S0 is a modular IoT gateway built around the ESP32-C6 (RISC-V) platform, offering advanced wireless capabilities such as Wi-Fi 6, Bluetooth 5, and 802.15.4. It supports multiple connectivity options including NB-IoT/LTE-M and optional Ethernet, enabling secure and scalable IoT deployments across smart buildings, industrial environments, and city infrastructure.

Optimized for low-power, battery-powered operation and modular expansion, S0 integrates secure communication, local storage, and multiple radio interfaces to serve as a versatile edge gateway in modern IoT ecosystems. While it includes support for Wireless and Wired M-Bus, its primary focus is on broad IoT connectivity and interoperability.

• ⚙️ RISC-V Architecture: Powered by ESP32-C6 with a RISC-V core for efficiency and flexibility.
• 📡 Advanced Wireless Connectivity: Supports Wi-Fi 6, Bluetooth 5, and 802.15.4 for robust IoT networking.
• 🌐 Multiple Uplink Options: Provides NB-IoT/LTE-M and optional Ethernet for reliable data transmission.
• 🔋 Battery-Powered Operation: Optimized for low-power deployments with long-lasting battery support.
• 🔐 Advanced Security: Includes RSA-3072 secure boot, AES-128/256-XTS flash encryption, digital signature, HMAC identity protection, and hardware cryptographic accelerators for performance. Built-in Trusted Execution Environment (TEE) ensures secure software separation.
• 🛠️ Modular Design: Optional Baseboard adds Ethernet, Wired M-Bus, and extra power options.
• 💾 Local Storage: Optional microSD card slot for logging and offline data buffering.
• 🔗 Flexible IoT Connectivity: Integrates with Magistrala using multiple IoT protocols, including MQTT, CoAP, HTTP, and WebSockets.
• 🧩 Zephyr RTOS Support: Compatible with Zephyr for real-time, reliable IoT applications.
• 🖥️ WebAssembly Runtime: Runs lightweight, portable edge logic with WAMR (WebAssembly Micro Runtime).
• 🌀 Propeller Orchestrator Integration: Works with Propeller for secure, policy-driven orchestration of IoT workloads across the edge-cloud continuum.
• 📈 Future-Ready for IoT Ecosystems: Designed for interoperability in smart buildings, industrial IoT, and city-scale deployments.

1. Connect & Collect
   Gather data from IoT sensors and devices via Wireless/Wired M-Bus, Wi-Fi, BLE, or IEEE 802.15.4.

2. Process at the Edge
   Use the ESP32-C6 for real-time processing or deploy WebAssembly (Wasm) modules with WAMR for flexible edge logic execution.

3. Ensure Security
   Protect data and code integrity with secure boot, flash encryption, and TEE-based isolation, leveraging ESP32-C6 hardware security features.

4. Transmit to IoT Platform
   Send processed data using NB-IoT/LTE-M or optional Ethernet, supporting multiple protocols (MQTT, CoAP, HTTP, WebSockets) for seamless integration with Magistrala.

5. Orchestrate & Scale
   Integrate with the Propeller Orchestrator for policy-driven deployment and orchestration of workloads across the edge-cloud continuum.

6. Manage Remotely
   Perform OTA updates, monitor device health, and manage configurations through connected IoT management tools.

For setup instructions, pinouts, and integration guides, see the full documentation:
🔗 S0 Documentation

• 🏢 Smart Buildings: Connect heat and water meters via Wireless M-Bus for real-time monitoring.
• 🏭 Industrial IoT: Collect and transmit sensor data in secure and bandwidth-constrained environments.
• 🌍 Smart Cities: Enable large-scale metering infrastructure with NB-IoT and LoRa connectivity.
• 🔐 Secure Data Acquisition: Ensure encrypted communication from edge devices to the cloud.

• Core Board:

  • MCU: ESP32-C6 (RISC-V architecture)
  • Connectivity: Wi-Fi 6, Bluetooth 5, IEEE 802.15.4, Wireless M-Bus (RC-S2LP), NB-IoT/LTE-M + GNSS (SIM7080G)
  • Security: Secure Boot, Flash Encryption, TEE, Hardware Crypto Accelerators
  • Power: USB-C, 7.4 V battery, or Baseboard power supply

• Baseboard:

  • Ethernet: W5500 controller
  • Wired M-Bus: TSS721A transceiver
  • Storage: microSD card slot
  • Power: 24 V DC input, battery charger

Contributions are welcome! Please check the CONTRIBUTING.md for details on how to get started.

S0 is licensed under the Apache-2.0 License. See the LICENSE file for more details.