Lab-on-a-chip detects cancer faster, cheaper and less invasively A new ultrasensitive diagnostic device invented by the researchers at University of Kansas, University of Kansas Cancer Center and KU Medical Center could allow doctors to detect cancer quickly from a droplet of blood or plasma, leading to timelier interventions and better outcomes for patients. The lab-on-a-chip […]
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In this video, the presenter will be sharing you a brief introduction on Inductors. The basics of how inductors work, a demo showing an inductor filtering out high-frequency signals, a quick low pass LC filter, and a demo showing the magnetic field created around inductors. Courtesy: Afrotechmods
Presented here is a simple pedometer (Distance Counter) circuit. It measures the distance covered by you while walking. It may not work very well for running! Circuit and working Fig. 1 shows a circuit diagram of the distance counter. The circuit is built around quad 2-input Schmitt trigger CD4093 (IC1), CMOS ripple carry binary counter/divider […]
A tachometer measures the rotation speed of motors and other machinery. There are various types of tachometers. Described here is a digital non-contact type tachometer using a proximity sensor. Circuit and working The circuit diagram of the Arduino-based tachometer is shown in Fig. 1. It is built around Arduino Uno board (Board1), inductive pnp-type normally-open […]
Engineers thronged the event resulting in a hall bursting at the seams with electronics engineers passionate about IoT in general, and Smart Cities, Factories & Energy in particular. Bangalore, 26 July 2019 — Mouser Electronics, Inc, today concluded its 6-city roadshow with a grand event at Taj, MG Road, Bangalore. The Mouser IoT Technical Roadshow […]
This article demonstrates real-time training, detection and recognition of a human face with OpenCV using the Eigenface algorithm. There are various biometric security methodologies including iris detection, voice, gesture and face recognition, and others. Among these, face recognition plays a vital role and is one of the emerging technologies for security applications. To begin with, […]
These 15 ebooks cater to everyone from students, freshman and engineers. Happy reading!! 1. Numerical Computing with Matlab Author: by Cleve B. Moler Publisher: SIAM, 2004 This textbook provides an introductory course in numerical methods, MATLAB, and technical computing. It emphasis on explaining the use of mathematical software. The book has used computer graphics, including […]
Oscilloscopes are an essential tool for electronics hobbyists and professionals to verify that their designs would work as expected. PC based Oscilloscope score over standalone oscilloscopes due to their compact size, low cost and ability to do offline analysis. Here we describe how you can make your own oscilloscope at a very low cost using […]
We live in a world which is run on memory and storage, a day without it would be a nightmare. Kingston has been one such company that has been providing its memory products for the past 30 years. Kingston Solutions Inc (KSI), a subsidiary of Kingston Technology Corporation is an established global provider of embedded […]
This video demonstrates calculating the maximum power output from a solar panel and discusses determining the optimum resistive load for a solar panel. Courtesy: ScienceOnline
We have so many login passwords to remember in order to access our laptops, emails or online banking. And forgetting password is something that we often face, and when we are in an urgent situation, it is quite annoying. With cameras all around today, it is also not safe to type our password in public […]
Pulse-width modulation (PWM) or duty-cycle variation methods are commonly used in speed control of DC motors. The duty cycle is defined as the percentage of digital ‘high’ to digital ‘low’ plus digital ‘high’ pulse-width during a PWM period. Fig. 1 shows the 5V pulses with 0% through 50% duty cycle. The average DC voltage value […]
According to Wikipedia, the Internet (or, interconnected network) is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide. It is a network of networks that consists of private, public, academic, business and government networks of local to global scope, linked by a broad array of electronic, […]
TAITRONICS and AIoT Taiwan, the “must-visit” professional trade shows for unlimited opportunities in Electronics! The global electronics industry is moving from simple mass production, technology-oriented development mode to multi-integrations of innovative applications and customized manufacturing and services. According to the latest forecast by Gartner, worldwide IT spending is projected to total $3.8 trillion in 2019, […]
This scope reads input signal and displays the output waveform on a graphical liquid crystal display (GLCD) having 128×64-pixel resolution. The signal is fed to ADC pin of ATmega16 microcontroller (MCU) through an operational amplifier (LM358). The ADC continuously reads the input voltage with preset delay and displays the same on GLCD scope. This circuit […]
This toy organ for children uses a readily-available force-sensitive resistor (FSR) and an NE555 timer IC. Resistance of the FSR varies with the amount of force or pressure being applied on its surface to play the toy organ. Circuit and working The circuit diagram of the force-operated toy organ is shown in Fig. 1. It […]
From small innovations like fitness bands to larger, more complex technologies like artificial organs and robotic prosthetic limbs, technology is laying the path for accurate health treatments. Technology helps doctors make sure the right patient receives the right treatment at the right time. Technologies like augmented reality (AR), virtual reality (VR), artificial intelligence (AI), blockchain, […]
This wireless LCD display shows information sent from a smartphone. The user can send text messages with up to 32 alphanumeric characters to the LCD within Bluetooth range of about 10 metres. This project can be extended and implemented in many ways for: 1. Educational organisations (schools and colleges). To inform any changes in the […]
Scan the QR codes to download the apps based on the operating system of your device. Samsung Health Updated: March 2019 Platforms: Android and iOS Download: Full version (free) Samsung Health is a fitness app that can record and analyse daily activities, diet and habits to help maintain a healthy lifestyle. The app can track […]
FieldTrip Visit: Website Full version: Free In medical electronics, FieldTrip can be used for advanced brain analysis methods like electro-encephalography (EEG) or magneto-encephalography (MEG). It is a MATLAB software toolbox developed by the reasearch team at Donders Institute for Brain, Cognition and Behaviour in the Netherlands. The toolbox can monitor invasive electrophysiological data like time-frequency analysis, […]
In a boiler safety project, we completed, in which we are collecting 32 thermocouple readings from the deep of a 500 MW boiler 2nd pass area where the ambient temperature on a normal day runs 65 to 70 Degree Centigrade due to hot are leakages in the vicinity of the spot. However, the thermocouples need […]
Introduction GNSS – GG-1802 ($5 a piece) Sometimes things do not fall in place and we curse ourselves for taking the wrong turn or making the wrong choices. But in P B Shelly’s word the real perspective later for those situations could be like this… We look before and after / And pine for what […]
This article describes the implementation of a digital frequency meter using Arduino Uno to determine the sinusoidal frequency signal in the range of 20Hz to 5kHz. The logic involves counting the total number of pulses per second that appear at a digital pin of Arduino. The authors’ prototype is shown in Fig. 1. Block diagram […]