Critical engineering is a way of thinking that I've never practiced before. I as a designer am used to come up with solutions for problems, but rarely experienced using design as an investigation process and using the end product as a way to raise or address questions. I really enjoyed it.
I also learned to not to over complicate design. For this project I went straight into hardware and coding first without thinking clearly about what was my end goal. Although sometimes good ideas emerge from the making process, but I think for the next project I should start with refining the conceptual design and making quick and dirty prototype, then go deeper with refining the prototypes.
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