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1. (jCommunity Group) Tuesday, 31 December 2069 2. uC/OS-III The Real-Time Kernel (MyBlog/TB-Reviews) I've long wanted to know more about how a Real-Time Operating System (RTOS) performs its magic and how to use one of these little rascals, but there's surprisingly little written about this subject. Fortunately, ... Monday, 19 October 2009 3. How to make Printed Circuit Boards. (MyBlog/TB-Articles) ... scale, the slightest gap between the artwork and the surface of the board will cause the shadow cast on the board’s surface to be slightly larger than it should be. The reason we print the artwork mirrored, ... Sunday, 11 October 2009 4. Power Supplies 101 – Safety, Transformers & Primary Windings (MyBlog/TB-Articles) ... if there’s an RCD fitted. The RCD should be tested every couple of months or if you’ve not used it for a while using the Test button located on the front. These devices are fairly cheap and it’s foolish ... Saturday, 21 November 2009 5. Turn your car into a hybrid (MyBlog/TB-Tech-Tips) That may be possible in about three years if a retrofit kit invented by a former IBM engineer pans out in prototype testing. This development is probably a more attainable (and affordable) set-up than ... Monday, 07 September 2009 6. A LED Ultra-Violet (UV) PCB Exposure Unit (MyBlog/TB-Articles) ... in place. Figure 6. UV Board being tested after assembly. You will need to provide the board with 12v DC at around 1 amp. LED’s have a polarity and this should be observed when connecting the board ... Wednesday, 23 September 2009 7. Microchip's 44 Pin Demo board - what to do with it once you've flashed the LED's (MyBlog/TB-Articles) ... details for the OXO board. I've also included some very simple test software to help you check that you've assembled the board correctly, but as for the actual game, you will have to write your own software. ... Thursday, 10 September 2009 8. White Noise Generator – Sound Check (MyBlog/TB-Tech-Tips) Having a need to align the centre frequency and bandwidth of an 8MHz filter in a radio set, it was decided to find an alternative to using an expensive Spectrum Analyser. This is not a common item of test ... Thursday, 10 September 2009 9. Volvo debuts new tech turbo (MyBlog/TB-Blog) ... makes it possible to shape the exhaust ducts for optimal gas flow and generate the maximum "tuned" pulse effect for the greatest turbine efficiency. The pulse dynamics permit generating a high power output ... Friday, 29 January 2010 10. Altium's Latest NanoBoard is Mega-Cool! (MyBlog/TB-Blog) ... or Verilog skills; instead, you can use existing board layout and systems design skills to construct, test, and implement FPGA-based embedded systems. The IP libraries and intuitive graphical editors that ... Tuesday, 15 September 2009 11. Zener Diode Tester - A tap on the knee (MyBlog/TB-Tech-Tips) ... in its constant-current mode. The current is set to under 5mA, being calculated by the formula I = 1-25V/R, and this flows through the Zener diode being tested. A voltmeter can be connected in parallel ... Tuesday, 01 September 2009 12. ASCII, EBCDIC, ISO, and Other Computer Codes (Part 4) (MyBlog/TB-Articles) ... has been augmented with virtual QWERTY Keyboard and Console (screen) devices, both of which employ ASCII characters (the latest version of the DIY Calculator software is available on the "Download" page ... Friday, 28 August 2009 13. Interview Bites: Metro Ethernet Forum's Nan Chen on Carrier Ethernet (MyBlog/TB-Articles) ... define Ethernet services so that the processes can be somewhat compatible with new services. One of the greatest strengths and weaknesses of Ethernet is that, for example, when you order T-1 services ... Monday, 02 November 2009 14. Brushless Fan Speed Control – Fine Tuning (MyBlog/TB-Tech-Tips) ... one of the new generation of rail-to-rail CMOS types. (Also see our Opamp Selector Chart in Circuit Surgery, March 2000 – ARW.) Motors used with this circuit should be 12V types. When tested, a 75mm ... Thursday, 17 September 2009 15. Breadboard Project Protector – Power Cut (MyBlog/TB-Tech-Tips) ... line, through the pnp Darlington transistor TR4 and to the breadboard circuit under test. It also flows through resistor R8. The bistable is triggered into indicating the overcurrent state when transistor ... Tuesday, 15 September 2009 16. Wow! Latest Cadence Encounter Digital Implementation System is mind-boggling! (MyBlog/TB-Blog) As I may have mentioned (and as I will doubtless mention again), when I started designing ASICs in 1980, we were working with devices containing only 2,000 logic gates at the 5-micron technology node and ... Monday, 01 February 2010 17. Hot News - Synopsys acquire CoWare! (MyBlog/TB-Blog) I can't keep up with the myriad acquisitions that are taking place in Virtual Platform space at the moment, and this latest "hot-off-the-press" snippet of news has fair taken my breath away. Funnily enough, ... Monday, 08 February 2010 18. LFSRs (Part 2) (MyBlog/TB-Articles) ... decryption, data compression, cyclic redundancy check (CRC) generation, built-in self-test (BIST) structures, and pseudo-random number generation. One-to-Many Implementations Consider the case of an 8-bit ... Sunday, 20 September 2009 19. Lightning Detector – Ahead in the Clouds (MyBlog/TB-Tech-Tips) ... by monitoring test point TP1, which should be at roughly 7V peak-to-peak. Test point TP2 should be at +6V d.c. Now readjust VR1 back slightly to stop oscillation; use a screwdriver to touch the aerial-side ... Monday, 31 August 2009 20. TV Set Ratings from Consumer Reports (MyBlog/TB-Articles) Consumer Reports magazine announced in the last week of January that their March issue will include their latest TV set ratings, covering some 130 TV sets. The magazine, whose ratings are widely considered ... Tuesday, 02 February 2010
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