u-blox XPLR-HPG-1 User Manual page 26

High precision gnss evaluation platform
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XPLR-HPG-1 - User guide
In the other use scenario shown in
Figure
18, WT/DIR data is communicated to ZED-F9R, without an
external cable, through the NORA-W1 multiradio module over the UART (microBUS 1 or 2 only) or I2C
interface.
Figure 18: Wheel tick/ Direction flow I2C or UART scenario
The circuit diagram in
Figure 19
shows the components and interconnections of the WT/DIR
subsystem.
Figure 19: Wheel tick and direction connector (J2) and conditioning circuit
UBX-23000692 - R01
Hardware description
Page 26 of 37
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