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

From circuit simulation to embedded firmware testing and PCB design, Proteus lets you see how hardware and code work together ...

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 ...

Emil Bove, President Donald Trump's nominee to the Third Circuit, before his nomination hearing in the Senate Judiciary Committee on June 25, 2025. (Benjamin S. Weiss/Courthouse News) WASHINGTON (CN) ...

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 ...

Attorneys for the Wilton Rancheria and the local casino workers’ union argued, before 9th Circuit judges Thursday morning, a case involving hundreds of Sky River workers in Elk Grove, who Unite Here ...

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 ...

Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in ...

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