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Interactive Wall Kit

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Interactive Wall Kit:
Get Started

Welcome to the Interactive Wall Kit

We’ve seen and built many interactive walls in our time. In this kit, we are transferring all our knowledge to you. We’ve carefully gathered a collection of the tools, resources, tips and tricks you need to make the process as easy and stress-free as possible. No searching for the right screws, no looking for the right tutorial. They’re already here ready for you. All you need to do is add your creative touch.

Get to know your kit

A. Touch Board with pre-soldered headers x1
B. Electrode Shield x1
C. Electrode Pads x12
D. Shielded Cable, 5m, 3.5mm Jack Plug-Plug x12
E. Self Tapping Screw No.4 x 9.5mm x30
F. M3 Machine Screw x 30mm x12
G. Cable Management Clips x50
H. Cable Marking Set x1
I. microSD Card x1
J. microSD Card Reader x1
K. Micro USB Cable x1

Set Up the Touch Board with the Electrode Shield

The Electrode Shield is an essential component of the Interactive Wall Kit. The shield allows you to quickly connect the Electrode Pads to the Touch Board with shielded cables and provides a prototyping area to solder more electronics to it. Attach the shield to the Touch Board and connect the Electrode Pads to the shield to set-up your interactive wall. Also, make sure to set up your Touch Board with the Arduino IDE before you begin.

1. Attach the Electrode Shield to the Touch Board

First, you need to attach the Electrode Shield to the Touch Board. Make sure that the Touch Board is not powered and to carefully align the headers on all three sides.

2. Connect the cables to the Touch Board

When the shield is sitting securely on top of the Touch Board, insert one of the cables into one of the audio jack on the shield. Then, insert the USB cable to Touch Board, and the other end to a power source.

3. Touch the electrodes

Now, touch the electrode on the upper left-hand corner of your board. If everything is working, you should hear the first of twelve audio tracks that we pre-loaded to help you get started!

The electrodes are the twelve golden squares that run along the top edge of your Touch Board. They are numbered E0 to E11.

Listen to the audio guide to find out more about the Touch Board and its different features. Once you’ve explored the audio guide, you’re ready to upload your own selection of sounds or change the code of the board!

4. Test the Electrode Shield

Now, plug in either headphones or speakers into the Touch Board and turn the Touch Board on. Wait for the red light to stop flashing. Touch the test point on the Electrode Pad. You should now be able to hear the Touch Board Audio Guide.You can connect up to 12 pads to the shield with the shielded cable.

How to create proximity sensors with the Interactive Wall Kit
How to create proximity sensors with the Interactive Wall Kit
Integrate touchless interaction into any interactive wall design

Our Interactive Wall Kit creates exciting and engaging installations. But did you know that you can create touchless interactions too? With a few simple changes, your installation can become more magical and more hygienic, with no touching required to interact. 

In this tutorial, we will tune the Interactive Wall Kit’s capacitive proximity sensors, allowing users can interact with your wall without having to touch the surface. If you want to create touch-sensitive sensors instead, please follow this touch wall sensors tutorial.

We don’t sell copper tape or sheets, but you can find them in many online shops!

We love it when you share your projects! Post your project on Instagram, YouTube, or Twitter, and make sure to tag @bareconductive or use #bareconductive. You can also send your videos and photos to info@bareconductive.com so we can post them on our site for the world to see.

You will need:

1 x Interactive Wall Kit

1 x Copper tape, around 10mm width
1 x USB Micro B to USB A or USB C (depending on your computer’s USB port type)
1 x Computer running Mac OS, Windows or Linux

Create the sensor

First, we have to decide where to place our sensor. From the front, decide where the user is going to interact with your interactive wall. Create a sensor directly behind the wall in that same location. Then, using the copper tape, create a hatched sensor.

Attach the Electrode Pad

In the center of the sensor, where the tape creates a cross, attach the Electrode Pad with the self-tapping screws. Make sure to screw the screws in completely so that the connection between the pad and the copper tape is super tight.

Apply the graphics

Now, apply the graphics at the front of your wall. You can paint, apply a vinyl decal or use any other medium to create your image. Just remember that whatever you use can’t be electrically conductive. So no designs from aluminum foil, please. As a note, metallic-looking vinyl is not generally electrically conductive, so feel free to cover with as much sparkly gold vinyl as you like.

Test the sensor

Plug one end of the shielded cable into the Electrode Pad, the other into the Electrode Shield. Turn the Touch Board on, or reset it. When you turn the board on, don’t have your hand close to the sensor, as this would influence the sensor reading during the initial calibration of the system. Test your sensor by hovering your hand over the graphic. You should be able to trigger the sensor from a distance. 

If you want to visualise the sensor and any detection, we recommend using the Grapher. Alternatively, you can use the sensor as a proximity switch and play an MP3 file.

And remember, proximity sensing is more delicate than touch sensing and is, therefore, more prone to noise, so you’ll have to test your set up, and make sure to not build the wall too close to metal objects.

Create a proximity sensor on glass

You can use a similar method to create proximity sensors on single-glazed glass. We use carbon sticker dots that you can buy online to attach the pad to the copper tape. In this example the glass is about 5mm thick and the diameter of the copper tape sensor is about 5cm. This method doesn’t work on double-glazed glass.

Source : bareconductive.com

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