[sdiy] current sink idea

Mike Bryant mbryant at futurehorizons.com
Sat Nov 30 12:53:17 CET 2024


One problem is low cost displays aren't shielded so you'll transmit the PWM frequency everywhere

________________________________
From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Gordonjcp <gordonjcp at gjcp.net>
Sent: 30 November 2024 11:48
To: synth-diy at synth-diy.org <synth-diy at synth-diy.org>
Subject: Re: [sdiy] current sink idea

On Sat, Nov 30, 2024 at 09:17:13AM +0100, Roman Sowa via Synth-diy wrote:
> with 2 days ago.
> Special needs require special solutions - I needed to control display's
> backlit intensity from internal DAC of the microcontroller, which

Immediate first question - why not use a PWM pin?

--
Gordonjcp

________________________________________________________
This is the Synth-diy mailing list
Submit email to: Synth-diy at synth-diy.org
View archive at: https://synth-diy.org/pipermail/synth-diy/
Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy
Selling or trading? Use marketplace at synth-diy.org

________________________________
From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Gordonjcp <gordonjcp at gjcp.net>
Sent: 30 November 2024 11:48
To: synth-diy at synth-diy.org <synth-diy at synth-diy.org>
Subject: Re: [sdiy] current sink idea

On Sat, Nov 30, 2024 at 09:17:13AM +0100, Roman Sowa via Synth-diy wrote:
> with 2 days ago.
> Special needs require special solutions - I needed to control display's
> backlit intensity from internal DAC of the microcontroller, which

Immediate first question - why not use a PWM pin?

--
Gordonjcp

________________________________________________________
This is the Synth-diy mailing list
Submit email to: Synth-diy at synth-diy.org
View archive at: https://synth-diy.org/pipermail/synth-diy/
Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy
Selling or trading? Use marketplace at synth-diy.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20241130/0192200b/attachment.htm>


More information about the Synth-diy mailing list