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Product Design Reviews

Induction rechargeable flashlight design

A good example of an induction rechargeable product is where the energy is produced by the movement of a magnet through a coil, thus illustrating Faraday's law. No battery either rechargeable or not, therefore no waste or chemicals: a...

Quadcopter mini drone design review

When lightweight is not just a cost optimization but the main criteria of the product to function. Can you make a military tank fly? Or how to enter the virtuous cycle of making a light frame permits to put...

Headlamp design review

A great engineered headlamp product, with the usage of many plastic tricks, a tight assembly, an all-in-one electronic board, and optics, all designed in a small battery-size footprint and withstanding harsh environment. Although this is not their latest model, as...

Handyman pump design review

When an unexpected liquid transfer is required, providing it is short-term usage and not too high flow capacity, these pumps become very handy. The particular focus here is the versatility, ease of use and achieved in a low-cost design.   Design...

Low cost pulse oximeter %SpO2 design review

A typical medical device, portable, low cost, LED + indication usage working on batteries. All that shipped to Europe from the far east for less than 9€ total. Let's review its design and also propose some innovations around it.     Special...

Automatic garden watering valve design review

It's a pleasure to dismount a very well-engineered product, both from usability, from technical and production aspects.   The product is an automatic garden water dispenser, a so-called water timer, intended to be mounted vertically on the water valve, before the...

Fly Swatter Design Review

Even a very basic 2 parts mold fly swatter can have design flaws. The major defect here is constraint concentration due to the design of aesthetical shapes, damaging the product after just a couple of usages. The product is in...
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