Tag Archives: Logic

rLogic: Affordable, Tiny, Universal Logic

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Watch signals propagate through basic digital circuits. Emulate any two-input logic gate using just one rLogic board and one jumper. To order rLogic+, the breadboard compatible variant, simply order normal rLogic. When the survey is sent out you will indicate which you would like.

rLogic is a basic breakout board for the Fairchild Semiconductor TinyLogic® series of Configurable Logic Gates, with an LED for watching signals and cleverly arranged header pins for simple conversion from gate to gate. Different from programmable logic, configurable logic is manually changed through rewiring using a simple shunt (AKA, a jumper), allowing you to easily and quickly morph a single pinkie sized board into any basic logic function you might need. rLogic requires no prior knowledge, but if knowledgeable of basic digital circuitry then you may jump right in with creating. If not, then a few minutes with rLogic boards will begin to teach you the basics of digital electronics.

rLogic: Affordable, Tiny, Universal Logic – [Link]

Tiq Probe – an easy to use tool for debugging maker projects

tiq – see what’s happening inside your Arduino, RasPi, robot or 3D printer – no settings, just probe & tiq tells you – automatically!

tiq is designed to be the first tool you’ll use when chasing issues in your electronic project, Arduino, Raspberry Pi, internet-of-things-thing or robot – automatically giving you fast, detailed information in an easy-to-connect handheld probe. No other tool has ever offered tiq’s unique combination of powerful features – or its low price!

Tiq Probe – an easy to use tool for debugging maker projects – [Link]

WS2812 level translator

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bogdan informed us about his latest post on electrobob.com. It’s about a level translator for WS2812 LEDs. He writes:

WS2812 LEDs are one of my favourite toys. Apart from all the things that you can do with them in terms of lighting, displays or even light painting you can also use them for your projects as indicator lights.

The great advantage comes from the fact that you can use a single pin to drive so many of them and it takes just 3 wires ran across the whole box for practically any number. This in turn comes with the disadvantage of more complex control and problems driving them (5V devices) from a 3.3V microcontroller.

WS2812 level translator – [Link]

Understanding and interpreting logic IC datasheets

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This app note from Texas Instruments focuses on understanding and interpreting datasheets for logic ICs. [via]

To assist component and system-design engineers in selecting Texas Instruments (TI) standard-logic products, this application report is a synopsis of the information available from a typical TI data sheet. Information includes a brief description of terms, definitions, and testing procedures currently used for commercial and military specifications. Symbols, terms, and definitions generally are in accordance with those currently agreed upon by the JEDEC Solid State Technology Association for use in the USA and by the International Electrotechnical Commission (IEC) for international use.

Understanding and interpreting logic IC datasheets – [Link]

Scientists create computing building blocks from bacteria and DNA

Researchers from Imperial College London have demonstrated that they can build logic gates out of harmless gut bacteria and DNA. These are the most advanced biological logic gates ever created by scientists. Logic gates are the fundamental building blocks in silicon circuitry on which the digital age is based. Now that it is possible to replicate these parts using bacteria and DNA, the researchers hope that their work will lead to a new generation of biological processors.

Although still a long way off, the team suggests that these biological logic gates could one day form the building blocks in microscopic biological computers. Devices may include sensors that swim inside arteries, detecting the build up of harmful plaque and rapidly delivering medications to the affected zone. Other applications may include sensors that detect and destroy cancer cells inside the body and pollution monitors that can be deployed in the environment, detecting and neutralizing dangerous toxins such as arsenic. [via]

Scientists create computing building blocks from bacteria and DNA – [Link]

Masochist's Video Card

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pyroelectro.com writes:

A friend of mine suggested that I build something for a 74xx TTL discrete logic contest at dangerous prototypes, so I figured why not? If you like this design, make sure to leave a comment on their website for my competition entry.
The Masochist’s video card is a pure TTL discrete logic design that generates the necessary video signals for VGA. The project name came about after the hours I spent wire-wrapping the project together yielded painfully raw fingertips. So be fore-warned if you duplicate this project, don’t abuse the wire-wrap tool!

Masochist’s Video Card – [Link]

Masochist’s Video Card

 

pyroelectro.com writes:

A friend of mine suggested that I build something for a 74xx TTL discrete logic contest at dangerous prototypes, so I figured why not? If you like this design, make sure to leave a comment on their website for my competition entry.
The Masochist’s video card is a pure TTL discrete logic design that generates the necessary video signals for VGA. The project name came about after the hours I spent wire-wrapping the project together yielded painfully raw fingertips. So be fore-warned if you duplicate this project, don’t abuse the wire-wrap tool!

Masochist’s Video Card – [Link]

Open 7400 Logic Competition – We are a sponsor!

Following up the 7400 Logic Competition announcement, we are proud to announce that will be one of the sponsors of this competition. We give away:

  1. uOLED-32028-P1T graphics display module + P1-EB expansion module + uDrive-USB-G1 SD module + uUSB-CE5 module + 64MB microSD card + adapter
  2. BOOK: Programming & Customizing PICmicro Microcontrollers – Myke Predko
  3. BOOK: Switchmode Power Supply Handbook (McGraw-Hill) – Keith Billings
  4. BOOK: Practical Electronics: A Self-Teaching Guide (Wiley Self-Teaching Guides) – Ralph Morrison
  5. BOOK: Switching Power Supply Design – Abraham Pressman
  6. BOOK: PIC: Your Personal Introductory Course, Second Edition – John Morton
  7. BOOK: PIC in Practice – David W Smith
  8. BOOK: Power Supplies Switching Regulators, Inverters, and Converters – Irving Gottlieb
  9. BOOK: PICmicro Microcontroller Pocket Reference – Myke Predko
  10. BOOK: Simplified Design of Switching Power Supplies – John Lenk

Open 7400 Logic Competition – We are a sponsor! – [Link]