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data logger uses - no idea how to yet, thinking/hoping its not too hard
#1
Hello, I am picking one of these units and hoping to start figuring out these new sub 20$ computer systems (ardunio/raspberry)

I really want to use this to remote monitor my homes heating units.  I want to be able to monitor and record 4 different temperatures, with the capability of adding more, with a simple flow meter.

If anyone has any experience doing this, please feel free to contact me, or if anyone wants to figure this out and get a working model built - also contact me

I don't mind learning, but I also don't need or want to recreate a wheel if its already working.

Thanks

Pife
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#2
(01-18-2016, 09:58 AM)Pife-Ster Wrote: Hello, I am picking one of these units and hoping to start figuring out these new sub 20$ computer systems (ardunio/raspberry)

I really want to use this to remote monitor my homes heating units.  I really want to be able to monitor and record 4 different temperatures, with the capability of adding more, with a simple flow meter.

If anyone has any experience doing this, please feel free to contact me, or if anyone wants to figure this out and get a working model built - also contact me

I don't mind learning, but I also dont' need or want to recreate a wheel if its already working.

Thanks

Pife

We works with openHAB on home automation project and they will start porting once the Linux OS is up. From your description, this can be accomplished. You can check out openHAB at http://www.openhab.org.
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#3
Hi,

I have something similar setup in my house with three temperature sensors.  In my case, I use a DHT22 sensor and a Particle Photon to gather the temperature and humidity information and then publish it to the Particle Cloud.  I then use a Raspberry Pi to display the temperatures.  I also use Ubidots to both trigger alerts and to provide trending graphs.  It works great but is a different model than what you are thinking about.

I can share more details if you are interested.

Thank you,

JL
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#4
(01-18-2016, 01:25 PM)jl_678 Wrote: Hi,

I have something similar setup in my house with three temperature sensors.  In my case, I use a DHT22 sensor and a Particle Photon to gather the temperature and humidity information and then publish it to the Particle Cloud.  I then use a Raspberry Pi to display the temperatures.  I also use Ubidots to both trigger alerts and to provide trending graphs.  It works great but is a different model than what you are thinking about.

I can share more details if you are interested.

Thank you,

JL

hi, 

I want to know how to let dht22 work,
I try many times and ways , but it doesnot work  

thank you
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#5
(09-03-2017, 11:41 PM)hideDragon Wrote:
(01-18-2016, 01:25 PM)jl_678 Wrote: Hi,

I have something similar setup in my house with three temperature sensors.  In my case, I use a DHT22 sensor and a Particle Photon to gather the temperature and humidity information and then publish it to the Particle Cloud.  I then use a Raspberry Pi to display the temperatures.  I also use Ubidots to both trigger alerts and to provide trending graphs.  It works great but is a different model than what you are thinking about.

I can share more details if you are interested.

Thank you,

JL

hi, 

I want to know how to let dht22 work,
I try many times and ways , but it doesnot work  

thank you
The DHT22 is a one wire bus protocol and need exact timing sequence to read out the data, such protocol not suitable for Linux OS which runs on PINE A64 or Raspberry Pi. Please use the sensor that output UART, I2C or SPI data. If you still plan to use DHT22, please handle by microcontroller or Arduino first, then feed the data to PINE A64.

You can run barematel firmware or RTOS on PINE64 to reliable ready DHT22 data and this is another topic of discussion.
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#6
Is there a way to pull any data about pine64 and display it on a graph or write it to a csv file, example tmp of the RK processor, or LED light color similar to what bean https://punchthrough.com/bean/docs/proje...o-sd-card/
Or using Johnny-five http://johnny-five.io/ There is even a book published that has all the details for Pi, and Arduino perhaps somebody can tweak it to Pine64 and make a post https://livebook.manning.com/#!/book/jav...ter-11/207
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