Jingle Bells


This example describes the building of a christmas tree for the mySmartControl. It will be built a LED tree with 21 LEDs. The external LEDs should be controlled separately. With this project Jingle Bells the same melody will ring out and create a running light.

In order that the Christmas tree is better recognized, we have designed a template for cutting and glue on the myAVR prototyping board A before mounting the components on it. After that you put the components on the prototyping board A (e.g. speaker, buttons, LEDs, potentiometer) and solder them on the backside of it.

Picture to cut out and fix it on the myAVR protoyping board A
The programming is possible with Picture to cut out and fix it on the
myAVR protoyping board A


You can download the complete project incl. circuit diagram and source code.

Shopping list:

You will need the following things for the mini project:

  • 1 mySmartControl M8 or M168 (shop.myavr.com)
  • 1 myAVR prototyping board A (shop.myavr.com)
  • 1 Resistor 1K2 (specialist shop)
  • 1 Resistor 110 Ω (specialist shop)
  • 3 Resistors 750 Ω (specialist shop)
  • 14 red LEDs (specialist shop)
  • 4 green LEDs (specialist shop)
  • 3 yellow LEDs (specialist shop)
  • Connection cable (patchkabel) (shop.myavr.com)
  • Brazing soldering equipment (shop.myavr.com)

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