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  3. Camera as a sensor

Camera as a sensor

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  • axillentA axillent

    @Moshe-Livne IP cameras are starting from $50. they have a processor able to process images at a good speed for you to trigger a motion event in a second after real motion starts. Using camera module you will have to do the same - processing images one by one to detect changes and this will trigger event. You will need at least a RAM to store a series of images at your camera resolution. RPI should be sufficient for this, but the cost of RPI + wifi + camear module + power supply is becoming higher comparing to IP camera.

    regarding security. many modern routers allows to setup isolated WIFI spot with separate password

    Moshe LivneM Offline
    Moshe LivneM Offline
    Moshe Livne
    Hero Member
    wrote on last edited by
    #9

    @axillent i was thinking using PIR for detecting motion, snapping a shot and sending it. you are right about the ram - i would need sd card reader probably

    axillentA 1 Reply Last reply
    0
    • Moshe LivneM Moshe Livne

      @axillent i was thinking using PIR for detecting motion, snapping a shot and sending it. you are right about the ram - i would need sd card reader probably

      axillentA Offline
      axillentA Offline
      axillent
      Mod
      wrote on last edited by
      #10

      @Moshe-Livne said:

      @axillent i was thinking using PIR for detecting motion, snapping a shot and sending it. you are right about the ram - i would need sd card reader probably

      PIR? it is something different. You need a clear view on what you want. From you first post I realized that you want to detect motion by analyzing camera output etc by analyzing images. Using PIR is very different

      sense and drive

      Moshe LivneM 1 Reply Last reply
      0
      • axillentA axillent

        this one could be sufficient indoor http://foscam.us/products/foscam-fi8918w-white-wireless-ip-camera-21.html
        and this outdoor http://foscam.us/outdoor-cameras/fi9803p-plug-play-1-0-megapixel-1280x720p-h-264-outdoor-wireless-ip-camera.html

        Moshe LivneM Offline
        Moshe LivneM Offline
        Moshe Livne
        Hero Member
        wrote on last edited by
        #11

        @axillent I live in NZ.... 45$ shipping....

        axillentA 1 Reply Last reply
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        • Moshe LivneM Moshe Livne

          @axillent I live in NZ.... 45$ shipping....

          axillentA Offline
          axillentA Offline
          axillent
          Mod
          wrote on last edited by
          #12

          @Moshe-Livne said:

          @axillent I live in NZ.... 45$ shipping....

          there are many foscam clones shipping free from China starting at $50

          sense and drive

          Moshe LivneM 1 Reply Last reply
          0
          • axillentA axillent

            @Moshe-Livne said:

            @axillent i was thinking using PIR for detecting motion, snapping a shot and sending it. you are right about the ram - i would need sd card reader probably

            PIR? it is something different. You need a clear view on what you want. From you first post I realized that you want to detect motion by analyzing camera output etc by analyzing images. Using PIR is very different

            Moshe LivneM Offline
            Moshe LivneM Offline
            Moshe Livne
            Hero Member
            wrote on last edited by
            #13

            @axillent no, no.... as I said, i want to use it as cheap entrance device. PIR is good enough to trigger the response

            axillentA 1 Reply Last reply
            0
            • axillentA axillent

              @Moshe-Livne said:

              @axillent I live in NZ.... 45$ shipping....

              there are many foscam clones shipping free from China starting at $50

              Moshe LivneM Offline
              Moshe LivneM Offline
              Moshe Livne
              Hero Member
              wrote on last edited by Moshe Livne
              #14

              @axillent I have one of these, skyeyes. It is not foscam replica, just looks like it. has no snapshot url so completely useless. annoying....

              1 Reply Last reply
              0
              • Moshe LivneM Moshe Livne

                @axillent no, no.... as I said, i want to use it as cheap entrance device. PIR is good enough to trigger the response

                axillentA Offline
                axillentA Offline
                axillent
                Mod
                wrote on last edited by
                #15

                @Moshe-Livne said:

                @axillent no, no.... as I said, i want to use it as cheap entrance device. PIR is good enough to trigger the response

                can you explain exactly what do you want?
                PIR is triggering event and someone is taking picture at this moment?

                sense and drive

                Moshe LivneM 1 Reply Last reply
                0
                • axillentA axillent

                  @Moshe-Livne said:

                  @axillent no, no.... as I said, i want to use it as cheap entrance device. PIR is good enough to trigger the response

                  can you explain exactly what do you want?
                  PIR is triggering event and someone is taking picture at this moment?

                  Moshe LivneM Offline
                  Moshe LivneM Offline
                  Moshe Livne
                  Hero Member
                  wrote on last edited by
                  #16

                  @axillent yes. just a door or hall sensor that will be triggered by the PIR, take a snapshot (or maybe several in 10 sec increment) and send them to the home automation system.

                  axillentA 1 Reply Last reply
                  0
                  • Moshe LivneM Moshe Livne

                    @axillent yes. just a door or hall sensor that will be triggered by the PIR, take a snapshot (or maybe several in 10 sec increment) and send them to the home automation system.

                    axillentA Offline
                    axillentA Offline
                    axillent
                    Mod
                    wrote on last edited by
                    #17

                    @Moshe-Livne said:

                    @axillent yes. just a door or hall sensor that will be triggered by the PIR, take a snapshot (or maybe several in 10 sec increment) and send them to the home automation system.

                    OK, I see. Do you want both PIR and camera module been connected to the same device? If yes this could have not much todo with mysensors. It can be regular arduino or rpi sketch sending pictures by FTP or email.
                    If you want to have PIR on other device you can use mysensor to sens PIR and trigger other device to take pictures using mysensors radio

                    sense and drive

                    1 Reply Last reply
                    0
                    • bjornhallbergB Offline
                      bjornhallbergB Offline
                      bjornhallberg
                      Hero Member
                      wrote on last edited by
                      #18

                      I have one (soon two) RPi with camera modules that take pictures and store / send to Pushbullet when a certain MySensors PIR is triggered. Has worked pretty well for the past year. and a Pi + Camera is still reasonably cheap plus it's a "real" computer so it can do anything with the camera and images. And the Pi camera is still pretty good, unless you happen to get a real bad clone from Ebay or something. Hardly worth it. I don't know how good these cameras in the store are, but I doubt they come anywhere near the simplicity and guaranteed quality of the Pi camera module.

                      IMG_20140618_194231.jpg

                      If you like, you can also use the "motion" package on the Pi, but that will be a real hassle with false triggers and all. The cheap PIR motion sensors have worked surprisingly well. It's more a question of positioning them right so you don't have problems with sunlight, fireworks, curious magpies etc.

                      I have my RPi inside camera housings I got from AliExpress. There are a couple there that are pretty good. I think finding a bracket can be more of a challenge. I have J-brackets that fit under the eaves.

                      I have the raspimjpeg script running on the Pi btw. You could just use raspistill I suppose but it's nice to be able to manually view the camera feed from the browser and have remote control at your fingertips. Hell, you could even get one of those motorized RPi things that are able to turn the camera.

                      I have a sort of Power Over Ethernet going for my cameras btw.

                      Moshe LivneM axillentA 2 Replies Last reply
                      0
                      • bjornhallbergB bjornhallberg

                        I have one (soon two) RPi with camera modules that take pictures and store / send to Pushbullet when a certain MySensors PIR is triggered. Has worked pretty well for the past year. and a Pi + Camera is still reasonably cheap plus it's a "real" computer so it can do anything with the camera and images. And the Pi camera is still pretty good, unless you happen to get a real bad clone from Ebay or something. Hardly worth it. I don't know how good these cameras in the store are, but I doubt they come anywhere near the simplicity and guaranteed quality of the Pi camera module.

                        IMG_20140618_194231.jpg

                        If you like, you can also use the "motion" package on the Pi, but that will be a real hassle with false triggers and all. The cheap PIR motion sensors have worked surprisingly well. It's more a question of positioning them right so you don't have problems with sunlight, fireworks, curious magpies etc.

                        I have my RPi inside camera housings I got from AliExpress. There are a couple there that are pretty good. I think finding a bracket can be more of a challenge. I have J-brackets that fit under the eaves.

                        I have the raspimjpeg script running on the Pi btw. You could just use raspistill I suppose but it's nice to be able to manually view the camera feed from the browser and have remote control at your fingertips. Hell, you could even get one of those motorized RPi things that are able to turn the camera.

                        I have a sort of Power Over Ethernet going for my cameras btw.

                        Moshe LivneM Offline
                        Moshe LivneM Offline
                        Moshe Livne
                        Hero Member
                        wrote on last edited by
                        #19

                        @bjornhallberg That is a very cool setup although i suspect its not very economical. the pi+camera would cost ~80$ i think. plus casing and bracket would get you very close to foscam if not higher. I was aiming at cheapest possible solution. maybe even one that can run on battery.

                        1 Reply Last reply
                        0
                        • M Offline
                          M Offline
                          Mickey
                          wrote on last edited by Mickey
                          #20

                          http://www.aliexpress.com/item/LYNEW-Portable-Mini-Wireless-wifi-Router-3G-4G-Hotspot-Wifi-Hotspot-support-3G-USB-modems/32257312139.html
                          Today there are openwrt enable modules on aliexpress that start from below 8$ that can be attached to mjpg usb camera and can take pictures and streams with less than 10$ price tag.

                          Moshe LivneM 1 Reply Last reply
                          0
                          • M Mickey

                            http://www.aliexpress.com/item/LYNEW-Portable-Mini-Wireless-wifi-Router-3G-4G-Hotspot-Wifi-Hotspot-support-3G-USB-modems/32257312139.html
                            Today there are openwrt enable modules on aliexpress that start from below 8$ that can be attached to mjpg usb camera and can take pictures and streams with less than 10$ price tag.

                            Moshe LivneM Offline
                            Moshe LivneM Offline
                            Moshe Livne
                            Hero Member
                            wrote on last edited by
                            #21

                            @Mickey this device is a gsm hotspot generator. it connects to a USB GSM dongle and allows you to connect to it either wired or wirelessly. I have never seen devices like the ones you mention. they could be a good solution

                            axillentA 1 Reply Last reply
                            0
                            • Moshe LivneM Moshe Livne

                              @Mickey this device is a gsm hotspot generator. it connects to a USB GSM dongle and allows you to connect to it either wired or wirelessly. I have never seen devices like the ones you mention. they could be a good solution

                              axillentA Offline
                              axillentA Offline
                              axillent
                              Mod
                              wrote on last edited by axillent
                              #22

                              @Moshe-Livne said:

                              @Mickey this device is a gsm hotspot generator. it connects to a USB GSM dongle and allows you to connect to it either wired or wirelessly. I have never seen devices like the ones you mention. they could be a good solution

                              do not stick to it's original application
                              the idea is that open-wrt can run on this small things. Open-wrt is a linux type system, you can program it very similar to RPI
                              it is very cool if any camera working example exists for open-wrt

                              sense and drive

                              Moshe LivneM 1 Reply Last reply
                              0
                              • bjornhallbergB bjornhallberg

                                I have one (soon two) RPi with camera modules that take pictures and store / send to Pushbullet when a certain MySensors PIR is triggered. Has worked pretty well for the past year. and a Pi + Camera is still reasonably cheap plus it's a "real" computer so it can do anything with the camera and images. And the Pi camera is still pretty good, unless you happen to get a real bad clone from Ebay or something. Hardly worth it. I don't know how good these cameras in the store are, but I doubt they come anywhere near the simplicity and guaranteed quality of the Pi camera module.

                                IMG_20140618_194231.jpg

                                If you like, you can also use the "motion" package on the Pi, but that will be a real hassle with false triggers and all. The cheap PIR motion sensors have worked surprisingly well. It's more a question of positioning them right so you don't have problems with sunlight, fireworks, curious magpies etc.

                                I have my RPi inside camera housings I got from AliExpress. There are a couple there that are pretty good. I think finding a bracket can be more of a challenge. I have J-brackets that fit under the eaves.

                                I have the raspimjpeg script running on the Pi btw. You could just use raspistill I suppose but it's nice to be able to manually view the camera feed from the browser and have remote control at your fingertips. Hell, you could even get one of those motorized RPi things that are able to turn the camera.

                                I have a sort of Power Over Ethernet going for my cameras btw.

                                axillentA Offline
                                axillentA Offline
                                axillent
                                Mod
                                wrote on last edited by
                                #23

                                @bjornhallberg very nice setup! my congratulations!
                                for DIY you did it pretty well
                                but cost vise I do not see how this can be more efficient comparing to foscam

                                sense and drive

                                bjornhallbergB 1 Reply Last reply
                                0
                                • axillentA axillent

                                  @Moshe-Livne said:

                                  @Mickey this device is a gsm hotspot generator. it connects to a USB GSM dongle and allows you to connect to it either wired or wirelessly. I have never seen devices like the ones you mention. they could be a good solution

                                  do not stick to it's original application
                                  the idea is that open-wrt can run on this small things. Open-wrt is a linux type system, you can program it very similar to RPI
                                  it is very cool if any camera working example exists for open-wrt

                                  Moshe LivneM Offline
                                  Moshe LivneM Offline
                                  Moshe Livne
                                  Hero Member
                                  wrote on last edited by
                                  #24

                                  @axillent Oh, still not used to thinking this way. This is beyond the (very limited) limits of my knowledge.... can be great.... total setup fee of ~15$

                                  1 Reply Last reply
                                  0
                                  • M Offline
                                    M Offline
                                    Mickey
                                    wrote on last edited by
                                    #25

                                    @Moshe-Livne said:

                                    @axillent Oh, still not used to thinking this way. This is beyond the (very limited) limits of my knowledge.... can be great.... total setup fee of ~15$

                                    I have an example of this just with tl-wr703n but the one I posted from aliexpress is just the same:
                                    openwrt webcam

                                    Moshe LivneM 1 Reply Last reply
                                    0
                                    • M Mickey

                                      @Moshe-Livne said:

                                      @axillent Oh, still not used to thinking this way. This is beyond the (very limited) limits of my knowledge.... can be great.... total setup fee of ~15$

                                      I have an example of this just with tl-wr703n but the one I posted from aliexpress is just the same:
                                      openwrt webcam

                                      Moshe LivneM Offline
                                      Moshe LivneM Offline
                                      Moshe Livne
                                      Hero Member
                                      wrote on last edited by
                                      #26

                                      @Mickey very good and detailed article. I have several of the GSM modems (that I now understand are not GSM modems at all) somewhere so i'll see if they can be flashed with openwrt. should be fuuuunnnn.

                                      M 1 Reply Last reply
                                      0
                                      • Moshe LivneM Moshe Livne

                                        @Mickey very good and detailed article. I have several of the GSM modems (that I now understand are not GSM modems at all) somewhere so i'll see if they can be flashed with openwrt. should be fuuuunnnn.

                                        M Offline
                                        M Offline
                                        Mickey
                                        wrote on last edited by Mickey
                                        #27

                                        @Moshe-Livne said:

                                        @Mickey very good and detailed article. I have several of the GSM modems (that I now understand are not GSM modems at all) somewhere so i'll see if they can be flashed with openwrt. should be fuuuunnnn.

                                        Notice that the one I posted from aliexpress have its own procedure to flash openwrt on. Be careful not to brick your module...

                                        1 Reply Last reply
                                        0
                                        • axillentA axillent

                                          @bjornhallberg very nice setup! my congratulations!
                                          for DIY you did it pretty well
                                          but cost vise I do not see how this can be more efficient comparing to foscam

                                          bjornhallbergB Offline
                                          bjornhallbergB Offline
                                          bjornhallberg
                                          Hero Member
                                          wrote on last edited by
                                          #28

                                          @axillent
                                          @Moshe-Livne

                                          Yeah, it is perhaps not the most economical solution. Probably closer to $100 per unit. Foscams have probably become better and cheaper since last I looked. Personally I'd rather have more control over my setup. Like how the housing is ventilated. Plus all the fun of building and figuring things out. Of course I don't get night vision, but I figured it is better to trigger a relay to turn on some floodlights or whatnot that will give intruders some warning. No use being sneaky about it.

                                          But yes, it would be really interesting if someone could come up with a really cheap battery powered solution.

                                          M 1 Reply Last reply
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