User's Guide
Table Of Contents
- Contents
- Revision history
- Introduction
- Kit content
- Getting started
- Firmware
- Firmware update
- Hardware description
- Regulatory notices
- Glossary
- DK (Development Kit)
- GPIO
- Global Positioning System (GPS)
- Integrated Development Environment (IDE)
- MCUboot
- Near Field Communication (NFC)
- Personal Unblocking Key (PUK)
- Software Development Kit (SDK)
- SEGGER Embedded Studio (SES)
- Subscriber Identity Module (SIM)
- System in Package (SiP)
- System on Chip (SoC)
- User Equipment (UE)
- Universal Integrated Circuit Card (UICC)
- Universal Serial Bus (USB)
- Acronyms and abbreviations
- Legal notices
6
Hardware description
This chapter focuses on the hardware components of Nordic Thingy:91 with detailed descriptions of the
various hardware blocks that are present on the device.
The sensors available in Nordic Thingy:91 are not calibrated in production. Nordic Semiconductor does
not specify the accuracy of measurements. Users who want to reuse parts of this design to create
measurement devices should conform to documentation of the specific sensors.
6.1 Block diagram
The block diagram represents interactions between hardware components on Nordic Thingy:91.
USB Power switch
PMIC nRF9160
GPS LNA
Power switchBattery
SWD selectDebug in
Current
measurement
Accelerometers
Environmental
sensor
SIM card
NMOS
transistors
LEDs
RF switches/
matching
network
LED driver
Color sensor
Buzzer
Buzzer driver
nRF52840
Current
measurement
Spare GPIO
connector
Button
Matching
network
Button
NFC passive tag
antenna
RF
1.8 V3.3 V
Antenna
Antenna
Figure 13: Nordic Thingy:91 hardware block diagram
6.2 Hardware figures
The hardware figures show elements on both sides of the Nordic Thingy:91 PCB.
4418_1336 v1.2
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