News post & update: eleccircuit.com

News post & update: eleccircuit.com

Link to Electronic projects circuits

1.5V FM transmitter using a varicap diode and two transistors

Posted: 26 Apr 2015 10:15 AM PDT

This circuit is a 1.5V FM transistor circuit that use also two transistors like others circuit before. But this circuit is special that we use a varicap diode. Figure 1 is a schematic diagram - This circuit use the varicap diode number: SD111 or will use number 1S553, 1S85 instead. - The both transistors will […]
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News post & update: eleccircuit.com

News post & update: eleccircuit.com

Link to Electronic projects circuits

How to modify to New switch replace old dimmer

Posted: 25 Apr 2015 09:57 AM PDT

I moved into a new house, The original owner was a British. Outlets and switches In a system of all England. Electrical system of the UK is 230V 50Hz. My wife did not like the warm white applicable to the general dimmer. Because it takes a keen eye and high power. With Incandescent size 60Wx4 […]

How to use LED with 3V battery by Chayapol

Posted: 25 Apr 2015 02:59 AM PDT

Today, my son Learn to use the LED for the 3V battery. As we know, a voltage of about 1.8V LEDs like the most,Proper light, not heat and Power consumption of approximately 10mA to 20mA only. Figure 1 he measure the voltage of two AA 1.5V battery in series We use the breadboard and the […]
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IEEE Spectrum

IEEE Spectrum

ULA's New Vulcan Rocket Comes Back to Earth via Helicopter

Posted: 24 Apr 2015 01:32 PM PDT



Mid-air engine retrieval will be necessary to make ULA's new launch system competitive with SpaceX

Return of the Elf: Making a 1976 microcomputer more user friendly

Posted: 24 Apr 2015 12:00 PM PDT



A home-brew programmer for the low-power Membership Card microcomputer

Amazon Wants to Put Packages in the Trunk of Your Car

Posted: 24 Apr 2015 10:00 AM PDT



Cars that take deliveries can get around the "last hundred meters" shipping problem
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Trossen Robotics Blog

Trossen Robotics Blog

Link to Trossen Robotics Blog

Project Rhoeby is navigation capable.

Posted: 24 Apr 2015 07:00 AM PDT

Rhoeby

Forum user and roboticist madhatter101 has just introduced his newly ROS enabled hexapod, Rhoeby! Built on a Robotis Bioloid kit, it uses a TeraRanger 2D LiDAR (from Rhoeby Dynamics, hence the name) to scan its surroundings. It supports SLAM, Navigation, and Dynamic Obstacle Avoidance. Rhoeby is pretty slick, more details on the forums.
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IEEE Spectrum

IEEE Spectrum

Video Friday: Sphero Droid, Drone Jogging, and Robot Feeds You Marshmallows

Posted: 24 Apr 2015 08:45 AM PDT



Your weekly dose of robot videos is here

Will the Whill Hi-Tech Wheelchair Sell?

Posted: 24 Apr 2015 08:00 AM PDT



A Japanese startup is betting that an aging population of tech savvy first adopters will want their super-wheelchair

Silicon Valley Gets Ready to Code for Cuba

Posted: 24 Apr 2015 07:30 AM PDT



In the Bay Area this weekend? Want to experience a hackathon at Facebook? It's not too late to Code for Cuba

Neurosurgeon Who Stimulates Brains in the Operating Room Coaches Neural Engineers

Posted: 24 Apr 2015 07:00 AM PDT



By shifting focus from neural nodes to networks, engineers can build better brain-computer interfaces

Happy Birthday Hubble!

Posted: 24 Apr 2015 05:33 AM PDT



After 25 years and a tumultuous life, Hubble is still going strong

NASA Uses Mars Rover Tech to Design the Perfect Urban Car

Posted: 23 Apr 2015 01:09 PM PDT



The Modular Robotic Vehicle can drive in any direction and doesn't even need you behind the wheel

Keep On Flying

Posted: 23 Apr 2015 12:00 PM PDT



Look past the screaming headlines and you'll see that airliners have never been safer

3-D Printed Graphene Aerogels Could Improve Sensors and Batteries

Posted: 23 Apr 2015 12:00 PM PDT



Using 3-D to manufacture predetermined architectures for aerogels opens up energy storage and electronic applications

Documentary on eSports Shows Video Games in Transition

Posted: 23 Apr 2015 11:30 AM PDT



The rise of eSports leaves plenty of uncertainty among professional gamers and tournament organizers

NordLink – a landmark project enabling a more interconnected Europe

Posted: 23 Apr 2015 11:19 AM PDT



This video is sponsored by ABB.com

Android Creator Andy Rubin's Playground for Hardware Startups

Posted: 23 Apr 2015 10:00 AM PDT



Thinking about hatching a hardware company? A new incubator might be the place for you
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News post & update: eleccircuit.com

News post & update: eleccircuit.com

Link to Electronic projects circuits

Old low noise pre tone using RC4739

Posted: 22 Apr 2015 11:34 PM PDT

A stereo pre amplifiers with tone control circuit that has been popular for more than 40 years is this circuit which use the RC4739 as main components. Due to its features that the bass heavy, and treble sound is crystal clear. Due to its features that the bass heavy, and treble sound is crystal clear, […]
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RobotShop Feeds

RobotShop Feeds



Essential Spring Cleaning Robots

It’s time to start thinking about spring cleaning. Yes, it’s the time of year we dread again. Luckily we have the help you need with these essential spring cleaning robots. This is what domestic robots are for; helping you with chores that are not only long but, also not enjoyable, so you can spend more time with your friends and family.

Here are a few robots that will interest you when it comes to spring cleaning:

Robot Vacuums

Robot Vacuums

Neato Botvac Robot Vacuum

 Since the day robotic vacuums were introduced, household cleaning was changed forever. Most people vacuum their homes a few times a week and find the process boring and time-consuming. This is where the robot vacuum cleaner or automatic vacuum robot comes in. A robot vacuum can liberate you from the tedious vacuuming job and helps save precious time. You can therefore spend more time with your family and friends or have more time for rest and leisure.Robotic vacuums are autonomous and are highly efficient even when compared to conventional vacuum cleaners making them a worthy investment. There are several models of robot vacuums from entry line robots to the ones with most advanced features and that offer the latest technology. Some come with a docking station and can be scheduled to clean at your preferred time for an entirely automatic cleaning. We have robotic vacuums available for all budgets. They are all efficient, reliable, affordable and easy to use. RobotShop is here to help you select the best model for your needs. Start by viewing our Robot Vacuum Comparison Table.

Robot Pool Cleaners

Robot Pool Cleaners

Smartpool Robot Pool Cleaner

 Robot pool cleaners are highly intelligent and efficient machines that clean your pool for you by bypassing the main filtering system of your pool. A swimming pool is a big investment and should give you enjoyment, not headaches and costly bills. Unfortunately, its aesthetic appeal can diminish with obtrusive vacuum hoses or worse yet, someone constantly in your backyard trying to clean your pool by hand. Dirt Can Run …But it can't hide from Robot Pool Cleaner's. Some can clean floors as well as walls up to the waterline and they even diminish the amount of chemicals that you must use in your pool. Pool cleaning is just at the tip of your fingers – when you want it. Compare our extensive selection of robotic pool cleaners to determine which one satisfies your needs.

Robot Lawn Mowers

Robot Lawn Mowers

Robomow Robot Lawn Mower

 Robot lawn mowers are the modern replacements for manual mowers and operate quietly and autonomously while saving you time and money. They are also good to the environment since they are battery operated and also safe for you and your pets. They are very intelligent and can be programmed to cut day and night within your desired operating hours in order to maintain your lawn. Grass clippings act as natural fertilizer keeping your grass green and healthy without using fertilizer. Need help in finding the best robot mower for your needs? View our Robot lawn mower comparison table.

Grill Cleaning Robots

Grill Cleaning Robots

Grillbot Grill Cleaning Robot

 The Grillbot Automatic Grill Cleaning Robot is a fully automated, safe and easy to use Grillbot. It is the world’s first automatic grill cleaning robotic device. It’s push-button makes it easy to operate. It does all the heavy scrubbing to rid your grill of grease and grime while you get on with your life. It not only cleans your grill, but allows the grill to retain its ongoing flavor. Grillbot takes the work out of it with disposable brushes and three motor power to blast away grime and grease. When finished, Grillbot alerts you with an alarm. With the Grillbot you can save yourself time and energy. It does the tough job of scrubbing and cleaning the grill so you can go ahead and do other things like watching the game, or joining the family to play games. Simply put the Grillbot on your grill, press a button and you are done. Grillbot scours grease and caked-on grime leaving your grill like new. Grill cleaning has never been easier.

Robot Floor Cleaners

Robot Floor Cleaners

iRobot Scooba Robot Floor Cleaners

 Robot floor cleaners liberate people from unpleasant daily chores and frees up their time. Robot cleaners change the way we clean since they will scrub your floors clean by covering your entire hard floors. Use robot floor cleaners anywhere you would use a mop and bucket, including tile, linoleum, vinyl, marble, slate, stone and sealed hardwood. Floor cleaning robots also work great in collaboration with a dedicated robot vacuums to pick up larger debris and improve the overall effectiveness of your cleaning strategy.

Robot Window Cleaners

Robot Window Cleaner

Ecovacs Winbot Robot Window Cleaner

 Robot window cleaners help you clean hard to reach, high or large glass surfaces. They can also help in areas where it is not safe for a humans to clean. Robot window cleaners are easy to use and can clean at the touch of a button. They automatically determine the size of your window and then program a cleaning path in order to clean this window entirely, quickly and efficiently. Microfiber cleaning pads will ensure your window is clean without leaving and streaks or scratches.

     
   
   
   
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