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DIY motion activated camera

Posted on November 3, 2014 by R-B Leave a comment

Whether you are aiming to monitor your pets’ activities at home when you are gone or to surveil a particular location at your house or office, this DIY motion activated camera might be helpful to serve your purpose. The primary components used to build this camera are Raspberry Pi, Raspberry Pi camera module, PIR motion sensor, and USB WiFi adapter. The camera automatically takes still shots or record short videos when a motion is detected in the frame range of the camera. In addition, the photos and videos are automatically uploaded to the user’s Dropbox account for remote access.

Raspberry Pi powered dual-player arcade

Posted on November 3, 2014 by R-B Leave a comment

Who wouldn’t want an Arcade at home? Check out this neatly home-built dual player arcade machine powered by Raspberry Pi from rolfebox. This plays multiple types of retro games, including NES, SNES, Megadrive and MAME games. The author shares the details of this built on the original Instructables page.

Remote motion sensing and triggering for your DSLR

Posted on November 2, 2014 by R-B Leave a comment

We have seen Angelo making a homebrew USB condenser mic and piezoelectric power generator shoes before, both of which were kind of cool projects. Now he has come up with a remote motion sensing and triggering for a DSLR camera utilizing his favorite tool, Arduino. He proposed the applications of this project in wildlife photography, sports, and home security systems to take automatic photo shots when motion is sensed. His project has two main units. The first one is a Motion Sensing Beacon, which is located at a remote area where the motion activities are to be monitored. It consists of a

Animated robot mask for halloween

Posted on November 1, 2014 by R-B Leave a comment

I hope all of you had a wonderful and safe Halloween. Ours was great. We had a lot of fun taking out our 3-year old son, who dressed up like Curious George (his favorite cartoon character), for trick or treat in our neighborhood. The most difficult part of Halloween is choosing costumes for kids. We all want to do something different every year. And so did [melarky], who made a pretty neat animated robot mask for his oldest son to wear on Halloween this year. His robot mask uses Adafruit’s neopixel rings for robot eyes, an old iPhone running MouthOff app for its

Water softener salt level monitor

Posted on November 1, 2014 by R-B One comment

Hard water contains more minerals (calcium and magnesium) than ordinary water. Although it is non-toxic, it is less desirable as it can clog water pipes and complicate soap and detergent dissolving in water. It also builds up scales in water heaters over time, thus shortening their operational lifetime. In residential units, hard water is usually softened by installing a water softener unit connected directly to the water supply line. The water softner exchanges salt for the dissolved minerals, which results in softer water. David Cook’s water softener appliance stores the salt supply in a brine tank, which requires refilling in

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