Bluetooth Based Smart Home

I need one, what is the price?

I am use DS18B20.

i want it too...so plz tell me,from where do i get it ?????

hello binu sir,
can we use temperature sensor ic lm35 instead of ds18s20? and if yes what are the additional changes to be made??
also will it be fine to use a 4Mhz crystal as the 3.68Mhz crystals are not available currently??
plz reply as soon as possible sir....

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*Minimum 6 Pieces order will be accepted.
*4000 PKR per piece (total 24000 PKR)

This project is used to automate the home appliances through Bluetooth enabled PC. You can use the USB Bluetooth at the PC side and an Serail Bluetooth converter is used at the microcontroller side. The sparkfun bluetooth module is used here, but you can use any serial luetooth module which supports SPP profile....

hello sir, i was make make this project, its working properly, bt theres some problem to connect with my laptop, so sir can u explain me how to connect and interface it step by step, i am using hc-05 bluetooth module and 3.64mhz xtal,

i hope u help me,

Can you find the bluetooth module from your laptop. Do you have serial port enabled for your laptop bluetooth module. Check it from the device manager.

hello binu

i was make this project for my final year project, and the bluetooth i using hc-06
the temp sensor use ds18B20 so the temp on the lcd just 0.00C but it doesnt matter for this time
i just want to use the controlling switch
but there is a major problem.
i think the bluetooth transfered un valid data.
they just sent FF FF FF FF FF FF and so on when i see at the blueterm/h-term software
i set the bluetooth baud rate to 115200 and i see on the BASCOM the microcontroller is having 115200 baud rate to
i used 3.6864 crystal with 33pF
RX bt to TX mcu
TX bt to RX mcu

i try to change baud rate but still same problem

and i read on some website. if you want to use extrernal crystal. you must setting the fuse bit ATMEGA8
so the atmega8 use external crystal instead of internal crystal 1mHz

is really true that i must set the fuse bit?
and how to do it?
i have lost 2 atmega8

if it's no need to set the fuse bit
where i was wrong?
please help me

thank you binu
best regard