STM32L0 + SX1272 IoT Module

Project Overview

This project is a compact, low-power IoT hardware design integrating the STM32L072CBT6 microcontroller and SX1272 LoRa transceiver. It is designed for wireless sensor networks, data logging, and remote monitoring, with a focus on energy efficiency, long-range communication, and flexible sensor integration.

Key Features

• Ultra-Low Power STM32L072CBT6 MCU
  • ARM Cortex-M0+, 192 KB Flash, 20 KB RAM
  • Integrated LoRaWAN® and Sigfox stack
  • Multiple low-power modes for extended battery life
• Long-Range SX1272 LoRa Transceiver
  • High sensitivity (-137 dBm) and RF output up to +20 dBm
  • Supports LoRaWAN® and proprietary communication protocols
  • Reliable long-range, low-power wireless connectivity
• Battery Management & Power Distribution
  • Supports lithium-ion/polymer batteries
  • Efficient power regulation and battery charging
  • Optimized for ultra-low power consumption
• USB Sensor Terminal
  • USB interface for sensor communication, data logging, and debugging
  • Can act as a power source or communication bridge
• Versatile Sensor & Peripheral Connectivity
  • Multiple GPIOs, I²C, SPI, and UART for sensor expansion
  • Ideal for environmental monitoring, industrial automation, and asset tracking

Applications

• Smart Agriculture – Soil moisture, weather stations, irrigation control
• Asset Tracking – Logistics, fleet monitoring, theft prevention
• Industrial IoT – Predictive maintenance, environmental monitoring
• Smart Cities – Air quality monitoring, streetlight automation

Conclusion

This design offers a scalable, power-efficient solution for LoRa-based IoT applications with long-range communication and robust sensor connectivity. Its modular approach ensures easy adaptation for various industries while maintaining ultra-low power consumption.

Gallery

Video Gallery