EchoMesh is a sovereign, lightweight communications capability designed to maintain human and system connectivity in environments where conventional infrastructure has failed or is unavailable. Built on ESP32-SX1262 LoRa hardware with solar/portable power options, EchoMesh provides a field-resilient, policy-aligned alternative to dependency on centralised or black-box communications platforms.
- Origin: Australia – independently developed Tier-1 capability
- Mission: Preserve operational continuity when towers or networks collapse
- Status: Operational; core mesh verified 2025-05-31
EchoMesh is the flagship release from a broader portfolio of sovereign communications and AI research undertaken by the YouMatter Systems and SlappAI teams. It represents the consolidation of years of independent R&D across distributed systems, secure mesh architectures, and Active Graph frameworks — distilled into a single operational capability.
Where legacy approaches rely on closed, centralised infrastructure, EchoMesh is deliberately transparent, standards-aligned, and field-resilient. It is both a production-ready mesh protocol and a living demonstration of our commitment to security, scalability, and enterprise-grade design.
Commitment to Enterprise-Grade Delivery EchoMesh represents the transition of our research from exploratory prototypes into a mature, enterprise-ready capability. While early-stage repositories captured raw innovation, this repository embodies our refined engineering cadence: governed, security-aligned, and strategically structured. Our focus is now on delivering sovereign, field-resilient communications that meet the standards of enterprise and government partners, while continuing to innovate responsibly behind the curtain.
| Layer | Module | Functionality |
|---|---|---|
| L1 | RF | LoRa 22 dBm (fallback BLE / Wi-Fi) |
| L2 | echoNet | Self-forming mesh with adaptive lane tables |
| L3 | echoMSG | Directed acyclic graph (DAG)-signed payloads ≤ 256 B |
| L4 | echoVault | X25519 identities, AES-GCM envelopes, reputation-weighted ACL |
| L5 | echoMap | Optional GPS beaconing for presence mapping |
| L6 | echoCtrl | Command-line & WebSerial administration |
git clone https://github.com/echomesh/echomesh
cd echomesh/firmware
pio run -t upload -e heltec_lora32→ Device boots, broadcasts presence, and joins mesh within < 5 seconds.
| Metric | Result |
|---|---|
| Range (10 dBi antenna) | 3.4 km NLOS |
| Cold-boot mesh join | 480 ms |
| Current (Idle / TX) | 19 mA / 110 mA |
| Node deployment (30 May) | 35 clones (24 unique) |
- Disaster response pods
- Paramedic and strike teams
- Off-grid homesteads / remote operations
- Mutual-aid or resilience collectives
- Rapid-deployed sensor networks
- Mesh-native IoT ecosystems
- Streamlined CLI flasher
- Web-based echoMap interface
- Digitally signed OTA updates
- Federation bridge for cross-mesh interoperability
EchoMesh and the Presence Mesh doctrine represent an independent Australian scientific and engineering contribution to sovereign capability orchestration.
The system has been:
- Designed in alignment with ADF (Australian Defence Force) and ITAR compliance considerations
- Structured to reduce strategic dependency on opaque, foreign-sourced communications platforms
- Optimised for field resilience, ensuring telemetry and coordination remain intact even under degraded or contested network conditions
- 📧 Email: callum@echomesh.agency
- 📜 License: CC-BY-NC-SA 4.0
“When all you have left is your voice — let it echo.”