A tap-to-read NFC tag that logs temperature and humidity

Feb 15, 2022

Shipping Soon to Backers!

In exciting news, your cuplTags have arrived at Crowd Supply's warehouse, and fulfillment will begin shortly! If you need to update your shipping address, please do so through your Crowd Supply account. Read the full update.

Dec 21, 2021

Received Remaining PCBAs from Supplier, Preparing First Shipment

The remaining PCBAs have arrived from our supplier. After testing, I look forward to preparing the first batch of cuplTags for shipment to Crowd Supply's distribution center. Read the full update.

Nov 03, 2021

Testing the First 12 cuplTag PCBAs

Some good news - The first 12 cuplTag PCBAs (HT07R3) arrived from our CEM on Monday last week. Tests on these have been successful. Read the full update.

Oct 14, 2021

Price Reduction, Web-Application Screenshot, and Sample Data

The best way to market our unique NFC datalogger is to ship more units. To that end, you can now buy a cuplTag for only $29. That $10 discount will be applied retroactively to existing backers as well. This update also includes a screenshot of our web application at work and a link to a repository of recent sample data. Read the full update.

Oct 12, 2021

OSHWA Certification and Manufacturing Progress

We're making good progress on manufacturing and we've received OSHWA certification. Read the full update.

Sep 29, 2021

Documentation Improvements

We have published documentation for cuplTag, which shows how to program the MSP430 and how to configure it with serial-port commands. This update also includes a brief status report from our CEM. Read the full update.

Sep 21, 2021

Introducing a new feature

To show our appreciation for the support we've received so far, we've got a hot new feature for you! Read the full update.

Sep 14, 2021

PCB Fabrication Is Completed for 250 Units & Transfer of Materials Is Underway

Our CEM reported this morning that all is going well. Production of 250 PCBs has been completed. Parts they are sourcing have arrived. A package containing the remaining reels (U1, U2, U3, and BT30) was shipped by us (Plotsensor, Ltd.) from the UK on Friday. It has arrived in China and is awaiting customs clearance. A package containing 250 white enclosures (1551V3WH) has been dispatched from Digi-Key to us in the UK. Read the full update.

Sep 09, 2021

Crowdfunding Begins!

cuplTag is a battery-powered NFC tag that logs ambient temperature and humidity. Tap it with an NFC-enabled phone and you will see timestamped readings appear in a web application. It's a one-step operation that requires no configuration and no app installation! It has taken many design iterations over the course of five years to get the product to this stage. I am now confident it is good enough to share. Read the full update.

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