The Generic Node (Sensor Edition) is a versatile LoRaWAN® sensor node designed for secure, scalable, and energy-efficient IoT deployments. It integrates multiple sensors and peripherals, making it ideal for building smart applications with ease using the provided SDK. With end-to-end encryption and firmware updates delivered over the air, the device ensures data integrity and long-term security. Its sleep-mode current of ~1.8 μA and standard AA battery support provide multi-year operation at minimal cost. Consistency from manufacturing to installation delivers strong scalability benefits for large-scale projects. Features Secure communication with end-to-end encryption OTA firmware updates for easy maintenance Ultra-low power consumption for extended battery life 2×AA alkaline batteries, easily replaceable Open hardware and software development tools Pre-configured for The Things Industries LoRaWAN® Network Server Open-source design accessible on GitHub STM32WL55CCU6 dual-core microcontroller with sub-GHz radio Built-in sensors for temperature, humidity, and motion detection User-friendly interface with button, RGB LED, and buzzer Application Hospital Retail Smart Building Smart City Agriculture Smart Office 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 User Manual Hardware Software Architecture Temperature and humidity sensor Datasheet ULP 3-axis accelerometer Datasheet LoRaWAN Secure Element Datasheet 16 Mbit Flash Memory Datasheet Certification HSCODE 9025800090 USHSCODE 9025801000 UPC EUHSCODE 9013101000 COO CHINA Part List Sensor Node x1 User Guide x1
