Sonar Ruler 对比 Mobile Electrician Pro 的使用情况和统计数据

Sonar Ruler is a winner in the Best App Ever Awards - "Most innovative use of iPhone hardware" category! The Amazing New Sonar Ruler is an experimental app that uses echoes to measure distances with your iPhone! * It uses the same principles that dolphins use to find food! * It sends a short pulse from the speaker and measures how long that pulse takes to bounce off of something and return to the phone. It then estimates how far away you are. >> Impress your friends with what this unique app can accomplish using only an iphone! << Ϟ GIZMODO.com: "that's a damned neat trick for a phone to be able to do." Features: * Sonic distance measurement up to 60 feet * Set Units to feet, inches, or meters * Custom saved settings for measuring in different environments If you're a teacher, this app is a great way to teach students the principles of sonar, and how sound propagates through air. ** Watch a demo video here: http://bit.ly/sonarvideo ** German/Japanese subtitles here: http://bit.ly/sonarvid Enjoy! Follow us on twitter @laanlabs *This is an experimental app, although it can be quite accurate, any measurements taken should be verified before using them. Note: Use with iPads requires some adjustment to the chirp boundaries

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Mobile Electrician Pro

The Mobile Electrician calculator app is a handy tool designed to assist electricians and electrical engineers in performing various calculations related to their work. The app is available for download on mobile devices and provides a user-friendly interface with easy-to-use features. Ohm's Law calculator: The app includes an Ohm's Law calculator that allows users to calculate voltage, current, and resistance for any given circuit. LC Resonance calculator: The LC Resonance calculator helps users calculate the resonant frequency, capacitance, and inductance of a circuit. Delta Y Transformation calculator: The Delta Y Transformation calculator enables users to convert a three-phase Delta connection to a three-phase Y connection or vice versa. Electrical Energy calculator: The Electrical Energy calculator allows users to calculate the energy consumption and cost of running electrical appliances. Current Density calculator: The Current Density calculator helps users determine the amount of current flowing through a given area. With these additional features, the Mobile Electrician calculator app becomes even more useful for electricians and electrical engineers, providing a comprehensive set of tools for a wide range of electrical calculations.