Sonar Ruler против Electrical Calculation Tools Использование & Stats

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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Electrical Calculation Tools

Mobile Electrician Calculator is a powerful and easy-to-use tool designed for electricians, electrical engineers, students, and anyone working with electrical systems. This app brings essential electrical formulas and calculations right to your mobile device—making work faster, more accurate, and more convenient. Whether you're troubleshooting, designing circuits, or estimating power usage, the app offers precise calculators to save time and reduce errors. Key Tools Included: Ohm’s Law Calculator Quickly calculate voltage, current, resistance, or power with simple input fields. LC Resonance Calculator Find resonant frequency, inductance, and capacitance for AC circuits with accuracy. Delta–Y (Wye) Transformer Conversion Convert between Delta and Wye configurations in seconds—perfect for three-phase systems. Electrical Energy Calculator Estimate energy usage and cost of appliances for better planning and budgeting. Current Density Calculator Calculate current per unit area to select the right conductor size and prevent overheating. Designed for speed, accuracy, and convenience, Mobile Electrician Calculator is an essential tool for fieldwork, classroom learning, and electrical design. With its user-friendly interface and multiple built-in calculators, it simplifies complex math and helps users complete jobs more efficiently.