Discussion in "Project Help" started by    rohan_k    Aug 20, 2007.
Mon Aug 20 2007, 01:49 pm
#1
i want to build a 8051 based weather monitoring system
i want to know the type of sensors i can use for temperature and humidity that should be easily available in india
Mon Aug 20 2007, 02:16 pm
#2
LM35 for temperature
Mon Aug 20 2007, 04:24 pm
#3
Humidity sensors are available from Honeywell but they are kind of costly. I am not sure if you get them in local market.
"HIH-4000-001 humidity sensor,0-100% RH"
and cost of this sensor as per RS-Components is Rs.2,608.00
See datasheet here: HIH 4000 Series

you can read about selecting a right humidity sensor for your application over here.. in this article:
Choosing a humidity sensor: A review of three technologies
Sat Sep 01 2007, 03:06 am
#4
Humidity sensors can be find at precious electronics ,chunam lane ,proctor road , lemington road mumbai
 rohan_k like this.
Sat Sep 01 2007, 03:37 am
#5
how much is the cost? approximate?
 rohan_k like this.
Fri Sep 07 2007, 12:58 pm
#6
thanks ajay the cost would be 10000-12000 i also want to encorporate wind speed sensor,wind vane and solar meter any of htose possible ?
please tell me
Fri Sep 07 2007, 01:47 pm
#7
hey rohan,is dat cost of ur project or a single sensor?
Fri Sep 07 2007, 02:54 pm
#8
hmm.. have no idea.. really..

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