DIY Radeon clone?

[paphater]

Does RPi have 6 pwm pins? I’m sorry, also totally new to this RPi thing but it’s exciting!

Edit: It appears to have two pwm pins. And Theatrus board only has 2 outputs as well.

You add a separate board that gives you 16 pwm channels.

 

[henGermany]

There is some module to enable pwm on all raspberry pins: https://www.npmjs.com/package/pigpio

ReefPI is not that bad though... but i prefer to do a custom solution.
The raspberry has great support for node.js, so most of it could be rapidly developed in javascript.

Some years back, i published a reef management app for ios and android that comes with all kind of calculators for dosing plans and water adjustments.
My idea is to merge some of the code to the raspberry software, that would allow you to enter your water measurements and to automaticly manage the dosing pumps based on that.

Another point is alerts about things that might go wrong. I really want to receive those as messages by whatsapp or telegram.

@paphater
Maybe we start a shared project for this? I could supply the coding part.

 

[Diggem]

I'm also replacing my storm x with a reef pi. With the reef pi you won't need any coding experience unless you really want to customize it. You will need to solder a few pieces which is easy enough.
https://learn.adafruit.com/reef-pi-installation-and-configuration

And I'm sure we all wouldn't mind helping you put together a parts list.

ok can you send me a parts list of all i would need want to build light for standard 20g

 

[Diggem]

the reef pi thing sound hard to me but will give it a go

 

[Kampo]

got my arrays today, pretty impressed by build quality.

 

[Diggem]

let us know how those are those are way different than the others

 

[dantimdad]

got my arrays today, pretty impressed by build quality.

Please post build pics.

 

[Diggem]

got my arrays today, pretty impressed by build quality.

What are using for controller how big tank are you building for

 

[rushbattle]

• Natively yes. It’s easy to add one of the multi channel PWM chips - Ranjib Even has a guide.

  Not finding Ranjibs guide. Looked around for boards but didn’t find what I was looking for. Any links anyone? Thanks a bunch for the help!

Edit: Is something like this what I am looking for?
https://pinout.xyz/pinout/servo_pwm_pi_zero#

 

[theatrus]

• 
  Not finding Ranjibs guide. Looked around for boards but didn’t find what I was looking for. Any links anyone? Thanks a bunch for the help!

Edit: Is something like this what I am looking for?
https://pinout.xyz/pinout/servo_pwm_pi_zero#

The PCA9685 is what you want.

https://learn.adafruit.com/reef-pi-lighting-controller/parts

 

[cmcoker]

• 
  Not finding Ranjibs guide. Looked around for boards but didn’t find what I was looking for. Any links anyone? Thanks a bunch for the help!

Edit: Is something like this what I am looking for?
https://pinout.xyz/pinout/servo_pwm_pi_zero#

https://www.reef2reef.com/threads/r...&share_tid=289256&share_fid=1020&share_type=t
Perhaps this thread has the guide you're looking for

 

[rushbattle]

The PCA9685 is what you want.

https://learn.adafruit.com/reef-pi-lighting-controller/parts

Thank you very much!

 

[henGermany]

Thank you very much!

Pigpio allows you to use GPIO 0 through 31 for pwm: https://github.com/joan2937/pigpio or node module: https://www.npmjs.com/package/pigpio
So you could control up to 31 led channels without any extra hardware.

Unlike that, there is a bunch of unanswered questions about reefPi.
Like the dosing pumps must be somehow calibrated to ensure the maximum accurancy.

 

[Kampo]

What are using for controller how big tank are you building for

Planning on reefpi for the controller. 2 of these arrays plus a few rb diodes added to the the channel. And a couple mints added to the white.

Tank is a 30x30x,24 cube

 

[theatrus]

Pigpio allows you to use GPIO 0 through 31 for pwm: https://github.com/joan2937/pigpio or node module: https://www.npmjs.com/package/pigpio
So you could control up to 31 led channels without any extra hardware.

Unlike that, there is a bunch of unanswered questions about reefPi.
Like the dosing pumps must be somehow calibrated to ensure the maximum accurancy.

Pigpio does this via bit-banging in a kernel module... on a non real time system. Good effort, but the bulk of your CPU time is going to go here. Plus jitter.

The cheap DC motor pumps will always need some calibration. I recommend the stepper motor pumps which, once calibrated for tubing, will deliver more consistent results. But I also don’t know what vague complaints about reef-Pi are doing in this thread - I wish you luck with your project!

 

[paphater]

@henGermany that sounds really interesting but when it comes to electronics I'm really only good at following directions. I have a very limited knowledge base past leds and soldering.

 

[paphater]

ok can you send me a parts list of all i would need want to build light for standard 20g

Which array are you going with and how many?

 

[Diggem]

Which array are you going with and how many?

Not sure been hoping to hear more on the ones being used was leaning towards the round one

 

[paphater]

Do you have links to the round one? The round one will be a bit easier to since you won't have to solder on to the array.

 

[Diggem]

Do you have links to the round one? The round one will be a bit easier to since you won't have to solder on to the array.

https://m.ebay.com/itm/5-Channel-Cr...fffa1c0c&_mwBanner=1&_rdt=1&ul_noapp=truethis one don't think uyo will need to add the blue like with the other