Amarino shield- CD4094 control with Arduino- WITHOUT SMART PHONE

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Fully assembled kit (4)

This is the first experiment for Amarino shield. If you do not know anything about Amarino toolkit or this shield please click on the following links:

  1. About Amarino toolkit
  2. About Amarino shield

You can get a list of other experiments at the end of this post.

This experiment has been derived from HEF4794_- Arduino_ Experiment.

This example makes the use of an LED Driver in order to control an almost endless amount of LEDs with only 4 Arduino pins. In this experiment, we use the CD4094 chip. Here, you can get the original version of this experiment: http://www.arduino.cc/en/Tutorial/LEDDriver . The Arduino team has used HEF4794.

An LED Driver has a shift register embedded that will take data in serial format and transfer it to parallel. It is possible to daisy chain this chip increasing the total amount of LEDs by 8 each time. You need to refer to datasheet for connecting more CD4094.

The code example you see here is taking a value stored in the variable dato and showing it as a decoded binary number. E.g. if dato is 1, only the first LED will light up; if dato is 255 all the LEDs will light up.

NOTE:  Switch ON the IC1 -1 P DIP switch. If the switch is off, the 10pcs of LEDs connected to CD4094 will not work.

Arduino Sketch: LINK

Amarino shield in use (2)

Related tutorials:


You can purchase this versatile Amarino shield at buildcircuit.net and Etsy. The store is owned and operated by the team which operates buildcircuit.com.

Amarino shield in use (2)Buy now button buy at etsy


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