WeMOS D1 ESP8266 Over the Air (OTA) update
ArduinoYoutube

WeMOS D1 ESP8266 Over the Air (OTA) update

In this video educ8s.tv is going to show us how to wirelessly update the code of our Arduino project, using the WeMOS D1 ESP8266 based board. This is an impressive, and very useful feature. A few weeks ago, we took a first look at the very promising new board, the WeMos D1. You can...

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Protek B8010FD Function Generator Teardown and repair
Youtube

Protek B8010FD Function Generator Teardown and repair

Micah Elizabeth Scott @ yoututbe.com does a teardown, repair, and mini-review of the 2007 vintage Protek B8010FD. Protek B8010FD Function Generator Teardown and repair -...

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Teardown, Repair & Experiments with the Anritsu 37347A 20GHz Vector Network Analyzer
Youtube

Teardown, Repair & Experiments with the Anritsu 37347A 20GHz Vector Network Analyzer

In this episode Shahriar repairs an Anritsu 37347A 20GHz Two-Port Network Analyzer. The unit does not boot up and as a result its internal state is unknown. The boot fault is traced to a bad RTC module which has a built-in integrated battery. A replacement unit is located which allows...

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Raspberry Pi 2 Web Hosting – Full Email Server & Web Server
Raspberry Pi

Raspberry Pi 2 Web Hosting – Full Email Server & Web Server

LDSrelience shared this video on Youtube! This is a short video going over a project I just finished to prove that a Raspberry Pi 2 Model B (new as of February 2015) can run a light duty website and low volume email server. I have installed Apache2 for the web server, which takes...

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Air quality sensor detects microscopic pollutants
Sensor

Air quality sensor detects microscopic pollutants

Mitsubishi Electric announced that it has developed a small, high-precision air-quality sensor, the world first to detect all fine particles measuring no more than 2.5 micrometers in diameter, called PM2.5, as well as pollen and dust. It also senses the density of particles...

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Hack-proof RFID chips claimed by MIT
Technology

Hack-proof RFID chips claimed by MIT

Researchers at MIT has announced a new RFID chip that is almost impossible to hack and it could mean that an identity thief couldn’t steal your credit card number by sitting next to you. The researchers’ new chip uses a bank of 3.3-volt capacitors as an on-chip energy source. But...

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Raspberry Pi Clever airplane tracker
RF

Raspberry Pi Clever airplane tracker

Jeremy B. Merrill lives near the LaGuardia airport and a lot of planes fly over his house all day long, so he decided to build a LED display showing the departure airport of the airplane that’s flying overhead. For that reason he used a Raspberry Pi, a Software-Defined Radio...

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ESP8266 mains energy monitor
Test/Measurements

ESP8266 mains energy monitor

Brian Dorey has designed a mains energy monitor based on ESP8266 that have sensors for the mains current, electric meter and gas meter. As the new solar logger did not have this functionality we decided to design a new data-logger that would measure not only the mains current usage...

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