Phone Line controller PIC 16F84A

Did you wonder how to remote control from along distance? why don't you try Phone Line controller. The device connects to the phone line and has a relay as an output switch. The administrator would then call-in the device, log in with the password, and check the state of your house hold or any other electronic device, turn it on or off, change password or some other settings. This project based on microcontroller PIC 16F84A

Phone Line controller PIC 16F84A

"The administrator should call-in the device from another telephone. After a few (configurable amount of) rings, the controller will pick-up the line and answer with a beep. After the beep the administrator must enter 4-digit password onto the keypad of his phone (DTMF). This must be done in 6 seconds. If the password is not entered in 6 seconds or wrong password has been entered, the device will beep and hang up. You can call it again now."

Download schematic, description, hex files

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