reef-pi :: An opensource reef tank controller based on Raspberry Pi.

thamnasteroid · Nov 18, 2020

I have been looking at the instructions on Adafruit and for each part of the project, you need a raspberry pi hat. Are you able to fit multiple hats onto the raspberry pi or do you need a new raspberry pi every time you build a part of it?

NeonRabbit221B · Nov 18, 2020

djent0000 said:
I have been looking at the instructions on Adafruit and for each part of the project, you need a raspberry pi hat. Are you able to fit multiple hats onto the raspberry pi or do you need a new raspberry pi every time you build a part of it?

I put all of my wiring on a single hat. Its a bit cluttered but I did every module except lighting. Alternatives are pre-built hats that members here offer (e.x. leviathan)

thamnasteroid · Nov 18, 2020

NeonRabbit221B said:
I put all of my wiring on a single hat. Its a bit cluttered but I did every module except lighting. Alternatives are pre-built hats that members here offer (e.x. leviathan)

I don't like stuff being cluttered, so I was wondering if multiple reef pi hats can be stacked on top of each other.
I also do not want to use pre-built hats because I want the DIY experience.

NeonRabbit221B · Nov 18, 2020

djent0000 said:
I don't like stuff being cluttered, so I was wondering if multiple reef pi hats can be stacked on top of each other.
I also do not want to use pre-built hats because I want the DIY experience.

Yup as long as you check your wiring you can do it that way.

92Miata · Nov 19, 2020

Is there any good documentation for the "Reef Pi PWM Frequency" setting, and the Dosing "Speed" setting? Things aren't working as I'd expect - and I'm trying to figure out what I don't understand.

Basically, I've got the PWM frequency set to 100, and I've got a stepper motor with 1.8 degrees step angle/200 steps (A4988 driver) . I've got the driver set to full steps.

My expectation was that at 100hz, and 200 steps needed, a revolution would take 2 seconds. Its running way faster than that (several revolutions per second). I'm also not 100% sure what the speed setting is doing - it won't run at 100%, but will run at anything else and as far as I can tell speed isn't varying visibly.

Ranjib · Nov 19, 2020

92Miata said:
Is there any good documentation for the "Reef Pi PWM Frequency" setting, and the Dosing "Speed" setting? Things aren't working as I'd expect - and I'm trying to figure out what I don't understand.

Basically, I've got the PWM frequency set to 100, and I've got a stepper motor with 1.8 degrees step angle/200 steps (A4988 driver) . I've got the driver set to full steps.

My expectation was that at 100hz, and 200 steps needed, a revolution would take 2 seconds. Its running way faster than that (several revolutions per second). I'm also not 100% sure what the speed setting is doing - it won't run at 100%, but will run at anything else and as far as I can tell speed isn't varying visibly.

As you have noticed, reef-pi does not have straight forward way to configure stepper, in ways that you can control the precise pwm life cycle. The % value stands for duty_cycle. 100% means the entire duty_cycle,

92Miata · Nov 19, 2020

Ranjib said:
As you have noticed, reef-pi does not have straight forward way to configure stepper, in ways that you can control the precise pwm life cycle. The % value stands for duty_cycle. 100% means the entire duty_cycle,

Alrighty - so it makes sense that the speed setting didn't make a difference - the stepper control works on the rising cycle and that's not changing.

Is the raspberry pi pwm frequency in the main configuration page actually hz? Or is it something else ?

InactiveAcct · Nov 19, 2020

Is it possible to use reefpi to PWM control a 20 VDC lighting system? If so do you recommend circuitry that includes an optical isolator to prevent the 20 from hitting the pi?

Ranjib · Nov 19, 2020

DanTheReefer said:
Is it possible to use reefpi to PWM control a 20 VDC lighting system? If so do you recommend circuitry that includes an optical isolator to prevent the 20 from hitting the pi?

get an appropriate meanwell driver and connect pi pwm to that, and let meanwell supply the current to led,

Ranjib · Nov 19, 2020

92Miata said:
Alrighty - so it makes sense that the speed setting didn't make a difference - the stepper control works on the rising cycle and that's not changing.

Is the raspberry pi pwm frequency in the main configuration page actually hz? Or is it something else ?

hz

92Miata · Nov 19, 2020

Ranjib said:
hz

Thanks for the help - figured out my issue. The Dosing pumps are running of the pca9685 - not the pi itself - so I adjusted the frequency in the driver for that - and now they're running at a speed that makes more sense.

Freccialata · Nov 21, 2020

Hello everyone.
I have a problem.
I changed the way to access reef-pi from "http" to "https".
I didn't specify the address and the port... default is 0.0.0.0.
Now I can't access the webserver.

Should I reset the database or there is a way to "save" the configuration and access again to reef-pi?

Thank you in advance for your support.

Ranjib · Nov 21, 2020

HTTPS://<pi>:80

Try that, just specify port 80 explicitly (with the colon ), along with https

drm2215 · Nov 21, 2020

Hey Reef-Pi people,
I am having issues controlling my Kessil A160WE. I am able to manually adjust the two channels with the slider, and channel 1 is white and channel 2 is blue. My problem is that if I lower channel 2 below 10, both channels turn off? Channel 1 can go to zero and the channel 2 blue lights will stay on at what ever intensity its set to. Is this by design? Can you have White light without blue?
Additionally, I am wondering if anyone can speak to the TRRS adapter that came with my light? Is it required? Is there any benefit to using a TRRS cable and jack at the reef-pi?
TIA

Freccialata · Nov 21, 2020

Ranjib said:
HTTPS://<pi>:80

Try that, just specify port 80 explicitly (with the colon ), along with https

Nothing to do... I tried :80 and :8080.
At this point I think I have to connect by ssh and reset the reef-pi datatbese!!! :-(
Is it right?

Ranjib · Nov 22, 2020

Freccialata said:
Nothing to do... I tried :80 and :8080.
At this point I think I have to connect by ssh and reset the reef-pi datatbese!!! :-(
Is it right?

That is the last resort. But if you are comfortable with there are many workaround that does not involve resetting database. for example, you can stop reef-pi and run

Code:

reef-pi db show reef-pi settings

that will show reef-pi settings which will include a field named "address", that has ip and port reef-pi is using

Ranjib · Nov 22, 2020

drm2215 said:
Hey Reef-Pi people,
I am having issues controlling my Kessil A160WE. I am able to manually adjust the two channels with the slider, and channel 1 is white and channel 2 is blue. My problem is that if I lower channel 2 below 10, both channels turn off? Channel 1 can go to zero and the channel 2 blue lights will stay on at what ever intensity its set to. Is this by design? Can you have White light without blue?
Additionally, I am wondering if anyone can speak to the TRRS adapter that came with my light? Is it required? Is there any benefit to using a TRRS cable and jack at the reef-pi?
TIA

This is expected. Kessil does not dim till 0. In my experience below 13 pwm values (0-100) my A80, A360 etc will start blinking. This is the reason we introduced "min" value for individual channels early on. that tells reef-pi to set the channel value to 0 when the computed value (From profile) is below the minimum value.

Freccialata · Nov 22, 2020

Ranjib said:
That is the last resort. But if you are comfortable with there are many workaround that does not involve resetting database. for example, you can stop reef-pi and run

Code:

reef-pi db show reef-pi settings

that will show reef-pi settings which will include a field named "address", that has ip and port reef-pi is using

I connected by ssh and wrote the commands you suggested.
This is the output... port is not showed (it should be :80 by default).

pi@raspberrypi:~ $ sudo systemctl stop reef-pi.service
pi@raspberrypi:~ $ sudo reef-pi db show reef-pi settings
{"name":"Freccialata's Aquarium","interface":"wlan0","address":"0.0.0.0","display":false,"notification":true,"capabilities":{"dev_mode":false,"dashboard":true,"health_check":true,"equipment":true,"timers":false,"lighting":false,"temperature":true,"ato":false,"camera":false,"doser":false,"ph":true,"macro":false,"configuration":true,"journal":false},"health_check":{"enable":true,"max_memory":500,"max_cpu":2},"https":true,"pprof":false,"rpi_pwm_freq":100,"prometheus":false}
pi@raspberrypi:~ $ sudo systemctl start reef-pi.service

I aslo tried to open chromium-browser by terminal...

pi@raspberrypi:~ $ chromium-browser http://192.168.178.230
--disable-quic --enable-tcp-fast-open --ppapi-flash-path=/usr/lib/chromium-browser/libpepflashplayer.so --ppapi-flash-args=enable_stagevideo_auto=0 --ppapi-flash-version=
libEGL warning: DRI2: failed to authenticate
[4304:4304:1122/090203.048757:ERROR:sandbox_linux.cc(369)] InitializeSandbox() called with multiple threads in process gpu-process.
[4252:4437:1122/090203.726939:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
[4252:4437:1122/090203.727980:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
[4252:4437:1122/090203.728991:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
Fontconfig error: Cannot load default config file

I tried the follow commands too:

chromium-browser http://192.168.178.230:80
chromium-browser http://192.168.178.230:8080
chromium-browser https://192.168.178.230:80
chromium-browser https://192.168.178.230:8080

Any other suggestion?

Ranjib · Nov 22, 2020

Freccialata said:
I connected by ssh and wrote the commands you suggested.
This is the output... port is not showed (it should be :80 by default).

pi@raspberrypi:~ $ sudo systemctl stop reef-pi.service
pi@raspberrypi:~ $ sudo reef-pi db show reef-pi settings
{"name":"Freccialata's Aquarium","interface":"wlan0","address":"0.0.0.0","display":false,"notification":true,"capabilities":{"dev_mode":false,"dashboard":true,"health_check":true,"equipment":true,"timers":false,"lighting":false,"temperature":true,"ato":false,"camera":false,"doser":false,"ph":true,"macro":false,"configuration":true,"journal":false},"health_check":{"enable":true,"max_memory":500,"max_cpu":2},"https":true,"pprof":false,"rpi_pwm_freq":100,"prometheus":false}
pi@raspberrypi:~ $ sudo systemctl start reef-pi.service

I aslo tried to open chromium-browser by terminal...

pi@raspberrypi:~ $ chromium-browser http://192.168.178.230
--disable-quic --enable-tcp-fast-open --ppapi-flash-path=/usr/lib/chromium-browser/libpepflashplayer.so --ppapi-flash-args=enable_stagevideo_auto=0 --ppapi-flash-version=
libEGL warning: DRI2: failed to authenticate
[4304:4304:1122/090203.048757:ERROR:sandbox_linux.cc(369)] InitializeSandbox() called with multiple threads in process gpu-process.
[4252:4437:1122/090203.726939:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
[4252:4437:1122/090203.727980:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
[4252:4437:1122/090203.728991:ERROR:eek:bject_proxy.cc(632)] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
Fontconfig error: Cannot load default config file

I tried the follow commands too:

chromium-browser http://192.168.178.230:80
chromium-browser http://192.168.178.230:8080
chromium-browser https://192.168.178.230:80
chromium-browser https://192.168.178.230:8080

Any other suggestion?

Ouch.. its looks like the port is set to blank and as a result, reef-pi is crashing. You can save the settings in a file, change the address to include :443 , i.e "0.0.0.0:443" and then reupload it, start reef-pi back,.

Code:

 sudo reef-pi db show reef-pi settings > s.json 
 # edit the s.json file to change address and include port 443 in it. 
sudo reef-pi db update reef-pi settings -input s.json

And start reef-pi again . After this you should. E able to access reef pi just as https://ip , because 443 is default port for https

Freccialata · Nov 22, 2020

Ranjib said:
Ouch.. its looks like the port is set to blank and as a result, reef-pi is crashing. You can save the settings in a file, change the address to include :443 , i.e "0.0.0.0:443" and then reupload it, start reef-pi back,.

Code:

sudo reef-pi db show reef-pi settings > s.json # edit the s.json file to change address and include port 443 in it. sudo reef-pi db update reef-pi settings -input s.json

And start reef-pi again . After this you should. E able to access reef pi just as https://ip , because 443 is default port for https

pi@raspberrypi:~ $ sudo systemctl stop reef-pi.service
pi@raspberrypi:~ $ sudo reef-pi db show reef-pi settings > s.json
pi@raspberrypi:~ $ nano s.json

Here i modify "address":"0.0.0.0" in "address":"0.0.0.0:443".
^O and ^X

pi@raspberrypi:~ $ sudo reef-pi db update reef-pi settings -input s.json

The terminal of the ssh connection stucks.... nothing happens! :-(