Our marble sorter sought to first sort the wood and metal marbles first using some of the magnet blocks and a fan. The glass marbles would be read using a photoresistor into three separate holding cells. Because our group was in 4th period, we had to improvise more as there was a lack of fischertechnik parts, the funnel was made out of two paper plates and though not pictured we created a "dark room" for the photoresistor as to try to get more accurate readings. We tried to utilize two pnumatic pistons and a pump, but there was issues with the one way valve so we couldn't get pressure in the chambers.
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