Category Archives: Arduino

Arduino controlled flamethrowing Jack-O’-Lantern

Randofo published the details on this flamethrowing Jack-O’-Lantern on Instructables. This bad boy is designed for remote control via Squidbee RF modules so you can shoot a one-second burst of flame on command. (As randofo observes, you should be able to substitute any Arduino/XBee combo for the SquidBee.) This definitely qualifies as a Dangerous (Halloween) […]

Arduino sound-responsive Halloween skull

Boris presents this project just in time for Halloween. It’s a simple Halloween skull which employs an Arduino to read the level from sound sensors and controls a servo connected to the skull’s mandible. You can see more project details and get the source code from the Open-Electronics website. Via the contact form.

Arduino powered jacket detects alcohol

This jacket just might save you from a DUI. Matt Leggett of New Zealand has designed a jacket that incorporates an Arduino-based alcohol sensor. A series of LEDs, stitched into the forearm, glow with an intensity varying with the amount of alcohol present in the wearer’s blood. The idea behind this innovative piece of clothing […]

Glass Block LED Matrix, controlled outdoors via tablet

Here is a video from Hive 13 that shows how an Android tablet is used to control a glass block LED matrix via a wireless connection. After installing a LED matrix behind a glass block wall in their bathroom, hackers at Hive 13 are figuring out a way to control them. After some initial struggles […]

Open-source energy monitoring system

Open-source energy monitoring system is being developed. This is a project to develop and build open-source energy monitoring, control and analysis tools for energy efficiency and distributed renewable microgeneration. The design uses the Arduino to read pulse signals from the utility meter to get information about overall consumption. It also uses current transformers to read […]

Controlling your home over the internet

Maurício developed a Arduino based project for controlling devices in your home over the web. The site is in Portuguese but the video has English captions. The project uses the ethernet shield to allow you to interface with the Arduino over the web, which in return controls relays. How to turn on lights, and various […]

HC-SR04 ultrasonic Arduino library

Carl Nobile has developed and released an Arduino library covering the HC-SR04 ultrasonic sensor. He writes: “It features timing, metric conversion, and standard deviation methods, plus a few support methods. It is written in C++ to conserve the namespace. The conversion formula can be easily modified to optimize the accuracy of conversion at different distances […]

DIY Arduino Ambilight using ShiftBrites

Don built an Amblight for his home theater PC. He put together this tutorial describing his build of a multichannel Arduino-based Ambilight. He estimates the BOM at $40 (in addition to the Arduino). The bill of materials include 6+ ShiftBrites (your call, I wouldn’t do less than 6 though), a printed circuit board, wire, and […]

Arduino based talking breathalyzer

The Hoz sent in a link to this Instructables by alinke detailing the build of a talking breathalyzer. The main components are a Seeeduino and the Seeed Music Shield, Twig Alcohol Sensor, and Twig Serial LCD all available from Seeedstudio. The open source code and other details can be downloaded from The Talking Breathalyzer site. […]

Chronoduino board v0.3

The Chronoduino uses an Atmega168PA microprocessor. On the peripheral side there is a DS1337 RTC, a BMP085 barometric/temperature sensor, and a MCP73831 Li-Po battery charging IC. Numerous headers as well as two buttons, LED, and a buzzer are on the board. The idea behind the project is to design an Arduino watch platform (hence, quite unimaginatively – Chronoduino) that’s also […]

Key less entry system using Ping))) and the Arduino

Mouser built a key-less entry system using Ping))) and the Arduino. The Ping))) ultrasonic sensor is used to gauge user’s hand positions. By moving the hand at different positions, a code is entered that opens the door. He used the moving average filter to keep the system from taking measurements while the hand was in motion. Source code, schematic diagram, as […]