BLE function For Indoor and Outdoor Positioning¶

Description¶

ThinkNode-M3 LoRaWAN Tracker - High-precision Positioning Device¶

The ThinkNode-M3 LoRaWAN Tracker is a high-performance device designed to provide excellent service for users who are looking for a covert and reliable tracking solution.

It is lightweight, easy to carry and install, and can ensure accurate location tracking whether it is worn on the body, fixed to a vehicle, or placed discreetly in any location.

It integrates advanced GPS, Bluetooth, and Wi-Fi technologies to achieve seamless positioning indoors and outdoors.

The ThinkNode-M3 LoRaWAN Tracker uses a magnetic charging design, sends a message once a minute, and can work for up to 18 hours.

In addition to location tracking, it can also monitor ambient temperature, humidity, and movement status. The device is equipped with a one-click alert function to quickly send out a distress signal in an emergency.

Also, the IP66 protection rating ensures the durability and reliability of the device in various harsh environments, making it an ideal choice for a variety of application scenarios.

LoRaWAN Tracker is ideal for use in schools, industrial sites, warehouses, hospitals, and event venues where precise tracking and environmental monitoring are required. Whether it's asset management, security monitoring, or environmental data collection, LoRaWAN Tracker provides a reliable solution.

For customized requirements (based on MOQ), please contact us at service@elecrow.com.

Model ILM13803D

Hardware Overview¶

Specification¶

Main control IC	nRF52840
LoRa Chip	LR1110
LORA Frequency	EU868/US915
Sensitivity requirement	-140 dBm or above
Maximum transmission power	+20 dBm
Transmission rate range	1.76~62.5Kbps
LoRa frequency range	860MHz-960MHz
Communication distance	5~6 kilometers
Bluetooth	Bluetooth 5.0
GNSS Location	Support GPS/GLONASS/GALILEO/BDS
GNSS Sensitivity	-148dbm (cold start) -156dbm (hot start)-160dbm (recapture) -162dbm (tracking)
GNSS Positioning accuracy	<1.5m（CEP50）
Sensors	Temperature Sensor, humidity Sensor, accelerometer
Indicator	One Red/Green/Blue three-color indicator light
Button	Power On/Off/SOS Trigger
Battery Capacity	760mAh, lithium battery
IP Rating	IP66
Operating temperature	-20℃-+60℃
Charging method	Magnetic charging
Antenna	Internal onboard antenna (GNSS/LORA/WIFI/BLE)
Power Supply	5V DC
Size	L/W/H: 646410 (mm)Fixed Base: 686810.2 (mm)
Material	PC+ABS
Certificate	CE / FCC
Net Weight	40g

Usage¶

Button Function Guide:¶

Press and hold for 3 seconds to power on. Upon startup, the red indicator light illuminates for 5 seconds while the buzzer sounds for 2 seconds before stopping. After 3 seconds, the blue light flashes continuously, indicating readiness for connection (searching for Bluetooth).
Press and hold for 5 seconds to enter sleep mode. The red light flashes rapidly for 3 seconds while the buzzer sounds for 3 seconds.
Press and hold continuously for 10 seconds to reset, forcing the device to restart.

USB Instructions:¶

Enter programming mode by holding the reset button for 20 seconds. The computer will display an ‘ELECROWBOOT drive’; select the firmware to be programmed and drag it into the drive.
Hold the reset button for 10 seconds to exit programming mode, then press it for 3 seconds to power on the device.
Should the device become bricked, connect it to a computer via USB to restart it.

Before use, please ensure the firmware has been downloaded. (The corresponding firmware is also provided prior to shipment.)¶

Burning Firmware（coming soon）¶

example 1:¶

The following outlines the procedure for transmitting signals to the designated relay point.¶

How to obtain the app:

1: Visit the Google Play Store (https://play.google.com/), search for ‘meshtastic’, locate the app, and download it for installation.

2: Visit the official Meshtastic website (https://meshtastic.org/downloads/) and download the software.

Before use, press and hold the power button for three seconds to switch on:

Prepare two mobile phones with Meshtastic APP installed and two thinknode M5\M1\M2 devices.

Android App Usage GuideiOS App Usage Guide

Android App(Version 2.6.30)¶

First go to the app store to download and install the Meshtastic APP

Meshtastic APP Usage:¶

Same settings on the receiving side as on the transmitting side¶

After opening the application, tap ‘Scan’ and select the corresponding Meshtastic device to connect.

When the Meshtastic_xxxx device is searched, tap to enter pairing mode.

Enter this code(123456) on your cell phone(The default code for the ThinkNode M6 is 123456.).

Set LoRa frequency: Tap the settings icon, select ‘Radio Configuration’, then tap the ‘LoRa’ option. Scroll down to the “Add” column and enter the required value in the ‘Coverage Frequency (MHz)’ field corresponding to the desired frequency.

If two devices want to communicate, they need to join to the same channel, this time you need to select the fourth of the five options above, the other end of the phone needs to join to the same channel by scanning the code or entering the link, the channel can be customized name and so on.¶

After joining, the two devices can now chat in the first screen by selecting Group Chat.

iOS App：¶

Same settings on the receiving side as on the transmitting side¶

1)Open the app, tap Bluetooth on the home page and see the device you want to connect. Click on Pairing.

The default code for the ThinkNode M6 is 123456.

2)When the Meshtastic_xxxx device is searched, tap to enter pairing mode.

3)After successful Bluetooth pairing, You need to go to Settings and click on Lora Settings.

4) Set lora Region. and then scroll down to set the frequency. consistent with the previous settings for the region. Finally, check ignore MQTT and save.

5)Go to the information page, select a channel and a QR code will appear, use another device to scan this QR code to enter.

6)Join and start sending or receiving messages.

Video effect demonstration:（coming song）¶

Location services will be available shortly.¶

How to buy¶

Please visit this page to purchase ThinkNode M3 lorawan Tracker.

Support¶

If you have any problem about how to use it, you can connect to us at the bottom-right of bazzer or contact to techsupport@elecrow.com to get technology support.