XPLR-IOT-1 - User guide
UBX-21035674 - R03
Hardware architecture
Page 7 of 42
C1-Public
2
Hardware architecture
shows block diagram of XPLR-IOT-1.
Figure 2: XPLR-IOT-1 block diagram
describes the functions and color codes for the various technologies shown in
Identifying color
Technology
Function
u-
blox “
h
ero red”
u-blox module
MCU, Bluetooth, Wi-Fi, Cellular, GNSS
Green
I2C
Sensor bus, Qwiic-compatible expansion port
Dark Gray
Asynchronous serial
UART connections between modules
Blue
USB
Personal computer connection
Light Blue
Memory
Quad SPI flash
Gray
Power, buttons, indicators
Power switch, battery, charging circuit, user input and output
Table 1: Technology color coding
The XPLR-IOT-1 hardware design is available in PDF and Altium formats from the XPLR-IOT-1
hardware repository