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  1. Home
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  3. CE line on sensor node?

CE line on sensor node?

Scheduled Pinned Locked Moved Troubleshooting
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  • DammeD Damme

    @aquapro Hmmmm
    The chip on your looks like a blob more than this; You might have gotten a chinese ripoff .. I dont remember the chip name... Hmmmm hard to see!

    edit:

    maybe : http://forum.mysensors.org/topic/300/rfm73-experience/ ?
    inverted CE?

    nrf24L01-black.jpg

    YveauxY Offline
    YveauxY Offline
    Yveaux
    Mod
    wrote on last edited by Yveaux
    #15

    @Damme Sharp observation, dude!

    Have a look at these: http://www.aliexpress.com/item/Free-shipping-10pcs-lot-NRF24L01-wireless-data-transmission-module-NRF24L01-wireless-module/1996222121.html

    Claimed to be nRF24L01+!!

    http://yveaux.blogspot.nl

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    • DammeD Damme

      @aquapro Hmmmm
      The chip on your looks like a blob more than this; You might have gotten a chinese ripoff .. I dont remember the chip name... Hmmmm hard to see!

      edit:

      maybe : http://forum.mysensors.org/topic/300/rfm73-experience/ ?
      inverted CE?

      nrf24L01-black.jpg

      RJ_MakeR Offline
      RJ_MakeR Offline
      RJ_Make
      Hero Member
      wrote on last edited by
      #16

      @Damme
      Nice Catch Indeed!

      RJ_Make

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      • YveauxY Yveaux

        @aquapro The MySensors site (http://www.mysensors.org/build/connect_radio) gives the following wiring:

        Arduino     nRF24
        9           CE
        10          CSN
        13          SCK
        11          MOSI
        12          MISO
        2           IRQ
        

        These are the defaults for the library. CE & CSN you can adapt through the constructor of MySensor (did you do that?)

        Looking at the pictures I have a hard time figuring out the connections for pins 8..12, while these are just the interesting part...

        aquaproA Offline
        aquaproA Offline
        aquapro
        wrote on last edited by aquapro
        #17

        @Yveaux yes I checked wiring with (http://www.mysensors.org/build/connect_radio)
        more detail picture, hope so. (bad light)
        IMAG0491.jpg

        IMAG0493.jpg

        @Damme
        Chip is covered.
        IMAG0494.jpg

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        • YveauxY Yveaux

          @aquapro The MySensors site (http://www.mysensors.org/build/connect_radio) gives the following wiring:

          Arduino     nRF24
          9           CE
          10          CSN
          13          SCK
          11          MOSI
          12          MISO
          2           IRQ
          

          These are the defaults for the library. CE & CSN you can adapt through the constructor of MySensor (did you do that?)

          Looking at the pictures I have a hard time figuring out the connections for pins 8..12, while these are just the interesting part...

          aquaproA Offline
          aquaproA Offline
          aquapro
          wrote on last edited by
          #18

          @Yveaux

          Looking at the pictures I have a hard time figuring out the connections for pins 8..12, while these are just the interesting part...

          Pin 8?

          YveauxY DammeD 2 Replies Last reply
          0
          • aquaproA aquapro

            @Yveaux

            Looking at the pictures I have a hard time figuring out the connections for pins 8..12, while these are just the interesting part...

            Pin 8?

            YveauxY Offline
            YveauxY Offline
            Yveaux
            Mod
            wrote on last edited by
            #19

            @aquapro said:

            Pin 8?

            It looked like you could have a connection to pin 8, but apparently (in the better pictures) you haven't...

            http://yveaux.blogspot.nl

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            • aquaproA aquapro

              @Yveaux

              Looking at the pictures I have a hard time figuring out the connections for pins 8..12, while these are just the interesting part...

              Pin 8?

              DammeD Offline
              DammeD Offline
              Damme
              Code Contributor
              wrote on last edited by
              #20

              @aquapro I dont think you got a nordic semiconductor nrf24l01, What I can find they are only in QFN package.
              http://www.nordicsemi.com/eng/Products/2.4GHz-RF/nRF24L01

              So the specs on that chip may be different. Maybe CE is inverted?

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              • aquaproA Offline
                aquaproA Offline
                aquapro
                wrote on last edited by
                #21

                hm ... if CE inverted, ping sample should not work?! CE must switch between hight and low for TX and RX right? But Ping sample send and receive works.

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                • aquaproA Offline
                  aquaproA Offline
                  aquapro
                  wrote on last edited by
                  #22

                  Hi,

                  I have bought the new modules (right on pic), which operate without modification. I simply swapped and all is fine.
                  What do I do with the other. How can I test inverted.

                  new.jpg

                  hekH 1 Reply Last reply
                  0
                  • aquaproA aquapro

                    Hi,

                    I have bought the new modules (right on pic), which operate without modification. I simply swapped and all is fine.
                    What do I do with the other. How can I test inverted.

                    new.jpg

                    hekH Offline
                    hekH Offline
                    hek
                    Admin
                    wrote on last edited by
                    #23

                    @aquapro

                    I hope you didn't get the left one when purchasing through the links in the MySensors "store"?

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                    • aquaproA Offline
                      aquaproA Offline
                      aquapro
                      wrote on last edited by
                      #24

                      I got the left one from other eb..-"store".

                      1 Reply Last reply
                      0
                      • aquaproA Offline
                        aquaproA Offline
                        aquapro
                        wrote on last edited by
                        #25

                        The left one works with MySensor-Coding, but only with disconnected CE line.

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                        0
                        • Z Offline
                          Z Offline
                          Zeph
                          Hero Member
                          wrote on last edited by
                          #26

                          If it truly works correctly with CE disconnected, that could be an advantage when there is a shortage of pins (eg: 8 pin ATTiny).

                          Have you achieved full operation without CE on the old modules?

                          And did you leave CE floating or tie it high?

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                          • aquaproA Offline
                            aquaproA Offline
                            aquapro
                            wrote on last edited by
                            #27

                            I still see no difference when CE is disconnected.Only it as work at all.

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                            • Z Offline
                              Z Offline
                              Zeph
                              Hero Member
                              wrote on last edited by
                              #28

                              What vendor did you use to get the "no CE needed" variants? That could be useful to test.

                              I'm assuming that the nRF24L01+ doesn't work without CE connected, right?

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                              • aquaproA Offline
                                aquaproA Offline
                                aquapro
                                wrote on last edited by
                                #29

                                Eb.. no. 360917673897 vendor "liuddndd2009"

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