Mens Erger Je Niet 2.0

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Introduction: Mens Erger Je Niet 2.0

Mensch ärgere Dich nicht (in Dutch: "Mens erger je niet!" ) is a German board game, developed by Josef Friedrich Schmidt in 1907/1908. My, Mens erger je niet 2.0 in circular form, replaces the standard physical dice, for an interactive die that is part of the board. This way you can not lose the dice and influencing the outcome by unsportsmanlike behavior is kept to a minimum. Furthermore, the new interactive board also remembers which players turn it is. Lastly, the idea is that, depending on the die roll, the 'home' plate rotates a number of steps. Which means you have to wait for the moment you can bring your pawn 'home'. For the concept this is automatically controlled, but for the prototype we do that manually.

Step 1: You Will Need

  • x 01 - Ardruino Yun
  • x 01 - USB 2.0 or 3.0 to 3.5 mm audio converter
  • x 22 - Blue leds with a 5mm diameter
  • x 01 - Red led with a 5mm diameter
  • x 01 - Yellow led with a 5mm diameter
  • x 01 - Green led with a 5mm diameter
  • x 04 - MDF panels atleast 60 cm tall, 60 cm wide and 8mm thick
  • x 04 - Red paws
  • x 04 - Yellow pawns
  • x 04 - Green pawns
  • x 04 - Blue pawns
  • x 01 - Tube soldering tin + a soldering iron
  • x 26 - Resistors
  • x 01 - Push button
  • x 01 - 1 - 5 GB Micro SD Card
  • x 01 - 5 meter black cord
  • x 01 - 5 meter red cord
  • x 01 - 3.5 mm to 3.5 mm audio cable + a small speaker with volume buttons
  • x 01 - USB to Micro USB cable
  • x 01 - 500 mL Tube black acrylic paint
  • x 01 - Paint brush or roller
  • x 01 - Hot glue gun + glue
  • x 01 - Drill with + 5mm and 6mm drillhead
  • x 01 - Large format lasercuttuer

Step 2: MDF Panels

For the board you need atleast four (4) MDF panels about eight (8) mm thick. To get nice clean cut outs of the boards panels, we will use laser cutting. Therefore we must make an illustrator file with the correct dimensions. The bottom most panel (#1) is the largest panel as it also has the plateau for each player his pawns. The circle of the bottom most panel has a radius of 22.50 cm. The plateaus for the pawns adds an additional 2.50cm and the plateaus are each 15.00 cm wide. The playing field panel's circle (#2) is the same size as #1, with a radius of 22.50 cm. Because components must go underneath the board, we need to cut out holes in the bottom two panels of equal size. When we remove these from panel #1 and #2, the left over width of both of these panels will be 9.00 cm. The third panel, the Home panel (#3) has a radius of 14.00 cm. From this panel we must also cut out a hole for the components of the dice. The leftover width is thus, 7.50 cm. Finally the top panel, the Dice (#4), has a radius of 8.00 cm. You can refer to the dimensions and distances in the photos.

On the playing field, there are 24 small circles, each having a radius of 1.00 cm, which create the path the player should follow. To get the 24 circles around the playing field, create one of the circles at the top, and rotate every duplicate with 360 / 24 = 15 degrees from the center of the board. The small circles should be etched and not cut with the laser.

When you have setup the illustrator document, its time to send it to the laser cutter.

Step 3: Drilling LED Holes

The next step is to drill the holes for the LEDs. Because we are using LEDs with a diameter of 5 mm, we must use a drill with a 5mm head. Before you start drilling draw with a pencil the areas where the dice numbers will go. There should be a group of numbers every 60 degrees as there are 6 groups. 360 / 6 = 60 degrees. You can see the pencil lines in the photo. Once you have mapped out where you are going to drill, drill the holes for the LEDs with the 5mm drill head. Drill all the way through. Next use a 6mm drill head, and slightly drill half way through on the bottom side of the panel for the dice. This creates slightly more space allowing the LEDs to pop out on the other side better.

Do the same for the four (4) holes for the LEDs at the center of the pawn plateaus that will signal a players turn.

Step 4: Painting

Paint all the panels with black paint, either with a brush or a paint roller.

Step 5: Soldering the Resistors

Once you're done with the paint job, solder a resistor to the anode of each of the LEDs as well as a resistor on the anode of the press button.

Step 6: Soldering the Parallel Circuits

After soldering the resistors, solder all the anodes of each LED withing a group (a dice number) to each other. Make sure the circuits don't overlap other components. Then continue by soldering the cathodes of each of the LEDs in each group to each other.

Move on by connecting and soldering the 6 grouped cathodes to a black wire, by removing a part of the black colored insulation, like in the photo above.

Step 7: Soldering the Remaining Circuits

Solder some wiring to united anodes of the LEDs for the dice numbers. The anodes for group of leds representing the dice numbers 1, 2, 3, 4, 5, 6, should go in arduino pins 8, 9, 10, 11, 12 and 13 respectively. From the black wire for the cathode, a single wire should go to one of the arduino's ground pins.
For the player LEDs, place the leds in the holes we made in the pawns plateaus. Use wiring to connect the anodes of players to arduino pins 2, 3, 4, and 5. It doesn't matter with which player you start or which number, but make sure they are in order, or else it will look like it jumps or skips turns. Connect the cathodes of each of the LEDs for the players together and connect a single wire to the grouped cathodes and put this wire in another ground pin.

Finally use wiring to connect the anode for the button in the 5V of the arduino, another yellow wire to connect the button to pin 7 of the arduino and another black wire to connect the cathode to the last ground pin.

Use hot glue to fasten components adn wires to the board. The button should be fastened to a small mdf / wood strip that is fastend to the Home panel (#3) You might need to elevate the button a bit for it to make contact with the panel for the dice. You can also cut 4 blocks fasten under the board to raise it a little. You can also use some spongy material to make the pressing of the dice smoother.

Lastly, you can add a led strips to the edge and hot glue the battery pack to the bottom for a more ambient setting. You will have to switch this on manually though, or could take a go at programming this as well.

Step 8: Code

Finally, all we need is the code. But before we do this, add a theme song or a soundtrack of your choice to a micro SD card, give it a simple name and plug the SD card in the Arduino. Also plug in the USB 2.0 or 3.0 to 3.5 mm audio convertor in the Yun's USB port. Plug your speaker to the adapter with a 3.5mm cable. Now for the code, which you can find here: Mens Erger Je Niet v2.0 Code

NOTE: In the code replace the filename for the audio file with the name you gave it!

NOTE:The audio file will play at maximum volume, so lower the volume on the speaker first.

Finally, when everything is in place, you can glue the bottom two (2) panels together. Make sure that one of the circles on the playing field is center aligned with each of the pawn plateau's centers. Lastly, you can paint the pawn plateaus home panel circles with the colors of the pawns. Also paint the circles on the playing field that are centered with the pawn plateau, to indicate where each pawn should start.

So, that's it! The rules are the same for the original game, so just look them up. Enjoy!

NOTE: Saldly this version of the code does not take into account that a dice roll which lands on number six, gives you an additional turn to roll.

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    2 Comments

    heel erg tof! dank je wel voor het delen!