Custom IoT solutions
Multi-protocol sensors, Pi gateway, cloud aggregation
Real IoT: sensors that work on intermittent networks, limited power, multi-tenant cloud aggregation. Built with pluggable protocol adapters.
- 01
Raspberry Pi gateway with local buffer
Data accumulates locally when the network is down, sent in batches when it returns. Pi auto-restarts on fault, active watchdog.
- 02
Pluggable protocol adapters
One adapter per protocol (LoRaWAN / BLE / Zigbee / WiFi / Modbus / serial). Adding a new sensor type = a new file, not a rewrite.
- 03
MQTT-style EventBus
Topic-based messaging, retain for last state, QoS 1 for guaranteed delivery. Multiple subscribers (storage, alerting, dashboard) isolated.
- 04
Multi-tenant cloud aggregation
FastAPI + ARQ workers for ingestion. Time-series stored efficiently, automatic downsampling for historical reports.
- 05
Device fleet management
OTA updates on Pi, per-device monitoring (uptime, last seen, firmware version), remote shell for debugging.
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