Engineering Projects, Final Year Projects, Datasheet,Innovative Project ideasnoreply@blogger.com (Jayesh Yewale)Mon, 13 Apr 2026 16:49:35 +0530Blogger http://www.blogger.com289125http://todayscircuits.blogspot.com/en-uscleanEngineering Projects, Final Year Projects, Datasheet,Innovative Project ideasnoreply@blogger.comhttp://todayscircuits.blogspot.com/2020/07/theres-desert-in-middle-of-pacific.htmlAC CircuitsandroidAutomotive CircuitsController CircuitFrequencyFun And Game CircuitsGoogleHack n ModNatGeoPhysicsTelevision RelatedTouch ScreenWearablesnoreply@blogger.com (Jayesh Yewale)Sat, 11 Jul 2020 22:04:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-7440973950379604181In the centre of the South Pacific, there's a place as far away from land as anyone on Earth could ever hope to get. The ocean is different there.These distant waters lie at the heart of the South Pacific Gyre, the centre of which holds the 'oceanic pole of inaccessibility': the ocean's remotest extreme, aka Point Nemo (a name meaning 'no-one'), famous otherwise for being a 1http://todayscircuits.blogspot.com/2016/02/tc-physicists-just-built-worlds.htmlAnalog CircuitsAtom SizeAutomotive CircuitsEngineeringInventionsNatGeoPhysicsScienceScience AlertSmallestSwitchnoreply@blogger.com (Jayesh Yewale)Sun, 7 Feb 2016 09:48:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-3156952788113025245 As our need for more data and faster transmissions grows, existing network infrastructure is being put under more strain than ever before. As a result, scientists are working hard to miniaturise these systems and switch from current electron-based computers to super-fast optics-based communications, where data is quite literally sent at the speed of light. Now scientists working at ETH 13http://todayscircuits.blogspot.com/2015/10/tc-frequency-counter-using-arduino.htmlArduinoAssembly LanguangeCounter CircuitsFrequencyProgrammernoreply@blogger.com (Jayesh Yewale)Tue, 13 Oct 2015 19:56:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-6921419700445719191 Many guys here were asking for a frequency counter and at last I got enough time to make one.  This frequency counter using arduino is based on the UNO version and can count up to 40KHz. A 16×2 LCD display is used for displaying the frequency count. The circuit has minimum external components and directly counts the frequency. Any way the amplitude of the input frequency must not be 9http://todayscircuits.blogspot.com/2014/06/tc-heart-rate-monitor-using-8051.html8051 ProjectAnalog CircuitsAtmelheart rate monitoringMedical Circuitsnoreply@blogger.com (Jayesh Yewale)Thu, 26 Jun 2014 20:46:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-235785307657829979 This article is about a simple heart rate monitor using 8051 microcontroller. Like the previous 8051 projects, AT89S51 is the microcontroller used here. The device senses the heart rate from the finger tip using IR reflection method and displays it on a three digit seven segment display in beats per minute. The circuit has an accuracy of 4 beats per minute and it is very easy to use. In medical7http://todayscircuits.blogspot.com/2014/05/5-microcontroller-based-projects-you.htmlCamera TechnologyClocking And Timer CircuitsMicrocontrollersMini ProjectsProject IdeasRobot CarsRoboticsWirelessnoreply@blogger.com (Jayesh Yewale)Sat, 3 May 2014 18:11:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-518026901518432365 Looking for a microcontroller based project? From our collection of microcontroller based projects, we bring to you 5 super cool projects. Have fun! 1. Microcontroller-Based Tachometer A tachometer is nothing but a simple electronic digital transducer. Normally, it is used for measuring the speed of a rotating shaft. The number of revolutions per minute (rpm) is valuable 14http://todayscircuits.blogspot.com/2014/04/registered-wwwtodays-circuitscom-for.htmlnoreply@blogger.com (Jayesh Yewale)Wed, 23 Apr 2014 11:47:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-1262195891788925886 Finally after long patience we purchased Web Domain  "www.todays-circuits.com"  and The Same WIll Be Activated in next 2 days and "todayscircuits.blogspot.com"  will be redirected.  Stay Tuned.  Thanking You For Your Huge Support.       Yours Sincerely, "Admin" (function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; 1http://todayscircuits.blogspot.com/2014/04/20-robot-from-mit-wins-afron-design.htmlArduinoieeeRadio TransmittersRobot CarsRoboticsSpectramnoreply@blogger.com (Jayesh Yewale)Wed, 2 Apr 2014 21:45:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-3900856063303879297 Robots, as anyone who has ever attempted to build or buy or fix a robot knows, tend to be expensive. This presents a problem for people who want to start learning about robotics, because getting a foot in the door with an actual robot to work on generally involves a substantial up-front investment in hardware. And for places where teachers and students don't have huge piles of money 0http://todayscircuits.blogspot.com/2014/03/tc-solar-cell-material-moonlights-as.htmlCambridge UniversityCircuit Boardssolar cellTechnology NewsWirelessnoreply@blogger.com (Jayesh Yewale)Sun, 30 Mar 2014 17:45:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-6761384821948983146 Photo credit: Revolutionary solar cells double as lasers / University of Cambridge Research Perovskite is the word of the week! This trailblazing new material is being used in cheaper, highly efficient photovoltaics. Commercial silicon-based solar cells (the kind you see on roofs) convert the sun’s rays into electrical energy at about 20 percent efficiency -- and it took two decades of 3http://todayscircuits.blogspot.com/2014/02/tc-news-new-laser-promises-to-make.html555 Timer ICOptical FiberRadarTechnology NewsWi-FiWirelessnoreply@blogger.com (Jayesh Yewale)Sat, 22 Feb 2014 17:19:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-445783208959827314 Scientists have developed a new laser that holds the potential to increase by orders of magnitude the rate of data transmission on the internet. WASHINGTON: Scientists have developed a new laser that holds the potential to increase by orders of magnitude the rate of data transmission in the optical-fibre network - the backbone of the internet. The laser is the result of a1http://todayscircuits.blogspot.com/2014/02/tc-home-made-movie-maker.html555 Timer ICCable TV Circuitsdiy circuitsEFYEFYTimesMovie makernoreply@blogger.com (Jayesh Yewale)Sun, 16 Feb 2014 20:08:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-5667590020861478822 Like real movies, this circuit makes use of a characteristic of the human eye and brain known as the persistence of vision. A sequence of still pictures is projected onto a screen in rapid succession. The pictures differ slightly from one another and the brain interprets the succession of still pictures as continuous motion. Here the pictures are shadows cast by low-voltage lamps. There are 0http://todayscircuits.blogspot.com/2014/01/tc-clock-using-8-seven-segment-led.html7 segment DisplayArduinoClocking And Timer CircuitsEFYInstructableslcdLed CircuitsMeter ClocksMicrocontrollersMicroprocessorsProgrammernoreply@blogger.com (Jayesh Yewale)Mon, 27 Jan 2014 19:47:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-1049986690786834892 The 8 times seven segments display induced me making this clock device. The design principle is: show the wiring and the electronics! After testing with the Arduino and a breadboard I decided to make some examples on PCB. Also the scripting went on and on and on, making all kinds of variations and fun. This has made this instructable quite big! Also, this instructable7http://todayscircuits.blogspot.com/2014/01/tc-arduino-video-game-for-neighbourhood.htmlAC CircuitsandroidArduinoAutomotive CircuitsComputingContestsFun And Game CircuitslcdLed CircuitsSoftwarenoreply@blogger.com (Jayesh Yewale)Mon, 27 Jan 2014 19:19:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-8710585767561335035 My house/office has a store window and I try to make use of it as much as possible. I had some projections etc. in there before, but now I wanted to make something interactive. We have a lot of loitering youth and many people passing by. To appeal to a wide audience, I thought it would be nice to make an old fashion arcade box like thing. It’s now on the street for one day and people 0http://todayscircuits.blogspot.com/2013/12/tc-water-level-indicator-with-alarm.htmlAlarmsAtmelAutomotive CircuitsDigital ElectronicsEFYIndustrial CircuitslcdMicrocontrollersMicroprocessorsMini Projectsnoreply@blogger.com (Jayesh Yewale)Fri, 27 Dec 2013 19:52:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-8223982195588734097 This article illustrates the construction and working of a liquid/water level indicator. Such an indicator is used in tanks to indicate the level of liquids and alert us when the tank is full. So by this circuit we can monitor the various levels of the tank and can avoid spillage of water and also we can configure our supplies according to the various levels of tank. Such module or circuit21http://todayscircuits.blogspot.com/2013/11/tc-bicycle-theft-guard.html555 Timer ICAlarmsBicycle GuradPower SuppliesServo Motorsnoreply@blogger.com (Jayesh Yewale)Tue, 26 Nov 2013 15:14:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-3845200084577649018 This antitheft device for bicycles is inexpensive and can be constructed easily using a few components.At the heart of the circuit is a wheel rotation detector, realised using a DC micro motor. For the purpose, you can use the micromotor (spindle motor) of a discarded local CD deck mechanism. With a little skill and patience, you can easily attach a small metallic pulley covered with a rubber 0http://todayscircuits.blogspot.com/2013/10/tc-building-analog-meter-clock-with.htmlAdafruitAnalog CircuitsAtmelCircuit BoardsClocking And Timer CircuitsMeter Clocksnoreply@blogger.com (Jayesh Yewale)Fri, 18 Oct 2013 23:18:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-5268258860290717983 “We wanted to design a microcontroller board that was small enough to fit into any project – and low cost enough to use without hesitation,” Adafruit’s Limor Fried (aka LadyAda) explained. “[It is] perfect for when you don’t want to give up your expensive dev-board and you aren’t willing to take apart the project you worked so hard to design.” Although the Trinket launched in September, 0http://todayscircuits.blogspot.com/2013/10/tc-biocrats-bharatovation-2013.htmlContestsProject IdeasTechnology Newsnoreply@blogger.com (Jayesh Yewale)Fri, 18 Oct 2013 18:10:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-7472511133683911247 Objectives of Event: Creation of a platform in India for visionary Innovators, Industrial Houses, Venture Capitalists, Angle investors, Govt. policy makers, Scientists and Technocrats to discuss innovations, especially aimed at the bottom of the pyramid, with regards to funding and further technology development possibilities. Provide a unique platform to grass-root innovators to 0http://todayscircuits.blogspot.com/2013/10/circuit-for-over-voltage-protection.htmlAC CircuitsHigh Voltage CircuitsProtection circuitsTechnology Newsnoreply@blogger.com (Jayesh Yewale)Thu, 3 Oct 2013 15:45:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-5598515504811246220 Over-voltage protection circuits are used to protect voltage-sensitive loads. Voltage transients may occur due to a number of reasons such as transformer switching, load switching, and short/open circuit in rectifier and regulator circuit. Such transients can affect proper functioning of an electronic circuit or even damage it. Hence it is necessary to use an over-voltage protection circuit to 1http://todayscircuits.blogspot.com/2013/09/tc-ascent-engineering-mastermind-contest.htmlContestsnoreply@blogger.com (Unknown)Thu, 26 Sep 2013 23:48:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-3513792122980736585 Ascent is India's most widely circulated and read recruitment supplement. It is focused on Career Development, Human Resource Development, Employment and Job Opportunities. The supplement has 23 national editions, nearly 75 lakh+ readers, over 400+ companies advertising nearly 5000+ jobs every week. All the jobs published in the supplement are also posted online on 0http://todayscircuits.blogspot.com/2013/09/tc-diy-auto-balancing-surface-using.htmldiy circuitsHack n ModRetis LabSensor CircuitsServo MotorsTechnology NewsTouch Screennoreply@blogger.com (Unknown)Thu, 26 Sep 2013 18:57:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-3865384688217781970 Using a touch screen, these DIYers built an self balancing surface which automatically tilts itself based upon the position of any object placed upon it.  In the video demo, the surface automatically adjusts to the ball, keeping it directly the the center of the screen, reacting quickly when the object is manipulated. As you can see in the video, the screen outputs 1http://todayscircuits.blogspot.com/2013/09/tc-receipt-printer-with-raspberry-pie.htmlDigital ElectronicsEFYPrinting ProjectsRaspberryRaspberry PieThermal ProjectsTutorialsnoreply@blogger.com (Jayesh Yewale)Thu, 26 Sep 2013 13:35:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-6432253869073472955 In the future, everything will be connected to the internet.  And all restaurants will be Taco Bell! The idea of pervasive connections between physical objects and the online world. These connected devices don’t just idly sit around waiting for commands or files. They’re active agents that anticipate your needs and can push  or pull data from the internet. 0http://todayscircuits.blogspot.com/2013/09/piccolo-sketching-robot.htmlRoboticsTechnology Newsnoreply@blogger.com (Unknown)Thu, 26 Sep 2013 00:23:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-1378607119519196292 Piccolo Piccolo can be said as the perfect companion for a graphic designer or an engineer as it helps him to sketch his creativity. Piccolo is a small pocket sized robot which uses servo mechanism for developing and deploying the accurate 2D or 3D output. Like all other robots, this one also works according to CNC technology. CNC is the acronym of Computer Numerical Control. Here the 0http://todayscircuits.blogspot.com/2013/09/tutorial-making-solar-cell-using-2n3055.htmlBattery Circuitsdiy circuitsHome Circuitspnp transistorPower SuppliesRadio Transmitterssolar cellTutorialsnoreply@blogger.com (Jayesh Yewale)Mon, 23 Sep 2013 10:26:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-5853306932157786897 This video unveils the fact that a silicon diode is quite similar to a solar cell. To prove this, it takes apart a 2N3055 power transistor to produce 1.6 milliwatts. Watch the video for a great tutorial on creating a transistor solar cell. It's easy to cut open a power transistor like the 2N3055 to expose the NPN silicon material inside to make a solar cell. When exposed to 0http://todayscircuits.blogspot.com/2013/09/tc-finally-time-for-smart-watches-and.htmlaugmented realityComputingSmartwatchesTechnology NewsWearablesnoreply@blogger.com (Jayesh Yewale)Tue, 17 Sep 2013 21:41:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-361716882273206013 Long ago, in a far off land some of us will remember where the days of a smart watch and wearable computing was a digital giant of a watch that incorporated functions such as a calculator and alarm in a device that obliterated much of your wrist but was a cool gadget to show off to your friends. Today’s smart watches may not at first glance be that different, yet despite being around for 2http://todayscircuits.blogspot.com/2013/09/tc-test-mains-voltage-wireless.htmlHigh Voltage CircuitsTest And Measurement CircuitsWirelessnoreply@blogger.com (Jayesh Yewale)Wed, 11 Sep 2013 14:25:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-1299236822519214087 Description. This circuit can be used to test whether mains voltage is present or not without having electric contact with mains line. The CMOS IC CD4033 is the heart of this circuit. The CD4033 consists of a 5 stage decade Johnson counter and an output decoder for converting the Johnson code to a 7 segment decoded output for driving 7 segment LED display. A 10cm long insulated copper wire 2http://todayscircuits.blogspot.com/2013/08/infrared-illuminator-made-with-leds.htmlAnalog CircuitsInfraredLed CircuitsLight RelatedLighting Circuitsnoreply@blogger.com (Jayesh Yewale)Fri, 9 Aug 2013 21:48:00 +0530tag:blogger.com,1999:blog-2544070316175605508.post-5439404411189270829 Figure 1  As infrared LED array came up with technology and state of the art electronic and optical components that will bring us the ultimate in day and night vision efficiency and high power infrared output. This can be started by calculating how much infrared radiation you will need in order to light your scene that would be the focal range of your camera since details are0