005 Controlling A Servo Guide
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Arduino-projekt 005 – Controlling a servo motor May 31, 2018 | Example code, Guides | 0 comments Controlling the position of a servo is very similar to controlling the intensity of a LED.The circuit is therefore very similar to the one used in project 004. Just like in that project the total resistance of the potentiometer is not important as long as it is somewhere between 1 KΩ and 100 KΩ. The circuit For this project you need to build the following circuit. Description A servo expects a pulse-width-modulated (PWM) signal just like the one we used to contorl the LED in project 002 och 004, but the servo has a little higher requirements and to solve this there are ready-made code available so we don’t have to do this ourselves every time we want to control a servo. The first thing we do in our code is to include this ready-made code and then create an object representing the servo. An object in programming context is basically a variable that has different functions connected to it for doing various operations on the data that the variable contains. In this example we use the function attach()to tell the object which output the servot is connected to and write() to set the position of the servo. The position is given as an angle between 0 and 180 degrees. This means that we need to scale the value read from the pot Copyright © 2016-2019 Bygga Robot / Invize AB, Org.nr. 559017-7258
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