EVK-JODY-W3 - User guide
UBX-20030840 - R02
Board description
Page 24 of 29
4.11
LEDs
Table 12 describes the function and designation of the available LEDs on the EVK-JODY-W3
evaluation board.
Function
Description
Designator
Color
VDD_EXT
External voltage supplied
D401
Green
VBAT
Main power supply (VBAT) status indication
D402
Green
VIO
VIO Supply (1.8 V or 3.3 V)
D403
Green
1V8
Aanalog power supply and SDIO (1V8)
D404
Green
VDD_3V3
Board voltage to supply for audio codecs, LEDs
D405
Green
WLAN
Wi-Fi activity signal from module GPIO
D406
Yellow
BT
Bluetooth activity signal from module GPIO
D407
Blue
Table 12: LED Description
Remove jumper J411 for accurate power measurement of the average power in low power sleep
modes. With the jumper removed all LEDs will be off.
Figure 22: LED enable jumper
☞
Wi-Fi and Bluetooth activity signals from the module are not supported. WLAN and BT LEDs
have no function.
4.12
Schematics
Complete schematics for the JODY-W3 evaluation board (carrier and module board) are available on
request. For further information, contact your local u-blox support team.
J411