ELECTRONIC PROJECT DTMF BASED HOME AUTOMATION March 10, 2018March 16, 2018 lakhvinder 0 Comments DTMF, DTMF BASED HOME AUTOMATION, DTMF CONTROL HOW TO MAKE DTMF BASED HOME AUTOMATION SYSTEM REQUIRED COMPONENTS 1.DTMF DECODER (buy here) 2.SINGLE CHANNEL RELAY (buy here ) <br /> 3.AUX CABLE 4.5V BATTERY 5. JUMPER WIRES (buy here ) <br />
