Famous Circuits Blog

IEEE Spectrum

F Cubed’s Biochip vs. the Hospital Superbug
Cybathalon 2016: A Competition for Augmented Humans
Build a Delay-Line Memory Out of (Mostly) Thin Air
Living Materials Respond to the Environment and Communicate With Each Other
U.S. Fines Toyota $1.2 Billion but Defers Criminal Prosecution Over Vehicle Safety Deceit
Minnesota Finds Net Metering Undervalues Rooftop Solar

F Cubed’s Biochip vs. the Hospital Superbug

Posted: 25 Mar 2014 09:00 AM PDT

A lab-on-a-chip could quickly tell if an infection is the dreaded antibiotic-resistant MRSA

Cybathalon 2016: A Competition for Augmented Humans

Posted: 25 Mar 2014 07:16 AM PDT

Technology is giving paralympians enhanced capabilities, and in 2016, they'll be able to take advantage of them in a brand new competition for cyborgs

Build a Delay-Line Memory Out of (Mostly) Thin Air

Posted: 25 Mar 2014 07:00 AM PDT

Revisit the dawn of the computer age with a repurposed RadioShack kit

Living Materials Respond to the Environment and Communicate With Each Other

Posted: 24 Mar 2014 11:15 AM PDT

Hybrid materials made from modified bacteria and nanoparticles offer interesting new properties

U.S. Fines Toyota $1.2 Billion but Defers Criminal Prosecution Over Vehicle Safety Deceit

Posted: 24 Mar 2014 11:04 AM PDT

Toyota admits it engaged in "unlawful activities" to hide the full extent of sudden acceleration problems

Minnesota Finds Net Metering Undervalues Rooftop Solar

Posted: 24 Mar 2014 11:03 AM PDT

The state's novel mechanism for pricing rooftop power generation undermines utility claims that solar power is freeloading on the power grid

News post & update: eleccircuit.com

American & Hong Kong police siren

Posted: 24 Mar 2014 11:51 PM PDT

Today I suggest siren circuit. Another circuit is very interesting. It can mimic the sound of a American police car and Hong Kong police. By which we use transistors mainly. For is so easy to buy equipment and budget. How does it work. In a Figure 1 will see that include of two sound generator […]

Simple Ni-cad battery charger with little parts

Posted: 24 Mar 2014 11:49 PM PDT

Nicad battery as the battery is good. Commonly used. If you do not have a battery charger. I recommend this circuit. It is suitable for beginners. But still works great. Charging batteries are commonly used in the circuit because it’s cheap. Because we use a simple little device really. The Ni-cad battery charger circuit can […]

IEEE Spectrum

Sulon Cortex Headset Seeks to Meld Real and Virtual Worlds

Posted: 24 Mar 2014 06:56 AM PDT

This display superimposes a virtual environment on your physical surroundings

News post & update: eleccircuit.com

Simple SCR tester.

Posted: 23 Mar 2014 12:13 AM PDT

As usual, we can check a SCR with a plain multimeter. But it is not easy. This circuit is very useful. We can know the location pin on the gate lead, anode lead and cathode lead. And can also test diode, LED and Triac. The SCR devices kind, when take to application with DC voltage. […]

My first Variable DC Power Supply 1.2V to 30V 1A by LM317

Posted: 22 Mar 2014 06:00 AM PDT

If you are beginner in electronics and you want to have a great power supply. This project is design for you. It can supply voltage 1.2V to 30V at all range is 1A. New update Please read below this article. This is the First DC power supply in my life that made to use in […]

IEEE Spectrum

SCHAFT Staying in DARPA Robotics Challenge, More Teams Joining DRC Finals
Rhenium Disulfide: A New 3-D Material That Has the Electronic Properties of a 2-D Material
Wind More Favorable Than Solar For Grid-Scale Storage, Study Finds
<i>The Second Machine Age:</i> Avoiding the Dark Side of the Digital Revolution

SCHAFT Staying in DARPA Robotics Challenge, More Teams Joining DRC Finals

Posted: 21 Mar 2014 08:00 PM PDT

SCHAFT declines funding from DARPA, allowing more teams to participate in the competition

Rhenium Disulfide: A New 3-D Material That Has the Electronic Properties of a 2-D Material

Posted: 21 Mar 2014 12:32 PM PDT

Rhenium disulfide presents a new wrinkle in the future of electronics

Wind More Favorable Than Solar For Grid-Scale Storage, Study Finds

Posted: 21 Mar 2014 11:20 AM PDT

Lifetime energy costs for wind and solar still vary greatly

<i>The Second Machine Age:</i> Avoiding the Dark Side of the Digital Revolution

Posted: 21 Mar 2014 09:41 AM PDT

Erik Brynjolfsson has some suggestions for avoiding the negative economic impacts of automation

IEEE Spectrum

Video Friday: Morphing Hexapod, Swarming Roboroaches, and Suitable Snowden
Satellites and Simulations Track Missing Methane
Need a Space Robot? There’s An App for That
New Computer Vision System: "Nope. She's Faking It"
A Transistor that Stands Up to Blistering Nuclear Reactor Temperatures
Academic Inventions Funded by Industry Benefit Innovation
How We’re Shrinking Chemical Labs Onto Optical Fibers

Video Friday: Morphing Hexapod, Swarming Roboroaches, and Suitable Snowden

Posted: 21 Mar 2014 07:55 AM PDT

Our weekly robot video deluge

Satellites and Simulations Track Missing Methane

Posted: 21 Mar 2014 07:00 AM PDT

Methane-emission estimates are probably too low; the European Space Agency is spending €45 million to fix that

Need a Space Robot? There’s An App for That

Posted: 20 Mar 2014 04:48 PM PDT

Stop bemoaning Silicon Valley's youth problem and all the talent going into apps. NASA Ames engineers show apps can be rocket science

New Computer Vision System: "Nope. She's Faking It"

Posted: 20 Mar 2014 03:07 PM PDT

Computers are better than humans at spotting fake expressions of pain

A Transistor that Stands Up to Blistering Nuclear Reactor Temperatures

Posted: 20 Mar 2014 03:04 PM PDT

Tiny new plasma transistors could be used in electronics that control nuclear reactors

Academic Inventions Funded by Industry Benefit Innovation

Posted: 20 Mar 2014 12:33 PM PDT

A two-decade study finds industry money in academia does not stifle innovation as many had expected

How We’re Shrinking Chemical Labs Onto Optical Fibers

Posted: 20 Mar 2014 11:00 AM PDT

Lab-on-fiber sensors could monitor the environment and hunt for disease inside your body

News post & update: eleccircuit.com

Infrared switch is controlled by a TV remote.

Posted: 21 Mar 2014 12:02 AM PDT

Nowadays Appliances used to control almost any function with remote control. But can not put the remote to control other electrical appliances. We can do this project With the following - Can be used with almost any infrared remote. - Can choose to work, or SPST switch or normally open pushbutton switch. -There are output […]