Introduction
Multiflexmeter 3.7.0 Introduction
Section titled “Multiflexmeter 3.7.0 Introduction”The Multiflexmeter 3.7.0 (MFM) is an open-source IoT sensor platform designed for flexible, low-cost, and frequent environmental measurements in remote locations using LoRaWAN technology.
Purpose
Section titled “Purpose”Multiflexmeter provides a robust, battery-powered solution for environmental monitoring applications such as:
- Soil moisture and temperature monitoring
- Water level measurement
- Agricultural field monitoring
- Remote sensor deployments
- Environmental research projects
Key Capabilities
Section titled “Key Capabilities”LoRaWAN Connectivity
Section titled “LoRaWAN Connectivity”- Long-range wireless: Up to several kilometers in open terrain
- Low power consumption: Optimized for battery operation
- LoRaWAN 1.0.x: OTAA (Over-the-Air Activation) support
- RFM95 radio: 868MHz LoRa transceiver module
Flexible Sensor Integration
Section titled “Flexible Sensor Integration”- SMBus/I²C interface: Standard protocol for sensor communication
- Multiple sensor support: Connect various environmental sensors
- Configurable measurement intervals: Adjust based on application needs
- Sensor auto-detection: Automatic identification of connected sensors
Open Source
Section titled “Open Source”- Hardware: Complete KiCad schematics and PCB designs
- Firmware: C++ source code built with PlatformIO
- MIT License: Free to use, modify, and distribute
- Community-driven: Active development and support
Technical Overview
Section titled “Technical Overview”| Component | Specification |
|---|---|
| Microcontroller | ATmega1284P (8-bit AVR) |
| Flash Memory | 128KB |
| SRAM | 16KB |
| EEPROM | 4KB (for configuration storage) |
| Radio | RFM95 LoRa transceiver (868MHz) |
| Sensor Interface | SMBus/I²C |
| Programming | ISP (In-System Programming) |
| Debug Interface | UART (FTDI-compatible) |
| Power Supply | 3.3V - 5V DC |
Firmware Technology Stack
Section titled “Firmware Technology Stack”The Multiflexmeter 3.7.0 firmware is built using:
- Language: C++ (Arduino framework)
- Build System: PlatformIO
- IDE Support: VS Code, PlatformIO IDE, Arduino IDE (with modifications)
- LoRaWAN Stack: MCCI Arduino-LMIC library
- Development Platform: AVR-GCC toolchain
Use Cases
Section titled “Use Cases”Agricultural Monitoring
Section titled “Agricultural Monitoring”Deploy Multiflexmeter devices across fields to monitor soil conditions, enabling precision agriculture and optimized irrigation.
Water Level Monitoring
Section titled “Water Level Monitoring”Track water levels in reservoirs, rivers, or irrigation channels using ultrasonic or pressure sensors.
Environmental Research
Section titled “Environmental Research”Collect long-term environmental data in remote locations where traditional power sources are unavailable.
Smart City Applications
Section titled “Smart City Applications”Monitor urban green spaces, parks, or infrastructure with minimal maintenance requirements.
Getting Started
Section titled “Getting Started”Ready to start using Multiflexmeter 3.7.0? Check out:
- Quick Start Guide - Get your first device running
- Hardware Specifications - Detailed hardware information
- Firmware Architecture - Understand the firmware structure
- Development Setup - Set up your development environment
Project Status
Section titled “Project Status”Current Version: 3.7.0
The Multiflexmeter 3.7.0 is a mature, production-ready platform with ongoing development and community support. The hardware and firmware have been tested in real-world deployments.
Community & Support
Section titled “Community & Support”- Repository: MFM Documentation
- Issue Tracking: Report bugs and request features
- Documentation: Comprehensive guides and reference materials
- Contributions: Community contributions welcome
Next Steps
Section titled “Next Steps”Continue to:
- Features & Capabilities - Deep dive into features
- System Architecture - Understand the system design
- Hardware Overview - Explore the hardware platform