Coin Dispenser

I am looking for someone with strong technical skills and knowledge of? POS software languages.? Here are the details:? 1. Identifying a cost-effective coin dispenser that can be connected to a? PC and controlled by a script on the pc. ? One example could be:? [[login to view URL]][1]? ? However I'm? not sure whether that particular device has this functionality. ? 2. Developing a script that would play an audio clip, track how much time? passes, and be able to a) trigger the device to output a coin every 30 seconds? AND b) keep track of the amount of time that has passed and output coins based? on that amount of time at the end. ? 3. There is also an education piece: I would also need this person to help? me understand the script itself so I would be able to make changes to it in the? future. ? 4. ? There may also be some additional customization elements and added? features, but we can discuss that as they arise. ? For the time being, 1-3 are? essential. ? ? The context: ? I'm working on an experiment and need to figure out how to wire a coin? dispenser (e.g.? ? ) to a computer so it will drop out a quarter every 30 seconds.? ? Essentially? we're having our subjects? listen to an annoying noise, ? such as the one starting 7 seconds into this? clip:? [login to view URL] It's a 2x2 design, with the dimensions being whether they commit or? not, and whether their payment is discounted or not. The discounting is? manipulated by whether they are paid at the end or periodically during the? noise.