frequency

Pancake Vibration Motors 1

How to Play with Pancake Vibration Motors Using Arduino

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Nowadays numerous electronic devices make use of vibrotactile feedback to increase user interaction with the help of suitable haptic feedback hardware like the eccentric rotating mass motors, linear resonant actuators, and piezoelectric actuators. The most popular type of eccentric rotating mass (ERM) motor inside of consumer electronic devices is the pancake vibration motor (coin vibration …

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ISP In System Programming and stand alone circuits

Arduino ISP (In System Programming) and stand-alone circuits

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We use an Arduino to program other ATmega without bootloader . This technique allows you to use all flash memory for code and make boards using new ATmega, cheaper than those with bootloader. The qualities that have made the success of Arduino are undoubtedly the open-source software, many libraries, a good hardware and a virtually infinite …

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Sketch Event Loop Demo

Arduino Sketch Event Loop Demo

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This sketch is used by Exercise: Event-Loop Programming. Full Source Code The full code is all in one file EventLoopDemo.ino. // EventLoopDemo.ino : demonstrate generation of two simultaneous square waves at different rates // The example program generates audio-frequency square waves at different // pitches on pins 4 and 5 to demonstrate a simple event-loop control structure …

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LC Meter

LC Meter using Arduino: Measuring Inductance and Frequency

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All embedded lovers are familiar with multimeter which a great tool to measure voltage, current, resistance etc. A multimeter can measure them easily. But sometimes we need to measure inductance and capacitance which is not possible with a normal multimeter. There are some special multimeters that can measure inductance and capacitance but they are costly. …

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home energy monitor (1)

How to build a whole home energy monitor using Arduino

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This page and linked pages detailed below document how to build whole house energy monitor that has a display for easy, quick access to current energy use information, usb datalogging for detailed long term data storage and Internet connectivity for online graphing. First a quick look at the installed setup: The Display The display unit …

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Arduino based Bi color LED Matrix Audio Spectrum Visualizer (2)

Arduino based Bi-color LED Matrix Audio Spectrum Visualizer

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After we came up with the Bi-color LED Matrix Driver Module kit, we have been looking around for interesting projects to work with it. You may be interested in some of the projects we have put up at instructables using this LED Matrix kit. Instructable to build a Arduino (SPI) 7 Bi-color LED Matrix Scrolling Text Display …

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home energy monitor

How to build a whole home energy monitor using Arduino

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This page and linked pages detailed below document how to build whole house energy monitor that has a display for easy, quick access to current energy use information, usb datalogging for detailed long term data storage and Internet connectivity for online graphing. First a quick look at the installed setup: The Display The display unit …

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