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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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  • aquaproA Offline
    aquaproA Offline
    aquapro
    wrote on last edited by
    #12

    Pictures reflect the curren?t wiring! Same Problem with closer wiring

    1 Reply Last reply
    0
    • aquaproA aquapro

      If I disconnect orange wire (red marker on first sensor picture), sensor works fine.

      Sensor figures:
      IMAG0483a.jpg
      IMAG0484.jpg
      IMAG0485.jpg

      Gateway figures:
      IMAG0486.jpg
      IMAG0487.jpg
      IMAG0488.jpg
      IMAG0490.jpg

      YveauxY Offline
      YveauxY Offline
      Yveaux
      Mod
      wrote on last edited by
      #13

      @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...

      http://yveaux.blogspot.nl

      aquaproA 2 Replies Last reply
      0
      • aquaproA aquapro

        hello,
        very good project!
        I currently testing version 1.4b1 and I have a problem. Only if I disconnect the CE line on the sensor, the values ​​are transferred.
        If the CE line is connected, only one part will be sent, see Figure 1, the LED on the sensor remains on. As soon as I disconnect CE line, all values ​​are not sent are transmitted (Figure 2) and the LED goes out and lights up briefly in the next transmission.

        Does anyone have an idea?

        greeting

        aqua
        1_4_test_1.PNG
        Figure1

        1_4_test_1b.PNG
        Figure 2

        DammeD Offline
        DammeD Offline
        Damme
        Code Contributor
        wrote on last edited by Damme
        #14

        @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 RJ_MakeR 2 Replies Last reply
        0
        • 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

            1 Reply Last reply
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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

              1 Reply Last reply
              0
              • 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

                  1 Reply 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?

                    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.

                      1 Reply Last reply
                      0
                      • 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 Online
                          hekH Online
                          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"?

                          1 Reply Last reply
                          0
                          • aquaproA Offline
                            aquaproA Offline
                            aquapro
                            wrote on last edited by
                            #24

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

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                            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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                                0
                                • 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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                                  0
                                  • 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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