XPLR-IOT-1 - User guide
UBX-21035674 - R02
Platform description
Page 17 of 39
C1-Public
The other u-blox modules are pre-loaded with u-blox AT command firmware and can be updated with
u-blox provided firmware updates over the respective UART connections.
3.4.1.3
Current measurements
Current flowing into NORA-B1 from the
3V3
supply rail is measured by cutting jumper NC9 and
placing an ammeter or power analyzer across J4, pins 2 and 3, as shown in
. Current sunk by
the GPIO pins is not measured through J4.
⚠
J4, pin 1, is connected to system ground.
Figure 10: NORA-B1 current measurement
Figure 11: NORA-B1 module showing current measurement location
