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This generator produces audible signals to test microphones and codecs used in audio amplifier equipment. This simple triple sine wave generator can also be used for testing other audio systems, including VoIP (Voice over Internet Protocol) equipment. The equipment for...
The ability of FPGAs (field-programmable gate arrays) to be reprogrammed to achieve the desired application or functionality after manufacturing makes them ideal for today’s constantly evolving applications that impose strict restrictions on power and latency while requiring high compute...
This simple delay timer circuit is used to prevent noise and spike in electrical equipment before switching on the main input supply. Most electrical appliances powered by 230V AC mains produce large voltage spikes when the power is switched...
From providing logistic solutions to guiding users, navigation satellite systems are fundamental to modern technologies like the Internet of Things (IoT). Jim Lin, marketing director, SkyTraq, discusses the operation and scope of GPS/GNSS technology for industrial and consumer navigation...
Increasing water consumption and wastage is leading to water scarcity. While a large population has no safe drinking water, some people use a lot of water on daily basis and waste it. This project is of a smart water meter...
There is a growing use of cloud communication due to the ease of remote working, besides high efficiency and reduced complexity through the integration of real-time capabilities in communication. Chaitanya Chokkareddy, chief innovation officer, Ozonetel discusses how cloud communication...
This article presents a simple, low-cost audio amplifier with three channels built around two TEA2025 ICs. The amplifier works from an AC or a DC power supply in the range of 3V to 12V (max. 15V). This audio amplifier has...
With a focus on safety and economic growth, connected and autonomous vehicles are the future of mobility in smart cities. Alexander Klotz, head of Technical Center India, Continental Automotive, explains what needs to be done to achieve various capabilities...
This is an automatic liquid vending machine based on radio-frequency identification (RFID) system. A fixed amount of liquid can be dispensed by swiping an RFID tag across the RFID reader. An alphanumeric LCD is used to display the operation...
Presented here is the design of a low-cost Gauss meter using a linear Hall effect sensor and a standard alkaline battery. A Gauss meter is used to measure the strength of a magnetic field. Here, in order to make...