Automated LED stairs using arduino




After seeing the lovely LED stairs at interactivefurniture.de, I decided to make my own, open-source version. Here is a video of them in action. I am not an expert videographer and cannot do the stairs full justice, but they came out exactly as I wanted.

Automated LED stairs




In this clip I use a very simple lighting sequence without any dimming. However it is easy to program the stairs to do any light sequence desired, with up to 34 LEDs per controller.

My build was featured in Make: Online.

This is the schematic. I wired it up with perfboard and used screw terminals to connect to the external LEDs and PING sensor. The Eagle schematic file is here and should have the correct footprint for the chips; if you plan to make a PCB version it would need to be edited and checked, as I did not use it for that.

My code for the Arduino Processing environment can be found here. You can edit this to add more lights, or to use a different lighting sequence. This code uses the Lightuino source code to drive the M5451 and I am very grateful to have it, as it saved me writing hardware-level code. NOTE: The Ping library here is outdated and uses the BYTE keyword that is no longer supported by recent Arduino releases. I recommend using the NewPing library instead.

Automated LED stairs

Materials:

 

For more detail: Automated LED stairs




This Post / Project can also be found using search terms:

  • arduino stair lights code
  • arduino led stair
  • m5451 arduino
  • stairs led with arduino
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