Jul 9, 2008

NXT Whac-a-Mole - Guest Blog from LinearActuator

Here is a quick guest blog from LinearActuator about the Whac-a-mole that won one of the NXTLog awards for the 'NXT NXT' challenge:
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The NXT Whac-A-Mole, previously mentioned here and here during its' construction stages, is finally completed and entered into the NXT NXT Challenge, where it was awarded the "Creative Use of NXTLog" award.

The Whac-A-Mole consists of a number of "Mole Whacking Platforms" and a Score Indicator Tower, all connected by two NXT bricks via Bluetooth to recreate the carnival classic. The game uses an assortment of motors and sensors to create a fun and entertaining game that the whole family can enjoy.







Here is a quick overview of the Whac-A-mole:

Using Bluetooth, the "Slave" NXT brick tells the "Master" brick whenever a mole is hit. The moles are made out of pistons from such models as the Technic Bulldozer. When hit, the piston rod pushes down onto a touch sensor, which tells a NXT brick to add a point to the players' score, raising a point indicator attached to a score tower.

The score tower was made using the Catapillar tracks that are also from the Technic Bulldozer. When a point is scored, the tracks move, causing an attached score indicator to be raised or lowered.When the score indicator reaches the top of the tower, an Ultrasonic Sensor tells the master NXT brick to lower the score indicator and begin a new, faster, harder game for the player.

The 3 Light sensors are used to help create an exciting atmosphere, and can easily be programmed to light up in a series of patterns when the player scores a point.


For more information, please have at look at the NXTLog page for the NXT Whac-A-Mole here

To see a quick video of the Whac-A-Mole in action click here

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