How to hack EEG toys with arduino

i had heard a few years back about the ability of hooking up toy EEGs so you can interface them with your computer.

I was reminded of this for a project i wanted to do for a class (instructable coming soon ;-)), and i also found a “Star Wars force trainer” on amazon for 30 bucks.

Here is the simple step by step instructions on how to turn a force trainer into a working EEG you can see with your computer.

special thanks to frontier nerds for the initial code and the hack of a similar toy.
How to hack EEG toys with arduino

Step 1: What you’ll need

– Arduino, any kind will do
– Star Wars Force Trainer toy
– A computer running processing and the arduino development enviroment
– solid core wire
– basic soldering supplies

Step 2: Modding the Force Trainer

After you’re done messing with the force trainer (its a pretty cool toy), open it up.

You’ll be looking for two spots, the ground and a pin labeled “t”. make sure the solder doesn’t get on any other pins and solder two wires, one from the ground and one from the t pin.

Once that is done, drill a small hold in the force trainer case and feed the wires through.

Step 3: Programming the arduino

Next you want to program the arduino. This code will take the data from the force trainer and spit out some pretty numbers. We will go over what the numbers mean in a later step.

Here is the code: Arduino Brain Library

Install that library and load the serial out example, verify you are getting data from the serial monitor.

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Now you are ready to combine the arduino and the force trainer.

Step 4: Hooking up to the arduino

How to hack EEG toys with arduino circuit

Next, its time to wire the arduino up to the force trainer. Take the wire from ground and wire it to GND on the ardunio, and take the “t” pin wire and plug it into pin 0 (or RX)

I used some zip ties to keep the arduino attached to the top of the force trainer.

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