Seeed Studio Generic Node (Sensor Edition) is an ultra-low power LoRaWAN node designed for multi-sensor IoT applications. It accelerates the LoRaWAN device development lifecycle by providing reference hardware designs and source-available firmware, making it ideal for IoT prototyping and scalable production.
Key Highlights
Generic Node (Sensor Edition) integrates multiple on-board sensors and peripherals. With the provided SDK, developers can easily build IoT solutions for smart buildings, agriculture, healthcare, and smart cities.
Featuring end-to-end encryption and firmware over-the-air updates, this secure and roaming-ready device ensures long-term reliability. Powered by standard replaceable AA batteries, it can last for years in the field with ultra-low power consumption.
- End-to-End Encryption for secure data transmission
- Firmware Over-The-Air Updates for easy remote maintenance
- Ultra-Low Power Consumption: ~1.8 μA in sleep mode
- Standard Replaceable 2xAA Batteries for long-lasting operation
- Open Development Tools: Hardware Setup (Sensor Edition Hardware Setup ) and Software Setup (Sensor Edition Software Setup )
- Pre-Provisioned on The Things Industries LoRaWAN Network Server (The Things Network)
- Open Design (source-available) via GitHub
- STM32WL55CCU6 Dual-core M4/M0+ SoC with integrated low-power microcontroller and sub-GHz long-range radio
- Onboard Sensors: Measure temperature, humidity, and detect movement/vibration with high accuracy
- User Interface: Includes a button, RGB LED, and buzzer for input and feedback
Application
- Hospital – Monitor environmental conditions and patient safety
- Retail – Track indoor air quality and occupancy
- Smart Building – Enable intelligent automation and monitoring
- Smart City – Support large-scale IoT deployments
- Agriculture – Monitor soil, climate, and crop conditions
- Smart Office – Enhance workplace efficiency and comfort
Specifications
| Air Temperature | |
| Range | -40 to 125 °C |
| Accuracy | ± 0.2 °C |
| Response time (τ63%) | 8 s |
| Air Humidity | |
| Range | 0 to 100 %RH |
| Accuracy | ± 2 %RH |
| Response time (τ63%) | 5 s |
| Accelerometer | |
| Full Scales | ±2g/±4g/±8g/±16g |
| Output Data Rates | 1Hz to 5.3 Hz |
| Operating Temperature | -40 to +85 °C. |
| General Parameters | |
| Microcontroller | STM32WL55CCU6 Dual-core M4/M0 + SoC |
| Flash | 256 Kbytes |
| SRAM | 64 Kbytes |
| External Flash | 16 Mbit |
| Support Protocol | Based on LoRaWAN v1.0.2 protocol |
| Frequency | 150MHz - 960MHz |
| LoRa Power Output | up to +14dBm (EU868),+22.00 dBm (US915) |
| Support modulations | LoRa, (G)FSK, (G)MSK, and BPSK |
| Current Consumption | ~1.8 μA (sleep mode w/RTC) |
| Communication Distance | 1 to 5km (depending on gateway antenna and environments) |
| IP Rating | IP 65 |
| Operating Temperature | -40 to +85 °C |
| Operating Humidity | 0 to 100 %RH |
| Device Weight | 80g |
| Certification | CE |
| Battery (* Not contained in equipment) | |
| Alkaline Battery | standard 2xAA |
| Battery Life | ≥ 4 years |
| Other battery Voltage | 2.2V to 5.5V |
Hardware overview
Programming / debug pins - there are 7 pins.
- NRST - reset
- SWD / PA13 - programming/debug pin (bi-directional data pin)
- CLK / PA14 - programming/debug pin (clock signal)
- TxD / PA2 - serial pin (serial communication transmit data)
- RxD / PA3 - serial pin (serial communication receive data)
- GND - ground
- VCC - voltage out, 2.8 V
User GPIO pins - there are 7 pins.
- PB3 - SWO / RTS / internally connected to the user button
- PA15 - internally connected to the piezo speaker
- PA12 - I2C, SCL
- PA11 - I2C, SDA
- VCC - voltage out, 2.8 V
- GND - ground
- VIN - voltage in
Documents
Certification
| HSCODE | 9025800090 |
| USHSCODE | 9025801000 |
| UPC | |
| EUHSCODE | 9013101000 |
| COO | CHINA |
Part List
| Sensor Node | x1 |
| User Guide | x1 |