[Tinyos-help] about analog input of tmote sky

[Chen Bleed]

Hello, all
 
  I am a rookie of mote world. Now I have a tmote sky and want to transmit signal to the analog input on it. I see the expansion pins may help and I find pin 3 is a analog input. Then, I have a problem.
 
  I use Sharp GP2D12 IR sensor. It has one 5V Vcc , one GND and one analog output among 2V. If I set up this sensor(Vcc and GND) and code for tmote sky already. May I just connect one analog output of IR sensor into analog input of tmote sky ??
 
  Because I know tmote only has not over 3 V voltage, I dont use its VCC and GND in expansion to connect to IR sensor(needs 5V). So, just one analog output line of IR sensor can do anything??
 
thx, all and sorry for my bad English.
 
Chen, Chien Mao
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