With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

There are hundreds of cell types in the human body, each with a specific role spelled out in their DNA. In theory, all it ...

Arduino Nano sketch for for Si5351 VFO and Bob Fontana AK3Y's Tuna Tin S QRPp CW Transmitter This Arduino Nano Si5351 VFO code designed for the Tuna Tin S, a low power amateur radio radiotelegraphy ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention. The “automatic toll gate system project” demonstrates how simple sensors and ...

This code may be useful to paruse for ideas or or for adapting to your own ESP32 hardware project. Over-the-air WiFi firmware updates are supported. It is for a custom PCB I ordered using EasyEDA upon ...

Fossil fuels have been consumed rapidly over recent decades, and their availability is decreasing. Because of this, there is a growing focus on renewable energy sources. Solar energy is one of the ...

Starbucks employees and supporters react as votes are read during a union-election watch party Dec. 9, 2021, in Buffalo, N.Y. (AP Photo/Joshua Bessex, File) MANHATTAN (CN) — Global coffee giant ...

Update: In June 2025, the National Fire Protection Association approved the 2026 National Electric Code with a new requirement to use ground-fault circuit ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Emil Bove III has emerged as a top contender to fill a vacancy on the appeals court covering Pennsylvania, New Jersey and Delaware, people familiar with the matter said. By Glenn Thrush and Charlie ...

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ecosystem is ...