Greetings,
Liz and I are happy to announce that Public Lab is offering the Riffle Datalogger for sale for a limited time. The Riffle is an open-source datalogger, designed to fit inside the neck of a standard water bottle for water monitoring purposes. It can log many types of sensors with multi-week battery life, records data to a microSD card, and is based on the Arduino Uno.
We're facilitating a group order by March 17, 2017, from a board manufacturer, and our price at-cost is $60 for the board, or $40 each if enough orders are reached.
The Riffle. Depending on the number of orders we receive by March 17 we may be able to offer discounts for orders of 2 or more riffles. Riffles will cost no more than $60 each. Buy multiple riffles to use in separate projects, or to split the cost with friends.
Riffle accessories and Bootloading. For $13, Public Lab staff will install the bootloader and include all necessary accessories.
Please pass this along to any colleagues who may be interested in open-source, DIY monitoring. And let us know if you have any questions.
Thanks,
Patrick Hixenbaugh
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It might still fit into some plastic bottles, but not a personal water bottle. I have not heard that anyone has field tested a submerged standard water bottle with connected external sensors for more than a week or two. I would opt for something studier than that with a more robust top for installing a cable port.
A powerful feature of the Feather boards is the variety of communication options. Instead of the basic Feather M0, you can start with a Feather that has a cell phone module, WiFi, LoRa radio, Bluetooth, packet radio, or others. These cost more, but are ready to send data instead of (or in addition to) saving to SD card.
Lots of logging options,
Chris
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No telling how long it will last on battery power, but it doesn't cost much to find out.
It might fit into some of the larger drink bottles.
Chris
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