Coriandolo Radio: An open-source protocol for “drive-by” sensor-logger data collection

Consultants Network

Craig Goldman

Collecting sensor data from geographically-dispersed, low-powered data loggers is a problem. The loggers can record many kilobytes of data, which must be periodically gathered. Sending “collectors” into the field to connect to each logger one-at-a-time to upload the data is time-consuming, cellular radio requires lots of power and building a mesh radio infrastructure to “route” the data is expensive and often impractical.

We asked the question “would it be possible to gather sensor-logger data while driving by the remote sites without stopping?” Current radio protocol choices were not designed for this scenario. Low-energy radio protocols such as BLE transfer data slowly. Wi-Fi uses a lot of power and may take seconds just to establish the connection.

This talk describes a simple radio protocol, which operates at low power while waiting for a radio connection, yet is able to change modes and transfer bulk data at high rates. The protocol is open-source and available for down-load from GitHub.

Coriandolo Radio Website – info, links, purchase radio module

www.coriandoloradio.com

Coriandolo Radio GitHub Site – source code, some documentation

www.github.com/cr-craig/CoriandoloRadio

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Craig Goldman is founder and President of CoAutomation Inc., a consulting company specializing in the design of reliable firmware for commercial, industrial and medical products that MUST work correctly. A graduate of MIT, Mr. Goldman has been designing embedded microprocessor products for over 35 years. A recognized innovator, he has made a significant contribution to dozens of successful designs and has been awarded ten US patents.

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The Consultants’ Network meeting starts at 6:30 PM. The meeting will take place at Constant Contact, Reservoir Place – 1601 Trapelo Road, Waltham, MA 02451. A no host, PRE-MEETING DINNER will take place at 5:15 PM (sharp) at Bertucci’s, 475 Winter Street, Waltham, MA 02451 (exit 27B, Rte 128).

Driving Directions:

To Bertucci’s:
Follow I-95/route 128 to Winter St in Waltham. Take exit 27B from I-95/Route 128. Turn left on Wyman S, then left on Winter St. Bertucci’s is the 1st right after crossing the bridge over I 95/Route128.

To Constant Contact:
Follow I-95/route 128 to Trapelo Rd in North Waltham, Waltham. Take exit 28 from I 95/route 128. Constant Contact is the 1st right after crossing the bridge over I 95/Route128.

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