August 3, 2021 A Compact Bluetooth Voltage and Current Monitor This wireless measurement device allows for remote monitoring and data collection Read now
August 3, 2021 This DIY Version of the Classic LEGO Computer/Console Actually Works! Dyoramic's 3D-printed LEGO console runs on an ESP32 MCU and features four different modes. Read now
August 2, 2021 Display the Current Time in a New Way with This Clock That Uses Air Bubbles This glowing air bubble clock uses a series of bubbles within a liquid to emulate a typical dot-matrix display for showing digits Read now
August 2, 2021 Add a Customizable Digital Horn to Your Car! Tired of ordinary beeps? This device is capable of playing up to 83 sounds. Read now
August 2, 2021 Track Your Days with a Linear Clock With this clock, time is counted not in hours and minutes but in percentage points of a day. Read now
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