Ublox EVK-NINA-B1, User Manual

Page: 11 / 21

EVK-NINA-B1 - User guide
UBX-15028120 - R11 Product description Page 11 of 21
Figure 6: Peripherals connection pin header of EVK-NINA-B1
1.7.3 NFC antenna interface
The NFC antenna interface is available on the J11 connector. The default configuration is shown in
Figure 7. 0
Ω
resistors are mounted on R15 and R16. This connects the J11 NFC antenna connector
to pins 28 and 29 of the NINA-B1 module. If NFC is not needed, and pins 28 and 29 are used as GPIOs
available on connector J3, then resistors on R15 and R16 should be removed and instead mounted on
R13 and R14.
Figure 7: NFC antenna interface J11 of EVK-NINA-B1
1.7.4 Current measurement
The EVK-NINA-B1 offers the possibility to measure current consumption for the NINA-B1 module.
Figure 8: Current measurement pin header J15 of EVK-NINA-B1
The current consumption for the NINA-B1 module on the EVK-NINA-B1 can be measured in two ways
as explained in the following subsections.