In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

Original music by Martin D. FowlerMarion Lozano and Dan Powell Engineered by Phoebe Wang When the reporter Dyan Neary attended a county commissioners’ meeting in the Lehigh Valley in Pennsylvania, she ...

More and more high-resolution displays are quietly including HDR capabilities as an added feature—and now Windows 11 will help make sure they’re used to the best of their ability with the new Windows ...

Growing up on Washington state’s Mercer Island in the 1960s and ’70s, the writer Caroline Fraser got used to hearing people puzzle over why the Pacific Northwest was such a hotbed of infamous serial ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...

BALTIMORE (AP) — Adnan Syed, whose case amassed a worldwide following of "Serial" podcast listeners, will remain free — even though his murder conviction still stands, a Baltimore judge ruled on ...

Whether you have an average laptop or one of the best laptops around, one of the best ways to improve the experience is to use an external monitor. That's not something you can take with you easily, ...