Nordic Thingy:53 Hardware

The Nordic Thingy:53™ is a battery-operated prototyping platform for Internet of Things (IoT). It is ideal for rapid development of prototypes for IoT systems.

The Nordic Thingy:53 includes sensors that gather data about its own movements and the surrounding environment. Temperature, humidity, air quality, air pressure, color, audio, and light data can be easily extracted for local or remote analysis. For input, the Nordic Thingy:53 offers two user-programmable buttons. Visual output is achieved with an RGB indicator LED, while a buzzer can provide audible output.

The preprogrammed firmware on the Nordic Thingy:53 allows to connect to the nRF Edge Impulse mobile application that can be used to sample training and test data from the Nordic Thingy:53 sensors. The sampled data can be used to train machine learning models in the Edge Impulse Studio. Trained machine learning models can be deployed to the Nordic Thingy:53 through Bluetooth® Low Energy using the nRF Edge Impulse mobile application. The firmware has been developed using the nRF Connect Software Development Kit (SDK).

The preprogrammed firmware on the Nordic Thingy:53 can be easily updated through Bluetooth Low Energy to other samples from the nRF Connect SDK using the nRF Programmer application for iOS and Android or through Universal Serial Bus (USB) using the nRF Connect Programmer.

The firmware can be updated and debugged also by using an external programmer or debug probe, for example, the nRF5340 Development Kit (DK) or a J-Link device supporting Arm® Cortex®-M33.

The Nordic Thingy:53 integrates the nRF5340 SoC which supports Bluetooth Low Energy, 802.15.4, and Near Field Communication (NFC) as a passive tag. The Nordic Thingy:53 integrates also the nRF21540 RF Front-End Module (FEM) for extended range and the nPM1100 Power Management Integrated Circuit (PMIC) for power management and charging of the 1350 mA Lithium-polymer (Li-Poly) battery.

Source code for firmware, hardware layout, and schematics are available on the Nordic web site

The Nordic Thingy:53 has two 2.4 GHz antennas. One of them is connected to the nRF5340 SoC through an RF switch for TX output power up to +3 dBm. The other one is connected to the nRF21540 RF FEM with TX output power up to +20 dBm.

NFC in the Nordic Thingy:53 operates as a passive tag which means that it does not feature a reader function. The Nordic Thingy:53 can use the tag function for the Out of Band (OOB) pairing feature as described in the Bluetooth Core Specification.

Key features of Nordic Thingy:53

nRF5340 aQFN94 SoC

nRF21540 RF FEM

nPM1100 PMIC

Environmental protection: Waste electrical products should not be disposed of with household waste.
The universal recycling symbol
The battery in this product shall not be replaced by users themselves. Batteries should be removed only by qualified professionals due to the following safety concerns:
  • Replacing the battery with an incorrect battery type can cause a fire or explosion.
  • Disposing the battery into a fire or hot oven, crushing it mechanically, or cutting it can cause an explosion.
  • Leaving the battery in an environment with an extremely high temperature can cause an explosion or the leakage of flammable liquid or gas.
  • Subjecting the battery to extremely low air pressure can cause an explosion or the leakage of flammable liquid or gas.

The Nordic Thingy:53 shall not be operated outside the internal battery’s discharge temperature range between –20°C and +60°C or stored or transported outside the internal battery’s storage temperature range between –20°C and +30°C.