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delabs dapj Tech News
  • Tandy Whiz Kids Comics
  • Tandy Whiz Kids Comics

    TRS-80 Computer Whiz Kids - appeared in 1984. Eight issues in all are known to have been published, the last appearing in 1991.

    Read more »
  • Analog Op-Amp Circuits
  • Analog Op-Amp Circuits

    Operational Amplifiers - With a few Op-Amps and a regulated Power supply, many Instrumentation and Process control equipment can be designed. The Human Brain understands Numbers, Quantity and it regulation very well ! On the right you can see a analog controller based on opamps and discrete devices. A Heater, Fan and Motor is regulated, controlled and timed for a process.

    Analog Op-Amp Circuits

    Analog is about numbers, the circuits can be understood and designed mathematically or empirically. Designing and Building a True RMS Rectifier with Op-Amps, will help a designer digest many Op-Amp capabilities.

    Read more »
  • Gadgets as Visual Interface for Process Control
  • Gadgets as Visual Interface for Process Control

    Here is is gadget GUI for Industrial Process control, WebApps. The buttons make a sound and Light up internal LED lamps. Power On-Off control, Digital Timer; Start, Reset Scroll and Select are the controls.

    An Image ScreenShot is above.

    A Web Widget which is a Preset Timer. This can be Programmed from any Browser. It can also be modified to control external outputs. This project will only be a Web Gadget for Education, it will not have any external interface.

    Live Gadget that can be Operated



    I will first make some simple examples with this UI. Then i will try to interface the javascript with PHP-MYSQL Application. I am just Thinking Loud. This makes a Globally Distributed Process Control Possible. :~) . You can Use html-js-php-msql. You can use ajax-python-perl too.

    Digital Timer Gadget Visual Interface

    But for now, back to earth, I will just complete some more simple tutorial gadgets. This Idea of mine is Open Source, please keep it that way.

    Read more »
  • Digital Dice Cubes
  • Digital Dice Cubes

    Dual Digital Dice Gadget - Click the Dice Cube, Wait, It will Display a Random Result, A random generation for rolling and one for showing value. Screenshot of Widget above.

    Dual Digital Dice Cube, It will Display a Random Result for the 6 faces of the Dice, It has both a Cube Animation and Digital Readout for Two Dice.

    Live Dice you can Operate

    Dual Digital Dice Widget Cube, It will Display a Random Result for the 6 faces of the Dice. Electronics Dice gadgets can be built in the same way. The JavaScript for the Digital Readout is written in the way you would write code for a embedded system project. You can try it out on a Tiny chip. Do not use a Big Powerful and Fast Processor for a Small Job. It is like Transporting a bag of Potato Chips in a Nuclear Submarine across the Pacific Ocean.


  • EEMetric.com is for Sale
  • EEMetric.com is for Sale

    The domain EEMetric.com is for sale. The domain is parked here for Display..

    If you wish to buy, comment/feedback on this post with your offer.

    Only domain is for sale, there is no content for sale. I am selling it to raise money to maintain my other websites.

    The Website Domain will be promoted for Three Years after purchase. In other words, you buy the domain and create your website or blog; we will list it and advertise it in our network for Three years for Free.

    (Options- If you want an Application, Blog or CMS setup for this domain. We can do it, fees will be according to the work involved.)


  • 74HCT373 Octal transparent D-type latches
  • 74HCT373 Octal transparent D-type latches

    74HCT373 - High Speed CMOS Logic Octal Transparent Latches with 3-State Outputs. The 'HCT373 devices are octal transparent D-type latches. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the Q outputs are latched at the logic levels of the D inputs.

    Read more »

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Electronic Circuits


delabs Electronic Circuits
  • Flashing LEDs Electronic Kit
  • Flashing LEDs Electronic Kit

    Flashing LEDs Electronic Kit– ApogeeKits created the Flashing LED’s electronic kit AMK102B as an entry level introduction to electronic kit building.

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  • World of Heathkit do-it-yourself electronics
  • World of Heathkit do-it-yourself electronics

    World of Heathkit do-it-yourself electronicsAll of man’s progress has stemmed from ideas, ideas held by men and women who pioneer new concepts.

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  • LED Blitzer is a LED Blinker
  • LED Blitzer is a LED Blinker

    LED Blitzer is a LED BlinkerThis strange circuit was in Openclipart i am not sure if it will work. Later i found (more…)

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Hobby DIY Electronics


delabs Hobby Electronics
  • Fun with Chemistry
  • Fun with Chemistry

    Fun with Chemistry

    The work of chemists is to study different kinds of matter, these and hundreds of thousands of other kinds too.

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Tech Media Network


Tech Media Network
  • DMM Multimeter DM2867
  • DMM Multimeter DM2867

    Buy our new DMM with all the features you Expect. Extra Safety Improvements. True RMS and True Watts.

    Sale This Fortnight – Just 100 USD  Buy it at Mint Shop today and win an Oscilloscope if you become our 10,000th customer.

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