option 3, In our department we have,over the last few years, started to look at scratch, ollies and now edison programmables. In my senior technology class ( metal ) we are looking at Qr codes and the " old fashion " bar codes for extra information regarding the function and use of robots and 3D printers as innovation in the subject. The bar codes on welding electrodes and welding wires allow a vast amount of additional information for the students to use in regards to the type, positional capabilities and voltage / feed settings. #cserTask3

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