Nordic Semiconductor has announced that pet wearables
developer PitPatPet has selected Nordic’s nRF52810 Bluetooth Low Energy
(Bluetooth LE) System-on-Chip (SoC) to provide the wireless connectivity and
processing power for its canine health tracker, the “PitPat.”
The IP67 rated waterproof PitPat weighs only 15g,
measures 34mm x 32mm x 15mm, and easily attaches to a dog’s collar. An
integrated 3-axis accelerometer tracks the dog’s motion throughout the day, and
the proprietary algorithms interpret this data to identify five specific
activity states—walking, running, playing, pottering, and resting—and how long
the dog spends in each state. Step and exertion data enables the device to
estimate the distance covered by the dog when walking, and how many calories it
has burned.
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Using Bluetooth LE wireless connectivity provided by the
Nordic SoC, this data is synced to the owner’s Bluetooth 4.0 (and later)
smartphone or tablet, where from the associated “PitPat” app the user can
review the dog’s activity data compared to guidelines for over 200 different
breeds, as well as set target goals and track progress towards those goals. A
weight management function allows the user to keep a history of the dog’s
weight and work towards its ideal weight target.
PitPat employs a CR2032 coin cell providing a battery
life of up to two years in standard operation between replacement, thanks in part
to the ultra-low power characteristics of the Nordic SoC. The nRF52810 is
engineered to minimize power consumption, with features such as the 2.4GHz
radio’s 4.6mA peak RX/TX currents, and a fully-automatic power management
system that reduces power consumption by up to 80% compared with Nordic’s nRF51
Series SoCs.
Nordic’s nRF52810 multiprotocol SoC combines a 64MHz,
32-bit Arm Cortex M4 processor, with a 2.4GHz multiprotocol radio (supporting
Bluetooth 5, ANT, and proprietary 2.4GHz RF protocol software) featuring
reduced radio energy consumption, with 192KB Flash memory and 24kB RAM. The
nRF52810 SoC is supplied with the latest version of Nordic’s S112 SoftDevice,
Bluetooth 5-compliant RF protocol software.
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Nordic Semiconductor | www.nordicsemi.com
