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  1. Home
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  3. nRF24L01+PA+LNA MAX power

nRF24L01+PA+LNA MAX power

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  • S Offline
    S Offline
    sundberg84
    Hardware Contributor
    wrote on last edited by sundberg84
    #2

    @Fat-Fly - well, you could use a voltage regulator like LE33ACZ or NRF24L01+ Socket Adapter Board (also found in store). The problem might occur if you connect it through the arduino.

    Controller: Proxmox VM - Home Assistant
    MySensors GW: Arduino Uno - W5100 Ethernet, Gw Shield Nrf24l01+ 2,4Ghz
    MySensors GW: Arduino Uno - Gw Shield RFM69, 433mhz
    RFLink GW - Arduino Mega + RFLink Shield, 433mhz

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    • Fat FlyF Offline
      Fat FlyF Offline
      Fat Fly
      wrote on last edited by
      #3

      alt text

      This ? Power from adapter, not from arduino.

      R 1 Reply Last reply
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      • S Offline
        S Offline
        sundberg84
        Hardware Contributor
        wrote on last edited by
        #4

        @Fat-Fly - think so, I have not tested it myself but as long as you have enough mA on your charger/power and that chip doesnt limit it somehow i think it will work great.

        Controller: Proxmox VM - Home Assistant
        MySensors GW: Arduino Uno - W5100 Ethernet, Gw Shield Nrf24l01+ 2,4Ghz
        MySensors GW: Arduino Uno - Gw Shield RFM69, 433mhz
        RFLink GW - Arduino Mega + RFLink Shield, 433mhz

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        • Fat FlyF Fat Fly

          alt text

          This ? Power from adapter, not from arduino.

          R Offline
          R Offline
          r-nox
          wrote on last edited by
          #5

          @Fat-Fly said:

          alt text

          This ? Power from adapter, not from arduino.

          I have used this adapter and it works well.

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          • Fat FlyF Offline
            Fat FlyF Offline
            Fat Fly
            wrote on last edited by
            #6

            I try. I bought these from China friends 20 pcs.

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            • K Offline
              K Offline
              karl261
              wrote on last edited by
              #7

              I also use this small board for powering the nrf+pa+ln. So far no problems with it!

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              • Fat FlyF Offline
                Fat FlyF Offline
                Fat Fly
                wrote on last edited by
                #8

                I need solder power wire to Nano mini usb connector directly? I use for power meter Arduino Nano.

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                • K Offline
                  K Offline
                  karl261
                  wrote on last edited by karl261
                  #9

                  If I remember correctly, then this little board has a nice and strong power regulator for 3.3 V on board. On my repeater node I have connected my 5V usb charger to this little board and I use the 3.3 V output to power directly both the pro mini and the nrf.

                  If you use the socket on the board to put you nrf in, I would feed the board with a strong 5V source.

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                  • Fat FlyF Offline
                    Fat FlyF Offline
                    Fat Fly
                    wrote on last edited by
                    #10

                    Okay. I solder wire from nrf socket power directly to arduino nano mini usb connector power wire.

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                    • Fat FlyF Offline
                      Fat FlyF Offline
                      Fat Fly
                      wrote on last edited by
                      #11

                      I connect nrf socket + pin to Nano 5V pin. Working perfect.

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                      • Fat FlyF Offline
                        Fat FlyF Offline
                        Fat Fly
                        wrote on last edited by
                        #12

                        Hey.

                        If i need change nrf tx power in arduino sketch. This is right ?
                        #define MY_RF24_PA_LEVEL RF24_PA_LOW

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                        • gohanG Offline
                          gohanG Offline
                          gohan
                          Mod
                          wrote on last edited by
                          #13

                          Replace LOW with HIGH or MAX for the highest power settings

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