Basics

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In previous posts we showed some examples for the 4067 16-Channel multiplexer - Arduino and 4067 LED example The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer is a digitally controlled...
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In this example we connect an Arduino to a L9110 fan module. This is a commonly found, basic low cost module which consists of an L9110 chip and a small motor attached. You need 4 connections between the arduino and the module. VCC, GND ,...
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Sometimes in your projects you simply do not have enough I/O lines available, take for example a lot of the multiple LED examples, these use 8 outputs to control 8 LEDs via your Arduino UNO, that can restrict the amount of outputs you would have available...

Its a fairly simple process to connect your Arduino to your PC and write an appilcation to interact with your hardware. You will need the usual Arduino hardware, IDE and.

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In this example we connect an infra red receiver to our Arduino and an RGB led. We will use various button combinations on the remote control to switch on an LED and we will use a button to switch them all off as well. Firstly...
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