Raspberry PI and Arduiono's changed a lot in embedded space, because of price and flexibility, how this board can change its space? How much does it cost to build complete solution using this project?

However, unlike the technology used in most hospitals across the UK costing anywhere from £20,000-£100,000, the scanner created by Jeff Neasham and Research Associate Dave Graham at Newcastle University can be manufactured for as little as £30-40. [0]

If thats true, it can be game changer in some developing countries.

[0] - http://echopen.org/index.php?title=Article:_Low_cost_design_...