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The project ConsumAware (Consumption Awareness for People's Homes) aims at building a certain consumption awareness when being at home. Typical consumptions may be energy (as: electricity), and gas or oil for heating systems. When we are aware of what and especially how much we consume under which circumstances, we can reduce unnecessary consumption, and thus save money over the long run.
The basic idea is to distribute several sensors in your home, connect them via wireless connections to a gateway, and collect corresponding data 24/7. Sensors can be, for example, temperature sensors, light sensors, or ampere meters; wireless connections are similarly arbitrary and can contain Bluetooth, Wi-Fi, 802.15.4, or the like.
Since we deal with several kinds of sensors and communication channels, we will use the Wiselib to connect the various heterogeneous hardware to a single homogeneous system.
The project is currently in planning phase. I'm still looking what kind of hardware I'm going to order - see below for a list of potential candidates.
| Sensor Type | Manufacturer | Wireless Standard | Links | Price | Comments |
|---|---|---|---|---|---|
| Ampere Meter | Voltcraft | 868 MHz | Energycount 3000 at conrad.de, Extension Module at conrad.de | ~35 EUR/piece | Proprietary protocol, hard to find information about reverse engineering |
| Ampere Meter | Stick'n Find | Bluetooth Low Energy | MeterPlug | ~50$/piece | Already ordered 2 pieces; unknown delivery date :/ |
| Ampere Meter | Plugwise | Zigbee | Plugwise@conrad.de, Plugwise@gruenspar.de | 115..130 EUR/Starterset | Protocol already reverse engineered |
| Sensor Type | Manufacturer | Wireless Standard | Links | Price | Comments |
|---|---|---|---|---|---|
| Sensor Tag | Texas Instruments | Bluetooth Low Energy | TI's Sensor Tag | ~25 $/piece | Great price! Currently out of stock. Based on CC2541, which comes with only IAR compiler support (maybe follow discussion on TI forum for alternative solution). |
- Have look...:
- BLE-Shield: http://www.exp-tech.de/Shields/Bluetooth-Low-Energy-Shield.html
- BlueGiga: BT Smart Module and corresponding Presentation
- TinyCircuits (unfortunately without wireless boards yet...)
- Fhem - Home automation system backend that supports various protocols/hardware. Written in perl; open-source
- tado - Smart Heating System