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💬 In-wall scene controller main board

openhardware.io last edited by openhardware.io

https://www.openhardware.io/view/541/In-wall-scene-controller-main-board
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No problem, I am running the nrf24 mqtt gateway on the rpi and it is working with no problem with domoticz. I choose the mqtt client gateway because I wanted to tinker around MQTT, but you could go for the ethernet gateway that is easier to manage.
Parallel Gateways
General Discussion • arduino gateway raspberry pi • • jocke4u

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@jocke4u I run 2 RF gateways and it's not a problem. When you 'migrate' a node to a new gateway make sure to run the mysensors clear eeprom sketch first to get rid of the old routing table or you might have issues.
How to make sense of Struct data received from Arduino in RPi via NRF24?
General Discussion • arduino raspberry pi rf24 • • nrf24_is_hard

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@nrf24_is_hard When I sent data between an Aduino and the RPi I discovered that I have to make the the receiving and the sending structs the same size AND the variables be on 4 byte boundaries. Change your char name[15] to char name[16] Another challenge is that the number of bytes of type int are different. If I remember correctly, Arduino Uno is 2 bytes and RPi is 4 bytes. To make matters worse, some compilers make the least significant byte the first byte of a word and others make it the last byte of a word. eg, sending the value 1 would be received as 16777216 (0x00000001 vs 0x01000000) There are a lot more gotcha's OSD
Several networks working along side each other
Development • arduino signing pairing • • Søren Heide Larsen

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@Søren-Heide-Larsen different networks can be achieved by setting different channels / network ID. See here for NRF24 and here for RFM69. There is no pairing function in MySensors.
MySensors MQTT gateway and serial rs485 sensor node communication
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Thanks for your fast reply. That sounds easy. And you think that the communication between sensor nodes and Gateway are still possible via wired RS485? I tried to find an example on this site for sending Information from Gateway to sensor nodes. (via SendMessage ?) For example I like to Switch on/off an light that is connected to an relay board at my sensor node. Communcation Flow: OpenHab2 --> MQTT --> Gateway --> RS485 --> Sensor Node --> Relay Board Currently I have an working RS485 Connection between my Arduino Uno's with the use from SoftwareSerial library. During my testings I realized, that the message that I triy to send "Hello" will be sent to the other arduino char by char. Is that true? Because I tried to raise up an pin on HIGH with "if(msg == "Hello")..." But it doesn't worked. Will the sendMsg method from the MySensor library handle this out of the box? Regards, Simon
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💬 In-wall scene controller main board

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💬 In-wall scene controller main board

Suggested Topics

Home Automation and monitoring My Project • mysensors arduino home automation • • sudo_bash80

Creating a wireless fingerprints sensor ! Hardware • arduino • • Ziip

Parallel Gateways General Discussion • arduino gateway raspberry pi • • jocke4u

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General Discussion • arduino gateway raspberry pi • • jocke4u

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General Discussion • arduino raspberry pi rf24 • • nrf24_is_hard

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