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1. (jCommunity Group) Tuesday, 31 December 2069 2. How to make Printed Circuit Boards. (MyBlog/TB-Articles) ... of paper towel with surgical spirit and rubbing the board. Almost instantly, the paper towel will start to turn green as the emulsion is removed. If you leave a piece of shiny copper in the open air it ... Sunday, 11 October 2009 3. Microchip's 44 Pin Demo board - what to do with it once you've flashed the LED's (MyBlog/TB-Articles) ... a green dot on each LED (top green circle). This shows you which way around the LED should be positioned. Next, solder the 9 x bi-colour SMT LED's. These LED's contain 2 LED's in one package; one red ... Thursday, 10 September 2009 4. STMicroelectronics MPPT/Converter Maximizes Solar-Panel Performance, Minimizes Shading Losses (MyBlog/TB-Reviews) Single-chip solution for distributed Maximum Power Point Tracking will improve size, cost and reliability of efficiency-boosting electronics TechBites Says: When STMicro announced its SPV1010 MOSFET-based ... Tuesday, 23 November 2010 5. Electronic HID Ballast Increases Efficiency and Extends Lamp Life (MyBlog/TB-Articles) By Tom Ribarich, Director, Lighting Systems, International Rectifier Introduction HID lamps are traditionally powered by copper/iron magnetic ballast. These ballasts have the disadvantages of low efficiency, ... Friday, 17 September 2010 6. Pythagoras Solar’s Photovoltaic Window Technology Delivers Energy and Unobstructed Views. (MyBlog/TB-Reviews) ... Pythagoras Solar’s web site - http://www.pythagoras-solar.com, Pythagoras Solar Says: Pythagoras Solar Announces Photovoltaic Glass Unit (PVGU), First Green Building Material to Combine Energy Efficiency, ... Tuesday, 18 May 2010 7. Achieving Tunable White Light (MyBlog/TB-Articles) ... using the three basic colors of Red, Green, and Blue. The question for developers is how to determine the right proportion of the basic colors to achieve white. Even if we arrive at the right proportion, ... Thursday, 11 November 2010 8. Solar PV Technology Update (MyBlog/TB-Articles) ... Ventures believes that power electronics in residential PV systems will eventually become integral to the PV module. GreenTech Media looked at the pros & cons of micro-inverters, because centralized ... Tuesday, 29 June 2010 9. Communications Flexibility is the Key to an interoperable “Smart” Grid (MyBlog/TB-Articles) ... and other use cases, power line communications such as HomePlug® Green PHY will be needed for approximately 10-15% of the HAN applications for smart metering. Other wireless methods such as Direct Wi-Fi, ... Thursday, 15 July 2010 10. Cool Beans: Using Skype for screen sharing and other stuff (MyBlog/TB-Blog) ... Call (up to 25 people) If you've already saved a group in your contacts and want to call that group, all you have to do is click on the group in your Contact list and then click the green Call Group button. ... Thursday, 24 June 2010 11. PMC-Sierra 6Gbit/s Unified Serial RAID Controller Channel Features Zero-Maintenance Cache Protection (MyBlog/TB-Reviews) ... faster response. These and other power-saving capabilities have won the adapter compliance with the stringent Green Grid standard that’s becoming a de facto baseline requirement for energy-conscious data ... Monday, 13 December 2010 12. Green Friday 2010 – an Eco-Geek’s Holiday Gift Guide (MyBlog/TB-Blog) ... may mark the year that green tech has really hit the mainstream with manufacturers like HP, Panasonic, Sony, Kodak, and Samsung offering products that offer uncompromising performance high style, and deep ... Friday, 10 December 2010 13. Power.org Celebrates Two Decades of Power Architecture Technology Innovation and Leadership (MyBlog/TB-Blog) ... machines in Japan. • High Performance Computing – 2 of TOP10 and 5 of TOP20 of the world’s most powerful supercomputers are Power Architecture based (www.top500.org). IBM BlueGene/Q, the “Greenest ... Wednesday, 09 February 2011 14. Need a handy low-cost benchtop supply? Use an old PC ATX PSU! (MyBlog/TB-Tech-Tips) ... S2 turns it off again. I used a yellow LED for D1 (indicates when Power Good goes low, about 300ms after power up), and green for D2 (indicates standby mode). I designed the PCB and had a batch made up ... Friday, 23 April 2010 15. Turn your car into a hybrid (MyBlog/TB-Tech-Tips) ... Kit could go 30 miles on battery power alone. Target kit cost is $3,000 to $5,000—so you figure out the payback period for your car. Perry's invention received first prize in a green energy competition ... Monday, 07 September 2009 16. EnOcean’s Ultra-Low-Power Wireless Sensor/Controller Module Simplifies Building Control & Monitoring (MyBlog/TB-Reviews) This review is the follow-up to the brief article I wrote last week about EnOcean’s wireless sensor network protocol and the new single-chip SoC that supports it. I was especially intrigued by the alliance’s ... Wednesday, 07 April 2010 17. Linear Technology’s LT3743 Synchronous Step-Down LED Driver Delivers 20A+ of Continuous LED Current (MyBlog/TB-Reviews) High efficiency, 2μsec switching capability and compact size allow LEDs to replace incandescent light sources in theater-class DLP Projectors & architectural lighting. Linear Technology’s high-powered ... Friday, 23 October 2009 18. IR's High Power, High Speed, High Density Solutions target Energy-Efficient DC-DC Automotive Apps (MyBlog/TB-Reviews) International Rectifier,(IR) has introduced the AUIRS2191S 600 V driver IC and AUIRGP50B60PD1 600V non-punch-through (NPT) insulated gate bipolar transistor (IGBT) for use in energy-efficient DC-DC automotive ... Monday, 15 November 2010 19. Breadboard Project Protector – Power Cut (MyBlog/TB-Tech-Tips) ... value is around 700mA. A green l.e.d. (D1) lights when all is well. Once the cutout has operated, the device latches in its cutout state, and a red l.e.d. (D2) lights to indicate that the cut-out has operated. ... Tuesday, 15 September 2009 20. The Life and Work of Konrad Zuse (Part 7) (MyBlog/TB-Articles) ... color woodcut (60cm x 80cm) of the waterfall Zipfelsfälle in Hinterstein by Konrad Zuse. He used three separate wood plates, one for yellow, one for blue, and one for red (the green color was created from ... Wednesday, 04 November 2009
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