New Jarduino build gets started

[reefme]

is there a way to add a potentiometer to this?

[daplatapus]

Sorry of this is a stupid question, but add a potentiometer to do what?

[reefme]

To manually control the brightness of the LEDs rather than going to the software.

[ScubaSteve]

I was confused too but now I see...

With these particular drivers, no. The LDD drivers are controlled with a PWM signal rather than a 0-5 or 0-10V source. If you got a simple IC, like a 555, you could add a potentiometer to that to vary the PWM signal to the drivers. It's not difficult to implement if you want to forgo a controller. There are simpler controllers than the Jarduino if that's what you are looking for. I use a Typhon but will hopefully be experimenting soon with a cool new controller that Spencer at Blue World Victoria is working on.

[reefme]

It's OK now. I just add another screen for individual LED brightness and save it to eeprom.

[daplatapus]

Glad you got it figured out. I'm out camping and doing this on my phone with my big dumb thumbs
Trying not to have to put long posts up, lol.

[reefme]

Can you wire two LDD drivers to one output pin on arduino?