Wireless RF Temperature Transmitter
Description:
This project describes how to build a simple wireless RF Temperature transmitter which uses TXM-433 module ,AVR micro controller and the PC side consists of SILRX-433 (Receiver) connected to PC via RS232 port. RF Temperature transmitter sends six bytes of data at fixed interval. Module measures three temperature values, light level at photocell and battery voltage. Small Visual Basic program collects data and displays it in a table view.
Micro controller:
AT90S4433
For more details click:
http://members.shaw.ca/Botgoodies2/TempXmtr/TempXmtr.htmÂ