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Efficient Energy Management for Smart Buildings
A stable 24/7 device control and energy management system
Low-Cost Energy Monitoring Retrofit for Older Buildings
Wireless LoRaWAN + open-source gateway — drops into older buildings as-is
HVAC, utility meters and BMS protocols in older buildings rarely speak the same language. Rewiring and upgrading control systems easily runs into tens of thousands, with operations halted. Wireless LoRaWAN sensors + an open-source multi-protocol gateway pull every device into a single energy view — at roughly 20% of a traditional BMS upgrade, with zero downtime and full customer-side programmability.
Scenario Overview
Traditional building energy retrofits often require heavy investment and operational shutdowns. Seeed's approach is fundamentally different — from monitoring and compatibility to cost savings and open-source expandability, every step is clear.
What You Can Monitor
- Real-time power, HVAC energy, room temp, fault alerts
- 5-minute refresh, instant anomaly push alerts
Compatible Devices
- Native Modbus / BACnet / RS485 / Ethernet-IP support
- 99% of existing devices connect without replacement
- Works with legacy BMS or bare-device small buildings
Cost Savings
- Retrofit cost is just 20% of traditional BMS
- Dynamic temp control + off-peak shifting saves 15–25% year-round
- Zero-downtime deployment, no operational losses
Why Choose Us
- Open-source, requires only Linux/Python basics — no proprietary training
- One gateway scales to manage thousands of device points
- Suitable for everything from small shops to large buildings
Scenario Detail
Leave the legacy HVAC in place — teach it to run on demand
Keep every existing HVAC unit in place. LoRaWAN temperature / humidity / CO₂ sensors wall-mount in minutes, while an R1225 boxed gateway drops inside the electrical cabinet and takes over valves and fan actuators — adjusting setpoints by schedule, occupancy, and tariff peaks/valleys. Corridors throttle down at night, conference rooms shut off after meetings, and savings are visible immediately.
Core Advantages
- Wall-mount sensors: LoRaWAN probes stick on and run — no wiring
- Weather-driven load forecasting: rooftop weather station + outdoor data predict HVAC peaks ahead of time
- Open-source dashboard: HomeAssistant / Node-RED show every zone in real time
Wall T&H / CO₂ Sensor
Wall-mount probes for offices, meeting rooms, corridors — wireless indoor data
Weather-Based Load Forecast
Rooftop weather station + outdoor T&H data forecast HVAC peaks, enabling off-peak scheduling
Zone Dashboard Visibility
Per-zone temperature / CO₂ / fan status at a glance — strategies are tunable
Keep existing fixtures — lights only when occupied
Pull every existing fixture in the building — Philips / KNX / DALI / Modbus, any protocol — into the R1225 open-source gateway. Combined with LoRaWAN occupancy / light sensors, corridors light up on motion, offices sleep at lunchtime, and zones are scheduled at night. Every circuit is visible in the open-source dashboard and remotely controllable.
Core Advantages
- Multi-protocol fixture integration: KNX / DALI / Modbus and more, unified
- Occupancy + lux triggers: corridor motion sensing, auto-dim when daylight is sufficient
- Open-source remote scheduling: lunch / after-hours / weekend policies switched in one click
Occupancy / Light Sensor
Wall-mount PIR + lux for corridors and desks — light when needed
Multi-Protocol Fixtures
Connect legacy KNX / DALI / Modbus fixtures directly — no replacement
Zone Policy Panel
Open-source dashboard schedules on/off and dimming for every area and circuit
Keep the legacy cabinet — every circuit becomes visible
Install an R1225 boxed gateway plus non-invasive CT clamps inside the electrical cabinet to monitor every circuit and floor in real time. Water-leak / temperature / smoke alerts arrive in seconds. All data feeds into a single open-source dashboard — utility meters, HVAC, lighting, all in one place.
Core Advantages
- Cabinet-embedded deployment: R1225 fits inside the panel — saves equipment room space
- Non-invasive CT clamps: clip on to monitor current — no power-down retrofit
- Unified open-source dashboard: all energy / alerts in one panel
Cabinet-Embedded Gateway
Gateway / data logger mounts inside the cabinet or on the wall — 35mm DIN rail, saves space
Non-Invasive CT Monitoring
Clamp the CT onto the circuit — no power-down, no rewiring
Unified Open Dashboard
Meters + HVAC + lighting data all in one panel — real-time alert push
Deployment & Selection
LoRaWAN Backbone + Open-Source Gateway
The retrofit stack is built from three layers: a sensor layer (LoRaWAN / RS485 probes), a gateway layer (one R1225 handles LoRa reception + multi-protocol conversion + edge control), and an application layer (open-source platform or the customer's own cloud).
Core Advantages
- Sensor layer: battery LoRaWAN probes wall-mount; legacy RS485 meters via S2100 to wireless
- Gateway layer: a single R1225 covers LoRa + Modbus / BACnet + 4G / Ethernet backhaul
- Application layer: HomeAssistant / Node-RED / custom Python — data stays local or syncs to the customer cloud
| Image | Product | Parameters | Comms | IP |
|---|---|---|---|---|
 | S700 V2 7-in-1 Weather Station | T&H/Pressure/Wind/Rain/Light | 4G / RS485 | IP66 |
 | S2101 T&H | Temp (-40~+85℃), Humidity | LoRaWAN | IP66 |
 | S2102 Light | Light (0–188000 lux) | LoRaWAN | IP66 |
 | S2103 CO₂ | CO₂ (400–10000 ppm), T&H | LoRaWAN | IP66 |
 | S2106 pH | pH 0–14 (wastewater/boiler) | LoRaWAN | IP66 |
 | S2100 DTU | RS485 → LoRaWAN data logger | LoRaWAN | IP66 |
Choose probes by measurement parameter
LoRaWAN probes run on batteries for 5–10 years per unit; legacy RS485 meters connect via the S2100 data logger over LoRa. The table below lists the SenseCAP probes most commonly used in building retrofits.
Core Advantages
- T&H / CO₂: trigger basis for on-demand HVAC scheduling
- Light-triggered: S2102 dims lighting when ambient daylight is sufficient
- Universal RS485: S2100 converts any Modbus-RTU meter / probe to LoRa
| Image | Product | Protocols | Backhaul | Use Case |
|---|---|---|---|---|
 | R1225 LoRaWAN Industrial | LoRaWAN + Modbus / BACnet / Ethernet-IP | 4G / Ethernet | Main building gateway |
 | SenseCAP M2 Indoor Gateway | LoRaWAN | Ethernet / Wi-Fi | Extend indoor LoRa coverage |
 | SenseCAP Sensor Hub 4G | RS485 / Modbus | 4G direct cloud | Scattered meters, no gateway |
Pick the gateway + data logger combo by backhaul
The core of the building is the R1225 — a combined LoRaWAN industrial gateway and multi-protocol controller. To extend LoRa indoor coverage, add a SenseCAP M2 Gateway. If there's no LoRa gateway at all and you only need RS485 meters → 4G direct-to-cloud, the SenseCAP Sensor Hub 4G alone is enough.
Core Advantages
- R1225 flagship: LoRaWAN + Modbus / BACnet / Ethernet-IP + 4G/Ethernet — one unit covers a building
- SenseCAP M2 indoor gateway: pure LoRaWAN gateway — extends indoor coverage, works with ChirpStack / TTN
- SenseCAP Sensor Hub 4G: RS485 → 4G direct-to-cloud — no gateway needed, ideal for scattered / remote points
| Image | Product | Use | Connectivity |
|---|---|---|---|
 | SenseCAP Watcher W1-A | Edge AI Agent, event-triggered actions | Wi-Fi |
 | SenseCAP Indicator D1S | 4-inch touchscreen, ops/facility entry | Wi-Fi / LoRaWAN |
 | reTerminal DM | 10.1-inch industrial HMI, programmable | LoRaWAN / Wi-Fi / Ethernet |
A visible, voice-friendly entry point to the building
Beyond the gateway, the building also needs an entry point where facilities and operations can see live data and step in manually. Watcher is an edge AI Agent that monitors visual and audio events and triggers energy-saving actions. Indicator is a 4-inch touchscreen — facilities can check live energy and override policies without booting a PC.
Core Advantages
- SenseCAP Watcher: physical AI Agent — event-triggered HVAC / lighting actions
- SenseCAP Indicator D1S: 4-inch touch panel — instant entry point for ops / facilities
- Wi-Fi / LoRaWAN to R1225: shares the same platform as the existing gateway — one-click config push
Success Cases
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