ThinkNode M6 Outdoor Solar Power for Meshtastic, Powered By nRF52840 Supports GPS¶
Model LMM14106D
Hardware Overview¶
Dual SP11 waterproof aviation interfaces support IIC/UART, enabling quick access to various sensors, such as temperature, humidity, gas, and soil sensors etc. the IIC interface is located near the antenna, while the UART interface is positioned further down. You may connect appropriate sensors according to your requirements.
Commonly used in weather stations, smart agriculture, and outdoor monitoring equipment:
Temperature and Humidity：
SHT20/SHT30/SHT31 Industrial Probe Version (I²C)
AM2315C Industrial Version (I²C)
Gas-related：
CO₂: MH-Z19, SenseAir S8(uart)
TVOC/Formaldehyde: ZG09, ZE08-CH₂O(uart)
Usage¶
Button Function and Indicator Light:¶
Multifunction Key (PWR):
Long press: Device powers on; 3 seconds: Red light illuminates
Long press: Red light flashes 5 times (500ms) to power off (enters low-power mode);
Double-click: Updates node/device location information;
Triple-click: Enable/disable GPS;
Reset Button:
Single-click: Resets device (does not affect solar charging)
Double-click: Press twice within 250 ms to enter programming mode (insert USB)
PWR (Power) (Red):
Device power-on: When powered on and operational, red light illuminates for 10 seconds; extinguishes upon shutdown (10-second illumination period due to low-power requirements)
Charging Indication: When charging via USB or solar (light exposure), the indicator remains steady.
Low Battery Alert: When voltage ≤ 3.5V, a low-battery warning triggers with slow flashing (0.2Hz).
DATA (Blue):
Transmitting/Receiving Data: Rapidly flashes (5Hz) when the device is sending or receiving LoRa data.
Burning Firmware¶
Press twice within 250 ms to enter DFU mode.
ClickMeshtastic firmware to visit the Meshtastic firmware flashing website.
1,Select the corresponding firmware.
2, follow the steps to download the firmware.
Scenario Applications:¶
Conducting hiking and scientific sampling activities in a remote valley. A treetop node equipped with a ThinkNode M6 was utilised as a Meshtastic relay point to facilitate message exchange and location sharing among the team.¶
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.
1 Android App Usage Guide¶
2 iOS App Usage Guide¶
Prepare two mobile phones with Meshtastic APP installed and two thinknode M5\M1\M2 devices.
Android App(Version 2.6.30)¶
Open 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.(You need to turn on Bluetooth on your mobile phone.)
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.
¶
How to buy¶
Please visit this page to purchase ThinkNode M6 Outdoor Solar Power for Meshtastic.
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.