In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

In this video I'm showing how you can conserve pins on Arduino projects where you can read the input of multiple push buttons with a single Arduino pin. #arduino #multiplebuttons #arduinotipsntricks ...

Environmentalists say the war’s effects on oil and gas prices are an argument for countries to get off fossil fuels. But the reality is likely to be messier. By Brad Plumer and Lisa Friedman The ...

Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very ...