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Arduino

Use Arduino to Switch Power On and Off!

Mike picked up a $10 SainSmart 8 Channel DC 5V Relay Module, hooked it up to an Arduino micro controller (a Raspberry Pi should work, too!) and the next thing you know he’s remotely controlling 8 electrical devices… it’s like building an 8 channel remote, each relay on the board can handle some serious juice, up to 10A 230V AC, 30V 10A DC. It’s super easy to set up. Learn how in the video!  

Simulink and Arduino simulation

Using the Simulink’s Arduino IO library so that Simulink communicates with Arduino through serial port. In this example, two analog inputs (potentiometers) and one digital input (push-button) control the Joints motion of the 3D model which was imported from Solidworks.  

Arduino PWM DC Motor Fan Speed Control

This is a demonstration of controlling a DC CPU Fan Motor speed using PWM (Pulse Width Modulation). With the potentiometer I am controlling the Duty Cycle of the Pulse Width Modulated signal and that signal goes into the base of the transistor, which actually controls the amount of current that flows in the motor.  

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