Elecrow ThinkNode M1 Walkie-Talkie- LoRa Meshtastic Transceiver | With 1.54inch EPD Screen|GPS function|nRF52840-With Case-868/915MHz

Elecrow ThinkNode M1 Walkie-Talkie- LoRa Meshtastic Transceiver | With 1.54inch EPD Screen|GPS function|nRF52840-With Case-868/915 MHz

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 EPD (Electronic Paper 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.

User Manual / Datasheet / Example Codes Etc.

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. Designed for fieldwork, hiking, and emergency response, it ensures continuous operation and reliable power during extended outdoor activities.
• 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;

Specifications

• CPU/SoC: 32-bit Arm® Cortex™-M4 CPU at 64 MHz with FPU (Floating Point Unit)
• System Memory: 256 KB RAM
• Storage: 3 MB Flash memory (external 2M Flash chip)
• Firmware: Meshtastic firmware is fully compatible, and the signal is transmitted in LoRa mode
• EPD Display(Electronic Paper Display)
• Size: 1.54 inch-EPD(monochrome ink screen)
• Display Materials: E-Paper （Electronic Ink）
• Resolution: 200*200 or more
• Driver Chip: SSD1681 (Via SPI or I2C interface)
• Global Fresh Time: 2s
• Wireless Communication
• Bluetooth: Bluetooth Low Energy and Bluetooth 5(phone configuration)
• LoRa:SX1262 LoRa Transceiver、US 915MHz/EU 868MHz(External antenna)
• LoRa Transmit Power: +22dbm
• Hardware
• Interface: Type-C Interface、RP-SMA Interface
• Function: GPS Location(GPS, GLONASS, BeiDou, QZSS)、EPD Display、RTC、USB2.0、 PMU power management (built-in 1200mAh lithium battery), buzzer, etc.
• Button: Knob Switch, Function Button, Page Turn Button, GPS Switch, Reset Button
• LED Indicator: Power supply, GPS/LoRa indication
• Other
• Power Input: 5V/1A, supports USB or lithium battery power supply
• Power consumption: The maximum working current is about 85mA (CPU+LoRa transceiver), and the low power consumption is about 5.6μA
• Operating Temperature: -10~50°C
• Storage Temperature: -20~60 °C
• Relative humidity: 10%-95%, @ 40°C (non-condensing)
• Size: 82*51.6*26.3mm
• Shell: ABS Plastic
• Net weight: 81g (With case)

Package Includes

• 1x ThinkNode M1 Device
• 1x USB-A to Type-C Cable
• 1x Lora Rubber Stick Antenna

Hardware Overview