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Connect UnaProtect IoT sensors to Ubidots

Learn how to connect the UnaBiz Magnetic Sensor to Ubidots.

Santiago Pachon Robayo avatar
Written by Santiago Pachon Robayo
Updated over a week ago

The UnaProtect uses a magnetic sensor to detect opening and closing doors, windows, or drawers. Following this guide, you will be able to decode the data from the UnaProtect to capture and count the reed switch on/off change.

The functionality of the UnaProtect depends on its Mode configuration, it can be:

  • Timer Mode: Count reed switch change over a period of time.

  • Event Mode: Capture reed switch on/off change.

Requirements

Table of contents

1. Understanding the data

Here’s how the data is being decoded according to the documentation to capture or count the reed switch changes. It is important to keep in mind that the decoding depends on the mode in which the sensor is configured.

1.1. Timer mode data

The following payload structure is an example of the data being sent from Sigfox to Ubidots specifically for an UnaProtect sensor configured for Timer Mode.

{
"device_id": "410902"
"data": "018b000b000a000b000a00b00a",
}

Sample data from Sigfox Sensor: 018b000b000a000b000a00b00a

  • 0x01 - Mode Byte #0

  • 0x8b - Interval Byte #1

  • 0x00 - Activity 1/10 Byte #2

  • 0x0b - Activity 2/10 Byte #3

  • 0x00 - Activity 3/10 Byte #4

  • 0x0a - Activity 4/10 Byte #5

  • 0x00 - Activity 5/10 Byte #6

  • 0x0b - Activity 6/10 Byte #7

  • 0x00 - Activity 7/10 Byte #8

  • 0x0a - Activity 8/10 Byte #9

  • 0x0b - Activity 9/10 Byte #10

  • 0x0a - Activity 10/10 Byte #11

Bytes in Total: 12

1.2. Event mode data

The following payload structure is an example of the data being sent from Sigfox to Ubidots specifically for an UnaProtect sensor configured for Event Mode.

{
"device_id": "410902"
"data": "0201",
}

Sample data from Sigfox Sensor: 0201

  • 0x02 - Mode Byte #0

  • 0x01 - State Byte #1

Bytes in Total: 2

NOTE: The state byte represents the object current status, It can be:

  • 0x01: Closed

  • 0x02: Opened

2. Decoding function at Sigfox Plugin

Step 1: Go to the Sigfox plugin and open the Decoder option.

image.png

Step 2: Find the Decoding function Section. Here’s where we are going to start decoding the data coming from the UnaProtect.

image.png

Step 3: Copy and paste the code below into the code editor replacing the decode_data() function.

def decode_data(hex_array):
payload = {}
status = hex_array[0]
if status == 0 or status == 4:
voltage = (int(hex_array[1:3].hex(), 16))/1000
payload["voltage"] = voltage
elif status == 1:
payload["activity_count"] = int(hex_array[2:12].hex(), 16)
elif status == 2:
payload["state"] = int(hex_array[1:2].hex, 16)
return payload

Save the code by clicking on the "SAVE & MAKE LIVE" button.

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