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    stef

    @stef

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    Best posts made by stef

    • NRF24 works better indoor at 2Mbps

      I've done several tests with a NRF24L01 (standard version and PA+LNA version) in a flat with a lot of wifi access point around and in a country house with a 4G antenna near.
      In my country house where i need an important range between sensors and gateway, the best choice is the channel 93 at 250kbps. The channels under 85 are perturbed by local wifi transmission (wifi channel 13 go up to 2,484GHz, which correspond to NRF channel 85) and the channel superior to 101 (2,5GHz) are perturbed by the nearby 4G antenna.
      In my flat, because of the very important wifi trafic, the channel 93 is also the best choice but the throughput of 2Mbps gives very best results (no transmission errors at all) than 1Mbps or even 250kbps. This is probably du to a different modulation scheme and a shorter frame duration.

      posted in Hardware
      stef
      stef

    Latest posts made by stef

    • RE: NRF24 works better indoor at 2Mbps

      @ashokgowtham
      No, there is no available parameters like RSSI in NRF24.
      I've just done repeating tests like opening/closing a switch with ack enable in the same conditions for the different throughputs.
      And after three weeks of use, i can confirm that I've no errors at all at 2Mbps. As i said this throughput improve transmissions with a lot of wifi interferences around.

      posted in Hardware
      stef
      stef
    • NRF24 works better indoor at 2Mbps

      I've done several tests with a NRF24L01 (standard version and PA+LNA version) in a flat with a lot of wifi access point around and in a country house with a 4G antenna near.
      In my country house where i need an important range between sensors and gateway, the best choice is the channel 93 at 250kbps. The channels under 85 are perturbed by local wifi transmission (wifi channel 13 go up to 2,484GHz, which correspond to NRF channel 85) and the channel superior to 101 (2,5GHz) are perturbed by the nearby 4G antenna.
      In my flat, because of the very important wifi trafic, the channel 93 is also the best choice but the throughput of 2Mbps gives very best results (no transmission errors at all) than 1Mbps or even 250kbps. This is probably du to a different modulation scheme and a shorter frame duration.

      posted in Hardware
      stef
      stef
    • RE: Jeedom controller and gateway on the same Raspi

      Thanks but when you've added the MySensors plugin, how to configure the gateway in the MySensors configuration page of Jeedom ?

      posted in Jeedom
      stef
      stef
    • Jeedom controller and gateway on the same Raspi

      Hi,
      I've tried Domoticz with a NRF24 gateway on the same Raspberry Pi (no need to use specific gateway on an Arduino) and it works well with a virtual serial port to link the controller and the gateway.
      Now i'm trying to use Jeedom as a controller (more flexible than Domoticz) on a Raspberry pi with an NRF24L01. Is it possible to do the same thing: the Raspi doing also the gateway job ?
      Thanks

      posted in Jeedom
      stef
      stef