Table 1-1. LED Indicators
LED Color
Type
Indication
Details
Label
Pattern
Blue
WIFI
Solid Blue
Wi-Fi Network Connection Indicates a successful connection to
the local Wi-Fi network.
Blinking Blue
(slow blink)
Soft AP Mode
Indicates that the board can be
detected and used as a Wi-Fi
access point. For details, refer to
Section
Blinking Blue
(fast blink)
Wi-Fi Network Connection
Indicates that the board is trying to
establish a successful connection to
a Wi-Fi network. In combination with
a blinking green LED, it means that
the board is trying to connect to the
network using default Wi-Fi
credentials.
Green
CONN
Solid Green
AWS Cloud Connection
Indicates a successful MQTT
connection to AWS Cloud.
Blinking
Green
AWS Cloud Connection
Indicates that the board is trying to
establish a MQTT connection to
AWS Cloud
Yellow
DATA
Blinking
Yellow
Data Publication to the
Cloud
Indicates that sensor data in the
form of MQTT packet has been
successfully published to AWS
Cloud.
Solid Yellow
for ON state,
LED Off for
OFF state for
extended time
State of Toggle sent within
MQTT publish packet
Indicates the state of the Toggle
switch (ON = 1 / OFF = 0), received
as part of the packet published by
AWS Cloud on the subscribed topic.
Red
ERROR
Solid Red
Error Status
Indicates an error in the application.
1.3
Switch Button Use Cases
The AVR-IoT WA board also has two switches that can be used to enter modes at power-up:
• Hold SW0 for two LED cycles to enter Soft AP mode (refer to Section
• Hold both SW0 and SW1 to use default Wi-Fi credentials. The default credentials are configurable through
MCC, and the application uses the following default values:
Table 1-2. Wi-Fi Credentials
SSID
Password
MCHP.IOT
microchip
AVR-IoT WA User Guide
Overview
©
2020 Microchip Technology Inc.
User Guide
DS50002998A-page 4