Arduino Servo Motor Control Using Joystick

In this post we will learn how to control servo motors using a joystick and Arduino. We will see overview about joystick, its pins, its construction and working. We will be extracting useful data from the joy stick which will be base for controlling the servo motors. By Girish Radhakrishnan The motto of this article […]

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Digital Capacitance Meter Using Arduino

In this post we are going to construct a digital capacitance meter circuit using Arduino which can measure capacitance of capacitors ranging from 1 microfarad to 4000 microfarad with reasonable accuracy. By Girish Radhakrishnan We measure value of the capacitors when the values written on the capacitor’s body is not legible, or to find the […]

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Tachometer using Arduino

A tachometer is a device that measures the RPM or angular velocity of a rotating body. It differs from speedometer and odometer as these devices deal with linear or tangential velocity of the body while tachometer a.k.a. “tach” deals with more fundamental the RPM. By Ankit Negi Tachometer is composed of a counter and a […]

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How Crank Flashlights Work

A crank flashlight basically works by hand cranking a permanent magnet motor, which generates electricity for illuminating the attached LEDs. Normally, a permanent magnet motor is used for executing a rotational movement by applying a DC potential across its specified supply terminals. However we also know that the same motor can be easily converted into an […]

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Electric Wheelchair using BLDC Motor

In this post we learn how to make a simple electric wheelchair using a standard BLDC motor driver circuit, and a couple of high power BLDC motors. The introduction of electric wheelchair was like a boon to our many differently-abled friends who now find it much easier to move and travel around, effortlessly,  with just […]

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