<https://proto-pic.co.uk/product/sparkfun-com-11636-coin-acceptor-programmable-6-coin-types/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://proto-pic.co.uk/product/sparkfun-com-11636-coin-acceptor-programmable-6-coin-types/>