This library reads the signals of the MT8870 chip. If data is available one can read it raw or as text. DTMF = Dual Tones Multiple Frequency. These are the tones you hear when you press buttons on ...

Let’s start with the simple case: performing an action only when the switch goes active. We’ll assume the switch starts in ...

Abstract: This system presents the design and implementation of a password-based door lock system integrated with LED light control for enhanced security. The proposed system allows password entry ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

[Robin Reiter] needed a better way to show off his work. He previously converted an electric TV stand into a full 360-degree display turntable, but it relied on an external power supply to get it ...

Abstract: The study described in this paper investigated the possible interference of spurious emissions from cellular phones on aircraft navigation and communication equipment. Six wireless phone ...

Weather Shield is an Arduino shield that gathers relative humidity, barometric pressure, temperature, light intensity, as well as optional rain, wind direction, and wind speed (using optional external ...