Light on/off WiFi
Last updated
Last updated
Light on/off WiFi is similar to the original mode as it detects light - a message is sent every time a predefined threshold (% of light detected) is crossed either way. Can be set up to detect a very low light percentage threshold - darkness and extreme darkness (useful for monitoring package opening in the night). All mode-specific events are sent with 3 MAC addresses for better localisation precision.
Light on/off WiFi
Hex value: 0x1A
Use cases: Monitoring electricity usage, buildings and rooms, detecting opening of packages, freezers, safeboxes etc. and more
Devices that support this mode: SimplePack Plus
Required sensors: Light sensor, WiFi module
Mode-specific deltas:
Deltas are mode-specific register values different from register default values.
Mode-specific events (uplink messages):
For more information on what uplink messages (mode-independent events) and additional data from various sensors in the device (appended payload) can be sent regardless of mode and how to fine-tune message behavior (alerts), see Mode-independent information and events.
Registers relevant for this mode:
Similar modes:
Switching to mode, arming and disarming information:
Follow the Basic Operations With SimpleHw Devices guide, where you can also find information about LED behavior, relevant Sigfox messages and more.
Here’s what’s important for Light on/off WiFi messages:
To set this mode, the downlink needs to include this mode register setting: 011A
The uplink messages need to begin with the mode hex as the first byte: 1A
When arming the device, you should see this message: 1A10
When the device is armed, it should send you these two bytes: 1A11
If you disarm the device via long press, you should receive this message: 1A14
Register (hex)
Default (hex)
Delta (hex)
Delta information
0x04
0x41
0x06
Sleep time decreased
0x36
0x00
0x05
Light detection on
Hex
Event name
Alert
Event information
0x90
Light detected with WiFi 1/2
1
Light % over predefined threshold, sent with 3 MAC addresses
0x91
Light detected with WiFi 2/2
1
0x92
Darkness detected with WiFi 1/2
2
Light % under predefined threshold, sent with 3 MAC addresses
0x93
Darkness detected with WiFi 2/2
2
Hex
Register name
Default value (hex)
0x36
Light sensor measurement period
0 seconds (0x00), delta: 5 seconds (0x05)
0x43
Light sensitivity hysteresis
5% of light (0x05)
0x44
Light sensitivity threshold
30% of light (0x1A)
0x4C
Light sensor detection delay
0 seconds (0x00)
Hex
Mode name
Description
0x0D
Light on/off
Original version of Light on/off, no WiFi
0x3B
Light on/off WiFi Atlas
WiFi Atlas version of Light on/off
0x56
Light on/off WiFi Precise
WiFi Precise version of Light on/off