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This patent pending key chain, will light an indicator, when put next to a wet diaper.
This patent pending key chain, will light an indicator, when put next to a wet diaper.
628 backers pledged $12,728 to help bring this project to life.

About this project

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$12,728

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Have you ever had a sleeping baby and wondered if they were wet?  Have you ever had the snow suit on and didn't want to take it off to check because you were in a store.  This patent pending detector takes the guess work out of your babies diaper.  Simply press the button and hold it up to the diaper.  A light will indicate when the diaper needs changing.

I am an engineer and a parent and I hate checking for wet diapers.  There is really no good way to do it especially in a store.  This diaper detector works with capacitive touch with the USB connector as the electrode..  I used the components from a USB drive to keep it low cost.  The case is off the shelf but I get lower costs when I buy it in bulk.  It runs on a coin cell battery which is included.

This product would also benefit people that work in nursing homes.

I first started out with the schematic and then I laid it out.  I ordered some boards to prove the concept works and found a case.  It takes about 1 hour to build each one.

Manufacturing plan:

Upon completion of the auction I plan on purchasing enough PCB's to meet all the orders from a supplier I use. It takes about 1 week to get them. 2 weeks after the conclusion of the campaign I plan on having a local prototype house build these up. They are estimating 2 weeks. I should start shipping out towards the end of February.

Risks and challenges

I can't test this product with every combination of diaper and clothing. The best way to test this product is for the user to learn on a known wet diaper.

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  1. Select this reward

    Pledge $12 or more About $12

    One single wet diaper detector.

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    412 backers
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  2. Select this reward

    Pledge $22 or more About $22

    2 wet diaper detectors.

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    128 backers
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  3. Select this reward

    Pledge $40 or more About $40

    4 wet diaper detectors.

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    85 backers
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Funding period

- (30 days)