I am going to explain how to TAP Telephone Connection For Charging Mobile Phones..Normaly, Mobile phone Battery is made up of Lithium-ion(LI-ion) Capacity of 3.7v(Many battery capacity varies depends on Mobile phones).
**Nowdays each and every houses,companies Have Telephone connections,i am going to say how to charge the mobile phones During Power failures..
Normaly,Telephone Communication Need Power to Transmit a Signals or Voice message from one Telephone to another Telephone.During call a transmission station is need to send And receive signals.
During Transmission,Electric Charges is needed for Communication,So transmission station Send the signal with electric charge of 50v to 60v with 628ohms..Its Enough for Charging A mobile Phone.WHenever,power failure in Telecphone Exchange They Use A Back Up called Generator..
CONSTRUCTION
MATERIAL's NEEDED
*A voltage regulator( IC LM7805 - Downs to 5v)
*A Usb Cable with FEMALE PLUG
*A Usb To connect Mobile Phones
*Phone Card
Connections Should Be Done With Following Ciruit Diagram
Solder All the COnnection Properly!! The IC cost Only rs.10/ only.
Connections Which i made
(i)
(ii)-Connecting The IC LM7805
(iii)-Connecting To TelePhone Router
(iv)-Charging
Guys,I hope This Information Is Valueable For Peoples Living in TamilNadu..
Post Ur Comment If U Have Doubts
THANKING YOU..See U soon in Next Experiment..!!
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