Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so he ...
Speed is essential to a well-managed recall. The faster consumers are alerted and understand what to do, the faster contaminated products can be identified, returned, or discarded. That’s why QR codes ...
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