We programmed the Adafruit RP2040 to play music when you hit the keys. It changes octaves when you rotate the rotary encoder.

Addressing the accuracy concerns for the PWM programming of standard regulators requiring an output that can swing below the ...

A doctor is facing a misconduct hearing over allegations that he groped his junior colleagues, told them to use their chests as ping-pong bats and called one a 'bad girl'. Dr Velmurugan Kuppuswamy is ...

President Donald Trump displays an executive order on artificial intelligence he signed at the "Winning the AI Race" AI Summit at the Andrew W. Mellon Auditorium in Washington, DC, on July 23, 2025.

Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...

Jay primarily writes news and deals posts for Android Police. Before joining AP, he spent the past several years yammering on about the crazy world of Android for various tech outlets. Besides ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...

A recent Design Idea, “Three discretes suffice to interface PWM to switching regulators,” demonstrated one way to use PWM to control the output of a typical switching voltage regulator. There were ...

Abstract: AC- DC motor has been proposed for DC voltage regulation which can be used for DC motor drive, battery charging operations, etc. It's necessary to have a effective power conversion system.

This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor ...

It finally happened: Following the Supreme Court’s ruling against it, TikTok was legally banned in the United States on Jan. 19. In response, TikTok pulled all of its offerings from U.S. app stores, ...