microcontroller

How to Build an H-bridge Circuit with an Arduino Microcontroller

An h-bridge is a chip that allows DC motors to be run versatile, with bidirectional capability. With an H-bridge, motors can go forward or backward, left or right, up or down, etc, depending on the use of the motor(s) in the circuit. Without a microcontroller, the only way to be able to control an H-bridge …

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Easy, Reversible Motor Control for Arduino (or any Microcontroller) using arduino

This project uses just three main components to provide forward and reverse control for a single motor.  You can easily interface it to an Arduino or any other microcontroller. It’s so simple – you can wire it up “free-form” without a circuit board in about 15 minutes. Features: All parts available at Radio Shack for …

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Let’s explore Arduino Yún’s unique features – Hardware review

The Yún is unique in the Arduino lineup, as it has a lightweight Linux distribution to complement the traditional microcontroller interface. It also has WiFi and Ethernet connections on board, enabling it to communicate with networks out of the box. The Yún’s Linux and Arduino processors communicate through the Bridge library, allowing Arduino sketches to …

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Magnetic sensor detects north and south

Description The AH1898 is a micropower magnetic range selectable (Bop/Brp) Omnipolar Hall effect switch IC with internal pull up and pull down capability, designed for portable and battery powered consumer equipment such as cellular phones and portable PCs. To support battery powered equipment and low voltage microcontrollers, the AH1898 can operate over the supply range …

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Chip has all analogue for engine management

The 33813 is an engine control analog power IC intended for one cylinder motorcycle and other small engine control applications. The IC consists of five integrated low side drivers, two pre-drivers, a VRS (variable reluctance sensor) input circuit, a voltage pre-regulator using an external pass transistor, and two 5.0 volt internal regulators, one for the …

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Says ST gyroscope brings dead-reckoning to cars

The A3G4250D is a low-power 3-axis angular rate sensor able to provide unprecedented stability at zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a standard SPI digital interface. An I2C-compatible interface is also …

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Practical AVR Microcontrollers by Alan Trevennor E-Book

Book Description If you’ve heard of Arduino or even used it in your own projects, you probably know that the AVR microcontroller is the brain of the Arduino. In Practical AVR Microcontrollers, you’ll learn how to use the AVR microcontroller to make your own nifty projects and gadgets. You’ll start off with the basics in …

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