -
The P-CNC Plotter is a DIY drawing machine ‘disguised as a quadruped robot’
Build your own value CNC plotter with ArduinoRead now -
The Baldcorder is James Lewis’ tricorder-like device for measuring light levels and temperature
Build your own "Star Trek"-inspired devicesRead now -
This Arduino-powered robotic fish swims like the real thing
The Arduino-powered robotic fishRead now -
This radio tailors the morning news to your waking mood
Build a radio that offers content based on your mood.Read now -
This interactive beer pong table is lit, literally
Play exciting Beer Pong game with the power of ArduinoRead now
