T-Node
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T-Node (SOWNet Technologies platform)
The T-Nodes [1] are the original SOWNet Technologies platform, developed by TNO Defence, Security and Safety for wireless sensor networks research.They combine a microcontroller for local processing, a radio for digital communications and I/O abilities to interface with sensors, actuators and external systems.
Hardware Specifications
| Sensing: | A number of interfaced sensors are available non-limiting to:
|
|---|---|
| I/O: |
Two 10 pin expansion connectors with:
|
| Radios: |
868 MHz FSK Transceiver with frequency hopping
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| CPU: |
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| Storage: |
Application
T-Nodes can be used for and implemented in:
- Building management systems
- Micro-climate monitoring like Relative Humidity moni-toring
- Dynamic evacuation systems (DES)
- Seat monitoring in the public railway sector
- Fire systems
- Intruder systems
- Men guarding
- Access Control systems
- Temperature monitoring (HVAC systems)
Power
The main power drain is the radio, so nodes conserve power by turning off their radio and going into sleep mode whenever possible. However, to receive data, their radio must be on. Special low power communication protocols can reduce power consumption by ensuring the radio is only on when needed. In addition to this power saving on the radio level, much can be gained by using an appropriate type of network.
Software
Additional Information
References
- Back to Sensors Page
- Back to Body Sensor Networks Page
- Back to Main Page
