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We may earn a commission for purchases using our links. Learn more. Grid Studio is marking their third anniversary with a three-dale sale running from today through September 10th. Grid's unique ...

E-paper price tags have become popular for retail stores over the past few years, which is great for hackers since we now have some more cheap commodity hardware to play with. [Aaron Christophel] went ...

The use of e-paper price tags has been on the rise in recent times, and for good reason too. They have great readability, consume extremely less power, can operate efficiently in a wide temperature ...