參數(shù)資料
型號(hào): 30770
廠商: Dresden Elektronik
文件頁(yè)數(shù): 27/74頁(yè)
文件大?。?/td> 2001K
描述: SET DERFNODE FOR AVR HOUSING
標(biāo)準(zhǔn)包裝: 1
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 27 of 56
 
8.1.3. Acceleration sensor
The acceleration sensor BMA150 communicates over two-wire-interface with the microcon-
troller of the radio module. Details of operation are described in the datasheet.
 
The interupt output of BMA150 could be connected with Pin 11 by setting the jumper [JP1]
(pins 2 and 3).
 
TWI adress: 0111 000 (R/W)
Write:
R/W = 0
Read:
R/W = 1
 
 
Figure 15: Acceleration sensor BMA150
 
8.2.    LEDs and buttons
The deRFnode and deRFgateway boards comprise three LEDs and two buttons, each user-
defined controllable.
 
8.2.1. User LEDs
The three red LEDs are active-low and may be controlled by the radio module MCU.
 
LED1 [D1]:    Pin 8
LED2 [D2]:    Pin 31
LED3 [D3]:    Pin 33
 
 
Figure 16: User LEDs
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