how to switch on electrical appliances through mobile call not
sms please refer me connections detail or even link will do ?
Answer Posted / aashish
it is all about working on
frequency....u can search on
net...DTMF controlled automation
system...u will get the circuit and
more details...
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
What is meant by small signal amplifier?
What is meant by step-up cyclo-converters?
Please, give me the simple circuit dig. for "oscillator with variable frequency & upto 6W". I will be very thankful to you.
how to design an ups and battery connections for ups .
Why transistor is called current controlled device?
hi .. i have done my b.e in under electronics and communication engineering and now i have opted for computer engineering which has most of communication related subjects. still what should i answer, if i am been asked "why didnt yu opt for electrical engineering"
Explain why the shape of op-amp is triangular not other shape?
sir please send me d previous paper of jindal steel power corporatio ltd.. mah email id z khan.aalmeen@gmail.com
Differentiate between avalanche and zener breakdown.
why is the diffusion technique of formation of resistor most widely used?
can i give the short discription to "window size" , "Time out" "piggybacking" in sliding window flow control.
What is meant by trc?
Explain is rfid in developing stage? What is scope in rfid?
Define what is meant by operating point?
What is the difference between plc and dcs control system?