i wish to build a wireless gas leakage detector..
am facing a problem in the wireless part now...
i wish to transmit the signal to the receiver at different room wireless-ly
what is the method i need to use???
Does radio frequency FM transmitter suitable??
any method else??
but i can oni get the module of 433Mhz transmitter and receiver in the market..
i scared that it cant function well if the distance is blocked by some things else...
any other ways out of radio frequency???