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User Manual
Version 1.1
2011-07-15
 
  deRFnode and deRFgateway
 
 
 
 
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
12 7 Dr
n
rm  n
Tel.: +49 351  31 85 00
Fax: +49 351  3 18 50 10
wireless@dresden-elektronik.de
www. r
n- l k r nik.
Page 10 of 56
 
4. Hardware selection examples
The growing number of platform and radio module combinations makes it difficult and com-
plex for the customer, to make the right choice of hardware depending on the customer ap-
plication. The following section should give some examples for different applications.
 
4.1.    Battery powered nodes in a small wireless sensor network
Application:
A small network consisting of about 30 end-devices (nodes) should measure and transmit
the temperature sensor data every minute to one network coordinator (master). The coordi-
nator is DC or USB powered all the time. The nodes are battery powered and are sleeping all
the time, except when they should measure and transmit the sensor data.
 
Required components:
Platforms:
 
deRFnode-2TNP2-00N00
Radio modules:
deRFmega128-22A00
Software:
 
based on Atmels MAC-Stack available on Development-Kit CD
 
4.2.    6LoWPAN tree-network application
Application:
A wireless network, that can be monitored and controlled via Ethernet by a Remote Access.
The nodes have their own unique MAC-address and a user-defined IP-address. They can be
equipped with sensors and/or actuators, that read out sensor data and/or switch on/off a re-
lay.
 
Required components:
Platforms:
 
deRFnode-2TNP2-00N00
 
 
 
deRFgateway-1TNP2-00N00
Radio modules:
deRFmega128-22A00
 
 
 
deRFarm7-25A00
Software:
 
6LoWPAN-Stack and Control Manager on Development-Kit CD
 
4.3.    Point-to-Point connection for simple applications
Application:
The simplest network is a point-to-point connection between two devices. There is no need
to use a complex protocol.
 
Required components:
Platforms:
 
deRFnode-2TNP2-00N00    
Radio modules:
deRFmega128-22A00
Software:
Wireless UART based on Atmels MAC-Stack available on Develop-
ment-Kit CD
 
 
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