New <em>Daybreak</em> AT&T commissioned short film features Nikola Tesla Daybreak film segment featuring a model of Tesla'sWardenclyffe Tower Joe Kinney, Senior Project Engineer of the New Yorker Hotel, contacted me recently to inform me of a new short film featuring Nikola Tesla. The film was produced by Ridley Scott Associates and was commissioned by AT&T to promote their mobile technology. The plot of the story revolves around the main character's attempt to unravel the mysterious death of his father who was on the verge of discovering the secrets of Tesla's wireless power transmission. The film is action-packed and very interesting. It features a hidden Tesla laboratory (who knew Tesla had spun aluminum toroids?) The film is divided into five parts, each around 10-15 minutes long, and the first three can be watched now at: It's really nice to see the recent peak of interest in Tesla. Cameron B.
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"Spaghetti" IP Cam / Arduino Motion Detect Sprinkler | unmaintained Posted by Phil Tucker on June 17, 2012 After a neighbourhood dog decided my front lawn was a fantastic place to poop on and his owners decided that they don’t care for bylaws I set upon finding a solution. Sure you could try cayenne pepper, mothballs, ammonia or even marking your own territory (take that!) but I already had an IP camera monitoring my front yard for security purposes, so I figured I’d just hook up an Arduino and a sprinkler valve. This yard defense solution has two added benefits, it keeps my lawn healthy (I can set up timed watering through this system) and it sends offending dogs home stinkin’ wet. When the IP camera detects motion in configured regions of its video stream (the rectangles in the screenshot) it triggers one of its General Purpose Input/Output ports (GPIO). The TRENDnet IP camera I employed works great as it already records video of events to network or attached storage, sends email alerts with snapshots and allows manual triggering of its GPIO. Parts
DIY Sous Vide Cooker with Feedback Control Sous-vide cooking involves cooking food in sealed plastic bags inside a temperature controlled water bath. It's a technique that's been around for a few decades, but is just beginning to be popular in the home kitchen. We decided to give it a try by using a NerdKits microcontroller kit plus some items from our local Wal-mart and Home Depot to construct a sous vide cooker. Normal cooking techniques, like heating in a pan or oven, rely on heating the outside surface of food via convection or conduction. In contrast, sous vide cooks the food for a long time at the final desired temperature. Click any photo to enlarge: Warning: There are food safety issues associated with low-temperature cooking. Warning: Some parts of this project involve working with AC line voltage. Here's a video recipe we made for some incredibly delicious sous vide scallops: Melt butter. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness.
LCD monitor repair I have noticed that many people find my blog when looking for monitor repair ideas. So here is another one of my ideas for monitor repair. I have in the past fixed laptops by retrofitting them with LED's. The problem with this monitor is that the power supply for the vacuum tube back lighting dies. The first step is to totally disassemble the monitor into little pieces, then carefully remove the gold colored trays that hold the vacuum tubes. The LED's are spaced at about 1/2 inches apart by using the edge of a cardboard box as can be seen below. This is a schematic drawing of how it is all wired up. This is what the LED's look like in the tray. This is what it looks like with the bottom tray full of LED's. As you might be able to guess the labor far exceeds the value of the fixed monitor. The picture below shows what it looks like compared to a laptop. The LED's used were 3mm 16,000 MCD bright white LED's found on EBay.
An Inside Look at the Insanely Complex Formula 1 Steering Wheel | Autopia The steering wheel of the Sauber C33 Formula 1. Everything a driver might need to do, and every bit of information he might need to know, is literally at his fingers. Photo: nph / Dieter Mathis/picture-alliance/dpa/AP Images The modern Formula 1 car is among the most amazing machines ever made. The modern Formula 1 steering wheel is, therefore, the most amazing ever made. That’s because an F1 car has dozens of parameters that can be adjusted on the fly, but only by the driver. The PCU-8D LCD screen, made by McLaren Electronics, is 4.3 inches wide with a resolution of 480 x 272 pixels. So What Do All Those Buttons Do, Anyway? The photo above shows the steering wheel from the Sauber C33, the cars Esteban Gutiérrez and Adrian Sutil are campaigning this season. That’s a lot to process, and it doesn’t even include the pages of data that can be relayed through the LCD screen.
MPPT Lead Acid Battery Charger Circuit | Homemade Circuit Projects The post explains a simple yet effective MPPT lead acid battery charger circuit using the IC bq2031 from TEXAS INSTRUMENTS. Abstract This practical application article is for the individuals who may be developing an MPPT-based lead acid battery charger with the aid of bq2031 battery charger. This article includes a structural format for charging a 12-A-hr lead acid battery employing MPPT (maximum power point tracking) for improving charging efficiency for photovoltaic applications. Introduction The easiest procedure for charging a battery from a solar panel systems could be to hook up the battery straight to the solar panel, however this may not the most effective technique. Presume a solar panel bears a rating of 75 W and generates a current of 4.65 A with a voltage of 16 V at normal test environment of 25 ° C temperature and 1000 W/m2 of insolation. A DC/DC converter may be most suitably needed for economical charging here. I-V Characteristics of Solar Panel bq2031-Based MPPT Charger
Batteriser is a $2.50 gadget that extends alkaline battery life 800% Bob Roohparvar tells a killer story of industrial espionage. He says the robbery occurred at his Batteroo office space in a sprawling Silicon Valley office park. The target was intellectual property surrounding Batteriser, a simple metal sleeve that promises to give consumers up to eight times more life from their disposable batteries, AAA through D. batteroo The crooks clearly knew the building layout, and exactly what they were looking for—namely, a breakthrough technology that, if legit, could blow the lid off an alkaline battery industry that’s worth $3.4 billion annually in the US alone. “It was a very, very professional job,” says Roohparvar. Roohparvar, who has a Ph.D. in electrical engineering and a long career in power management including a VP stint at Broadcom and a CEO stint at FlexPower, says he’s not worried about the theft, because Batteriser has full patent protection. How Batteriser gives your batteries 8 new lives This is where Batteriser comes in. Batteroo Jon Phillips