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💬 UtiliPi

openhardware.io last edited by openhardware.io

https://www.openhardware.io/view/618/UtiliPi
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Raspberry PI + MQTT (Mosquitto) + Serial Gateway
General Discussion • mqtt raspberry pi serialgateway serial protocol • • catcher

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@catcher Thanks, I tried this Perl script and it is working out of the box with OpenHAB2! And I'm sending with MySensors 2.
Gateways
Development • esp8266 raspberry pi serial gateway nano rpi tcp gateway mqtt gateway • • OldSurferDude

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@OldSurferDude well, the ESP8266 is limited to 4 TCP clients in arduino IDE. This can't be really increased. I did som experiments and you can set it up to 15, but after the 5th client on my web server, I got a freeze. Maybe you got something wrong. #define MY_GATEWAY_MAX_CLIENTS 2 defines how many controllers (eg Home Assistant) can connect to the gateway, not how many sensors/MySensors devices. And yes, you can have multiple TCP gateways in HomeAssistant. I got an NRF24, an RFM95 long range and a RFM95 short range gateway (all based on ESP32) on the same Home Assistant. Regards, Edi
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
How do I setup Raspberry Pi 2 with NRF24L01 as MySensor 2.0 Gateway with MyController as controller
Hardware • nrf24l01 mycontroller.org gpio raspberry pi 2 rbp2 • • Christian Simonsen

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@alexsh1 Hi Alex, I tested the Sanity check on the the Arduino sensor node, and status came back OK. However I could get this to work on the Raspberry Pi, seems like this function is not yet supported. At least I couldn't find any info on it using the "./configuration -h". I don't have a AMS1117 available so I can test that. I connected my Arduino Nano and NRF24L01+ to the Raspberry Pi via USB, that would really well. So I might just use this solution instead as I see little benefit of connecting the NRF24L01 directly to the GPIO pins on the Raspberry Pi. Next step is to start building some battery powered sensors that I can use, and get MyController setup properly.
💬 RS485 MCU Module
OpenHardware.io • mysensor rs485 i2c fota sensor network • • openhardware.io

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@kimot in theory you might be right, but in practice... it just works. The propability of collisions is extremely low and this is, as far as I know, the only problem you can worry about. After all, it was not my idea to use MySensors with RS485: https://www.mysensors.org/build/rs485
Sending serial commands to sensors
Controllers • arduino openhab raspberry pi serial • • Tango2

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@Chester good point, but I was restarting the arduino and still couldn't get this to work correctly. Also, the missing "end" was just missed out of the paste here, it was in my code.
💬 Hmi4DinBox
OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • • openhardware.io

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BME280 failing to initialize after spikes in readings
Troubleshooting • pro mini i2c bme280 • • gogopotato

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Yes. Correct. call BME.begin() every time and the subroutine only at the beginning. And you are also correct about the library. I use the "blue" lib, from Sparkfun. As i can recall correct (it's been over a year since I built the damn thing) I have tried both, and found the Sparkfun more stable. And you CAN switch off power for this module, but after conversion it goes to sleep and uses less than 1uA. Hardly worth the effort, because the current can find a way over the data lines, and that's a pain in the behind to solve (I tried!).

💬 UtiliPi

Suggested Topics

Raspberry PI + MQTT (Mosquitto) + Serial Gateway
General Discussion • mqtt raspberry pi serialgateway serial protocol • • catcher

Gateways
Development • esp8266 raspberry pi serial gateway nano rpi tcp gateway mqtt gateway • • OldSurferDude

How to make sense of Struct data received from Arduino in RPi via NRF24?
General Discussion • arduino raspberry pi rf24 • • nrf24_is_hard

How do I setup Raspberry Pi 2 with NRF24L01 as MySensor 2.0 Gateway with MyController as controller
Hardware • nrf24l01 mycontroller.org gpio raspberry pi 2 rbp2 • • Christian Simonsen

💬 RS485 MCU Module
OpenHardware.io • mysensor rs485 i2c fota sensor network • • openhardware.io

Sending serial commands to sensors
Controllers • arduino openhab raspberry pi serial • • Tango2

💬 Hmi4DinBox
OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • • openhardware.io

BME280 failing to initialize after spikes in readings
Troubleshooting • pro mini i2c bme280 • • gogopotato

63
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💬 UtiliPi

Suggested Topics

Raspberry PI + MQTT (Mosquitto) + Serial Gateway General Discussion • mqtt raspberry pi serialgateway serial protocol • • catcher

Gateways Development • esp8266 raspberry pi serial gateway nano rpi tcp gateway mqtt gateway • • OldSurferDude

How to make sense of Struct data received from Arduino in RPi via NRF24? General Discussion • arduino raspberry pi rf24 • • nrf24_is_hard

How do I setup Raspberry Pi 2 with NRF24L01 as MySensor 2.0 Gateway with MyController as controller Hardware • nrf24l01 mycontroller.org gpio raspberry pi 2 rbp2 • • Christian Simonsen

💬 RS485 MCU Module OpenHardware.io • mysensor rs485 i2c fota sensor network • • openhardware.io

Sending serial commands to sensors Controllers • arduino openhab raspberry pi serial • • Tango2

💬 Hmi4DinBox OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • • openhardware.io

BME280 failing to initialize after spikes in readings Troubleshooting • pro mini i2c bme280 • • gogopotato

63Online

11.4kUsers

11.1kTopics

112.7kPosts

Raspberry PI + MQTT (Mosquitto) + Serial Gateway
General Discussion • mqtt raspberry pi serialgateway serial protocol • • catcher

Gateways
Development • esp8266 raspberry pi serial gateway nano rpi tcp gateway mqtt gateway • • OldSurferDude

How to make sense of Struct data received from Arduino in RPi via NRF24?
General Discussion • arduino raspberry pi rf24 • • nrf24_is_hard

How do I setup Raspberry Pi 2 with NRF24L01 as MySensor 2.0 Gateway with MyController as controller
Hardware • nrf24l01 mycontroller.org gpio raspberry pi 2 rbp2 • • Christian Simonsen

💬 RS485 MCU Module
OpenHardware.io • mysensor rs485 i2c fota sensor network • • openhardware.io

Sending serial commands to sensors
Controllers • arduino openhab raspberry pi serial • • Tango2

💬 Hmi4DinBox
OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • • openhardware.io

BME280 failing to initialize after spikes in readings
Troubleshooting • pro mini i2c bme280 • • gogopotato

63
Online

11.4k
Users

11.1k
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112.7k
Posts