When the connection/acquisition fails in the above steps, there are corresponding back-
off strategies and reconnection mechanisms to ensure that the device is stable and keep
online.
5.Upgrade
The module connects to the upgrade server, downloads and updates to the latest version
of the firmware to realizes the online upgrade of the device.
4.4 Timer function
The timer function is configured through the APP, and the timer is divided into the
following four types:
1. Single timer: executeat a specified time.
2. Count downtimer: execute after the setting time.
3. Repeattimer: repeat the operation every week.
4. Looptimer: repeat the operation every setting time.
4.5 Timer function description
PSF-B01 supports timer. The eWeLink APP provides four timing modes to facilitate the
use in more scenarios.
1. Single timer: This is the most common timing setting, allowing users to set the work
schedule of the device. For example, turn on/off the device at 8:30 am every
Wednesday, etc. It is similar to the setting of an alarm clock, timing is very convenient to
use especially for devices that are repeatedly running at certain moments.
2. Count downtimer: The count down is to facilitate the user to perform one-time timing
operations, such as turn on/off the device after 30 minutes. It is very convenient to turn
off a device after running a period of time. This device supports up to 24 hours of count
down.
3. Repeat timer: Repeat the operation every week. For example, set an alarm clock for
working time. After the time is set, select execute dates (a week optional), and the alarm
clock will turn on at the set time within the selected days.
4. Looptimer: The loop timing released by eWeLink allows the device to execute
continuously from a certain time. For example, let the tank’s oxygen pump open once
every hour from now, and close after 20 minutes of running, and then repeat the
automatic cycle to ensure sufficient oxygen of the fish tank without manual intervention.
5.Wi-FiRadio Frequency Index
Conditions: VDD=3.3V±10% , GND=0V ; test at room temperature 25°C.
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