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I have an old external b. The advantage of modems is that you can interact with the phone line for making calls.

A passive infrared sensor PIR is waiting for a person to enter a room. If some movement is detected, it reports to datsheet pic microcontroller.

DS275 – DS275 Line-Powered RS232 Transceiver Datasheet

Finally the pic dials a phone number through the modem to alert the user. In the same way I used the ds because it can communicate dataasheet a serial port without a capacitor unlike MAX I have soldered some wires directly to the modem 1 for GND, 1 for 5 v.


When this happens, it starts sending AT commands to make the de275 call. Once the call has been made and the modem detects that the call is ended, it returns a numeric code that the pic receives and change to detection mode again.

What you can see da275 the video is: The modem is turned on and the pic configures it to disable command echo, change to return numeric responses and turn off the volume of the modem speaker.

Re: DS275 RS232 Level Converters

The user has 15 seconds to leave the room, then the pic waits a motion detection. When it is detected the pic dials a fixed phone number and the user will receive the alert.

It is more complicated.

You are talking about a camera and send the picture through MMS or email. Since it is analog it does not work on digital phone lines. Do they make a digial sensor that will work or is there a attachment that will change analog to digital. Does not include photo attachment.


DS DALLAS RS Transceiver

Este sitio web utiliza cookies para que usted tenga la mejor experiencia de usuario. I have an inexpensive motion sensor auto dialer that dials my cell phone if it detects datashwet.

I would love to find a device that would do the same thing and send me a pic.

Your invention is great but it helps if you have the technical smarts to do it. Do you know if there is an off-the-shelf version of a picture sending auto dialer??? Uso de cookies Este sitio web utiliza cookies para que usted tenga la mejor experiencia de usuario.