September 24, 2023

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Tiny GPS Logger For The Internet Of Animals

2 min read
Tiny GPS Logger For The Internet Of Animals

[Trichl] generates a very small GPS logger, named ‘TickTag’, that was designed as an reasonably priced location monitoring selection for animal studies. The reduced value, little sort issue, and massive electrical power density of the LiPo battery give the TickTag the ability to monitor substantial populations of little animals, such as pet dogs and bats.

The TickTag was created with a LiPo battery especially in brain and statements 10,000 GPS fixes from a 30mAh mobile. Each device is geared up with an L70B-M39 GPS module managed by an Atmel ATTiny1626 microcontroller and sporting activities a little AXE610124 -pin connection header for programming and communication. GPS facts is saved on a 128kB EEPROM chip with just about every GPS spot correct using 25 bits for latitude, 26 bits for longitude, and 29 bits for a timestamp.  All it all up and you get 10 bytes for each GPS details stage (25+26+29=80), offering the 10k GPS take care of upper bound.

To document better high-quality facts and lengthen battery everyday living, the TickTag can be programmed to report GPS place info utilizing variable frequency intervals or when geofencing bounds have been crossed.

Since the gadget is so little, any errant signals shut to the antenna can bring about troubles with receiving. [Trichl] warns that mounting the system should be nicely away from any other tags or conducting material, like its personal battery, which is needed to be mounted powering the tag, not underneath, to steer clear of drowning out the GPS sign.

TickTag connected to a User Interface Board

Getting facts off of the TickTag needs physical accessibility to the gadget which can be performed by means of
a companion “user interface board”. The interface board integrates charging logic and USB communication, among the other functionality, decreasing complexity in the TickTag module by itself.

All resource code, gerber files, design information, and 3d printed instances are offered on GitHub. Besides the documentation and source code, their paper in the Community Library of Science (PLOS One particular) journal is complete of details, together with the final results of embedding a machine on a canis lupus familiaris.

Who is aware of, perhaps the TickTag is even resilient adequate to be utilized to monitor the catus domesticus.

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