05. System LED Indications
The system LED indicates the current device status.
LD4
and LD8
on the STM32 Discovery Kit (B-L4S5I-IOT01A) operate as system LED.
LED1 (LD8) is red, and LED2 (LD4) is blue.

LED1 Patterns
LED1 is the network status indicator.
Condition | LED Pattern | Notes |
---|---|---|
Power Off | ![]() | |
Immediately after boot | ![]() | |
This device has not been registered to NEQTO Console | ![]() | |
Out of service area | ![]() | |
Within service area | ![]() | |
Connection Strength (When the antenna level indication function is enabled) | ![]() |
LED2 Patterns
LED2 is the NEQTO service status indicator.
Event | LED Pattern | Notes |
---|---|---|
Power Off | ![]() | |
Starting script | ![]() | |
Connecting to NEQTO Console | ![]() | |
Script running | ![]() | |
Firmware update mode in-progress | ![]() |
LED1/LED2 Simultaneous Operation
LED1 and LED2 operate simultaneously in special cases.
Event | LED Pattern (Top: LED1, Bottom: LED2) | Notes |
---|---|---|
Entering User Console Mode | ![]() ![]() | Displays until the 'start' command is executed |
Updating Firmware | ![]() ![]() | Flashes both irregularly. |
Updated: 2021-08-23