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Post Number:#301 Post Thu Dec 10, 2015 10:10 am
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Hi!

I didn't this board, I have only the project.

This board is very simple.

Best regards.
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Post Number:#302 Post Thu Dec 10, 2015 10:54 am
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Post Number:#303 Post Fri Dec 11, 2015 12:15 am
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Post Number:#304 Post Fri Dec 11, 2015 11:36 pm
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Post Number:#305 Post Sat Dec 12, 2015 3:33 am
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how many PWM pins does Ferduino have, I want to control 4 jebao pumps (2 wave maker 2 dc return pumps), point is to use a single 24 volt by 450 watt power supply for all 4 pumps, also will make feed mode a lot easier and maintenance mode as well.
Happy reefing to all.
Christopher Kindig

Post Number:#306 Post Sat Dec 12, 2015 10:38 am
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on pin outs you have RJ-11 as one ground and one 5v, in board you have 2 gnd witch one is correct.


Hi!

For this PCB the 5V is useless so, do not connect the wire in 5V.

The 5V is useful if you want add a LED on PCB.

There 15 PWM pins but, for DC pumps there only 2 free pins.

You needs use the pins reserved for LEDs or use a PWM expander as PCA9685.

Best regards.
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Post Number:#307 Post Tue Dec 15, 2015 8:50 am
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So I have ordered the I2c expansion, 24v 350 watt power supply and 2 jebao return pumps I will also convert my skimmer to a jebao pump as well as I will have the room to do it with the expansion. Kind of excited about this. Got my wp60 today, that thing is a monster and moves a lot of water.
Happy reefing to all.
Christopher Kindig

Post Number:#308 Post Tue Dec 15, 2015 2:16 pm
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Hi!

Waiting to see it working. :)

Best regards.
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Post Number:#309 Post Wed Dec 16, 2015 11:24 pm
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Hi Fernando.
Do you have any thoughts on what the circuit will look like for using the board you have suggested, I have some stuff already worked out, but could use some help with details of things.
Happy reefing to all.
Christopher Kindig

Post Number:#310 Post Thu Dec 17, 2015 7:48 am
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Hi!

The wiring is like this:

Image


Best regards.
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Post Number:#311 Post Thu Dec 17, 2015 7:49 am
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From what I have found the circuit I need to build looks just like the one on the forum only it will have 6 out put connections, I will have one 24 volt+ bus to run all 5 pumps, on 24 v- connected in common with ferduino and pwm expansion, and the I2c communication on its own from ferduino. So I will need an LDD driver I thought I might. Will a LDD 350 be large enough my highest wattage is going to 105 watts, or should I use 1000 LDD? Or should I use this circuit for lights and LED pwm for motor control?
Happy reefing to all.
Christopher Kindig

Post Number:#312 Post Thu Dec 17, 2015 8:01 am
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Yes, is right.

In the image above the LDD is your PCB and the LED is your pump.
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Post Number:#313 Post Thu Dec 17, 2015 8:04 am
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Ok so I do not need LDD just the circuit board I have been working on. Just need to add connections for the other pumps. I will finish the board layout today can you look and see if missed any thing, your knowledge about this surpasses mine by far.
Happy reefing to all.
Christopher Kindig

Post Number:#314 Post Fri Dec 18, 2015 10:22 am
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Hi!

For Jebao pumps the LDD is not needed.

This image is only to show the concept, I mean all GNDs connected and +24V and PWM going directly to your PCB.

Show me the project.

Best regards.
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Post Number:#315 Post Fri Dec 18, 2015 11:00 am
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Post Number:#316 Post Sat Dec 19, 2015 11:51 pm
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Hi Fernando, what other I2c components will I have to program around, I have been reading up on how to do it, I would just like to know what I will be up against when my parts are all done. I am also going to make a separate screen for manual control of these pins as well thanks in advance for your support.
Happy reefing to all.
Christopher Kindig

Post Number:#317 Post Sun Dec 20, 2015 10:42 am
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Hi!

The PCF8575 on I2C bus should work normally with this new device. No changes on code are needed for others devices.

Best regards.
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Post Number:#318 Post Wed Dec 23, 2015 1:40 pm
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Hi Fernando, I have to provide an I2c address fort his within the code only on setup as (0x40) correct?

-------------------------------- Last edited Wed Dec 23, 2015 10:50 am --------------------------------

Image
Happy reefing to all.
Christopher Kindig

Post Number:#319 Post Wed Dec 23, 2015 1:53 pm
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Hi!

Check this tutorial please: https://learn.adafruit.com/16-channel-pwm-servo-driver

A basic code for it is:

#include <Wire.h>
#include <Adafruit_PWMServoDriver.h>
 
Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver(0x40);
 
void setup()
{
  Serial.begin(9600);
  Serial.println("16 channel PWM test!");
 
  pwm.begin();
  pwm.setPWMFreq(1600);  // This is the maximum PWM frequency

}

void loop()
{
  // Drive each PWM in a 'wave'
  for (uint16_t i=0; i<4096; i += 8)
 {
    for (uint8_t pwmnum=0; pwmnum < 16; pwmnum++)
    {
      pwm.setPWM(pwmnum, 0, (i + (4096/16)*pwmnum) % 4096 );
    }
  }
}


Best regards.
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.

Post Number:#320 Post Wed Dec 23, 2015 2:00 pm
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Image


-------------------------------- Last edited Wed Dec 23, 2015 11:02 am --------------------------------

Even with that code being for servos it will work for pwm motor?
Happy reefing to all.
Christopher Kindig

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