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sir,
we too hav a thought of using a GSM module..
but itz cost is quite high than compared to any modem using a mobile...
GSM module is having many specifications which are not needed in our application...
so we just thought buying a GSM module for 3000-5000 is not nessecary,and we thought of...
to welove8051,
sir we thought of visiting welove8051.com but in our college it is blocked because of the word"love"..
so pl can u explain working principle of the circuit u sent to me....
sir...
we are just using TSOP 1738..
we faced the problem tat the output is always maintaining at high(5v) whether it is sensing or not....wat may be the problem sir....
about tsop 1738
sir,
i am using tsop 1738 for receiving the ir beam which was generated at 38khz and transmitted by ir led and the output of tsop is always maintaining high at 5v....i am not able to know whether it is receiving the beam or not...i cant understand the problem so pl help me...
hii,
me and my team mates are doing a project on automobile theft prevention..
in that we are using ir transmitter and receiver..
is it possible to connect the output of the receiver directly to the microcontroller or any buffer is needed....
reply pl...
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