ThinkNode-M1_Transceiver Device(Meshtastic)_Power By nRF52840¶

Description¶

Elecrow ThinkNode-M1 is a high-performance multi-function device integrating advanced wireless communication technology and multiple sensors. It is designed for outdoor adventures, environmental monitoring, and emergency communications. It uses nRF52840 as the main processor and supports Bluetooth. Users can easily configure and monitor it through their mobile phones. M1 comes pre-installed with Meshtastic firmware. Combined with the SX1262 wireless chip, the device can efficiently send and receive LoRa signals, providing users with reliable long-distance communication capabilities. M1 is perfectly compatible with the Meshtastic official App. Users can use the App to configure and manage device parameters, message communication, map and location sharing, network status monitoring, data recording and exporting, custom settings, etc.

The built-in 1.54-inch EDP display can view data and device status in real-time, which is convenient for users. In addition, M1 has a built-in 1200mAh rechargeable battery with a battery life of more than 48 hours, which meets the needs of long-term outdoor use. The external LoRa antenna supports different frequency selections. The device adopts an integrated closed shell design, which is compact, easy to carry, and durable. The built-in GPS module of M1 can provide accurate positioning in any environment and can be used as an independent communication tool in the absence of network coverage or in emergencies to protect the safety of users.

With a highly integrated design concept, ThinkNode-M1 integrates advanced communication technologies such as LoRa and GPS to achieve efficient connection and data exchange between devices. Whether in remote areas where cellular networks are not covered or in emergencies, M1 can be a reliable independent communication tool to provide users with critical safety protection.

Self-developed by Elecrow with exclusive design.

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

Model CIL12901M-1

Hardware Overview¶

1. Switch/backlight Adjustment: You can control the brightness of the front light and realize the on/off function at the same time.

2. GPS Positioning Switch：GPS on or off.

3. Function Button: Function keys, click to send ping, double-click to turn on/off the front light; triple-click to trigger/off the buzzer; long-press to enter low-power mode.

4. Page Switch: Realization of the screen's page flip.

5. Reset Button: Use the card pin to press to reset, and double-click to enter burn-in mode.

6. Type-C Interface ：Enables charging and firmware burning.

7. Status Indicator:

Blue light, blinks when buzzer is on (red and blue lights blink alternately).

Red light,red light is always on after power on,red light blinks when charging,always on when full,red light blinks when the battery is low,blinks when the buzzer is on(red and blue light blinks alternately),red light goes out when the power is off/goes into low power consumption.

Features¶

• Thinknode M1’s firmware is adapted to the Meshtastic protocol, it can realize efficient and stable transmission and reception of Lora signals;
• Built-in GPS module, providing accurate positioning functions including GPS, GLONASS, BeiDou, QZSS;
• RTC clock can keep accurate time records even when power is off, and can realize faster hot start of the device, support interruption/wake-up；
• 1.54-inch EPD display screen for real-time viewing of data and device status;
• Built-in 1200mAh lithium battery, it can work continuously for more than 48 hours;
• Low power consumption, the maximum working current is about 85mA (CPU+LoRa transceiver), and the low power consumption is about 5.6μA
• Compatible with the Meshtatic official App. Users can use the App to configure and manage parameters of the M1 device, communicate messages, share maps and locations, monitor network status, record and export data, customize settings, etc.;
• The closed shell with integrated design is compact and portable, easy to carry and durable;
• External LoRa antenna ensures the stability and efficiency of signal transmission;

Specification¶

Usage¶

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 app, select the top far right and click on Configuration, click on the + in the bottom right corner to find the Meshtastic Bluetooth device.

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

Enter this code on your cell phone

After successful Bluetooth pairing, you need to select a new region at the region again.

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.

Mutual Messaging Interface.

A-end:

B-end:

Burning Firmware¶

1) Double-click the RST key and the machine enters the burn-in mode.

2) Connect the ThinkNode-M1 to the computer with a TYPEC and the computer will display a USB flash drive device.

3) Open this USB flash drive firmware in this computer and drag the factory firmware into this file.

Resources¶

Github link：(Firmware update coming soon)

• firmware

How to buy¶

Please visit this page to purchase ThinkNode M1 Meshtastic (LoRa) Signal Transceiver Powered .

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.