Free Elektor Article: Nixie Bargraph Thermometer
High Voltage

Free Elektor Article: Nixie Bargraph Thermometer

Nixie tubes are always fascinating. Nowadays they are mostly used for clock displays, such as the project in the May/June 2016 issue of Elektor. The ‘Nixie’ bargraph tubes for analogue readout in the form of a column of light are less well known. Strictly speaking, they are not...

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Average and RMS voltage

Average and RMS voltage

Introduction In the DC regime, only one definition of the value of a voltage is possible, this value is unambiguous and is determined by the difference between the reference value 0 V and the flat line figure of the DC signal. In the AC regime, however, it can lead to confusion to...

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Beetle – The Smallest Arduino for $7.9
Arduino

Beetle – The Smallest Arduino for $7.9

Beetle is one of the smallest Arduino Leonardo board.  It derives its core notion from minimalism without compromising functionality. It comes with Atmel AtMega32u4 ( datasheet) @16MHz clock time and has expanded amounts of interfaces: 10 digital pins, 5 analog pins, and 4 pwn pins....

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Phantom Powered Microphone Pre-Amplifier using SSM2019

Phantom Powered Microphone Pre-Amplifier using SSM2019

The project published here is based on SSM2019 IC which is a latest-generation Pro audio preamplifier. A female XLR connector is provided to connect differential Micro-phone. Circuit also provides Phantom power input, combining SSM preamplifier design expertise with advanced...

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High Voltage Regulator –  48V DC Output from 125V DC Input

High Voltage Regulator – 48V DC Output from 125V DC Input

The project published here is a high-voltage adjustable regulator with an output 48 V DC from an input supply of 125V DC. The circuit is capable to drive load current up to 500mA. This regulator circuit designed for use in high-voltage applications where standard bipolar regulators...

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ESP8266 based Coronavirus tracking project
Arduino

ESP8266 based Coronavirus tracking project

This is an ESP8266 based coronavirus tracking project from "Volkan Unal" on github.com. The tracker can be configured to display the details of your own country. Instructions 1- Change your wifi information from WifiConnect.h file char ssid[32] = "yourssid"; char password[64] =...

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STO1000E 150MHz Battery-Powered Portable Oscilloscopes
Test EquipmentTop Stories

STO1000E 150MHz Battery-Powered Portable Oscilloscopes

Micsig’s STO1000E 2/4-channel oscilloscopes include 70Mpts memory, 1GSa/s sampling, 130,000wfm/s refresh rate, and a 7.5Ah Li battery for extended field use.  Saelig Company, Inc. has introduced the Micsig STO1000E PLUS series of two- and four-channel battery-powered portable...

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Advantech Launches Medical-Grade AVAS-400 Series 4K UHD Video Recorder
Products

Advantech Launches Medical-Grade AVAS-400 Series 4K UHD Video Recorder

Advantech, a leading provider of medical computing platforms and solutions, is pleased to announce its AVAS-400 Series medical-grade 4K ultra high-definition (UHD) video recorder aimed at ensuring operating precision. Advantech’s AVAS-400 Series, including the model AVAS-401...

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