We believe Voice services are gonna play a huge role in the future so integrating voice with the switchboard made a lot of sense and so we made one :) ESP32: The ESP32 microcontroller offers a lot of ...

Its a coordinate of the physical position of an object on the face of the earth. Normally four coordinates – Time, Latitude, Longitude, Altitude are sufficient to define the physical position of an ...

Light moves very fast, so measuring short distances – 4 meters and less – precisely and accurately requires some very clever optical, semiconductor, electronic, and software tricks. This article ...

There are already many active crossover filters published and almost all contain many (expensive) components. The filter presented here is a favorable exception: fewer components are required and need ...

I look after ash dyke management for 4 huge ash dykes of NTPC here. For fugitive dust control we have huge sprinklers which spray water all along the dry portion of the dyke. Taking maintenance of ...

At the beginning, I wanted to build a 7 segments clock with Arduino . . . I found on Internet the little TFT screens (2.2’) able to display anything at very low price. But what to do first ? This ...

Opto-switches using a light emitter and photosensitive detector are widely used for detecting position, counting events or determining rates of motion, but to operate correctly the detector must only ...

Needing to drive two devices with a DCF 77 signal, I made an NTP client time server with two output channels. Elektor published in its March-April 2018 issue an excellent article describing a module ...

After several very annoying experiences with normal commercially available sat receivers with PVR functionality I started to look into Linux based sat receivers only to find out that it seems to be ...

Efficiency booster for candles. The peltier lamp converts heat energy released by a tea light into electric energy in order to drive a USB LED light. Before electric lighting became common in the ...

This project does not pretend to be scientifically correct or anything. It is just me playing around with a concept. Artificial neural networks are at the basis of artificial intelligence. Usually, ...