[sdiy] OLED noise

[Roman Sowa]

Boost converter is on the glass and is constantly switching currents to 
the capacitors located on PCB. Between them couple of cm of flex circuit.
Here's your transmitter and antenna.

Roman

W dniu 2018-09-03 o 14:37, Alex Evans pisze:
> Yeah I found that on all the adafruit options and the display I linked 
> in boost converter mode. With a clean 12v from eurorack for the oled 
> supply, it’s night and day - all the issues you mention significantly 
> better. Less noise too
> I guess the boost converters on them are just not up to the job.
> 
> Sent from my iPhone
> 
> On 3 Sep 2018, at 10:03, Mattias Rickardsson <mr at analogue.org 
> <mailto:mr at analogue.org>> wrote:
> 
>> On Sun, 2 Sep 2018 at 23:01, Alex Evans <alex at mediamolecule.com 
>> <mailto:alex at mediamolecule.com>> wrote:
>>
>>     hello! first post :)
>>
>>
>> Hi! :-)
>>
>>     ... I've found it easy to use, and noise (And flicker) free.
>>
>>
>> Another slightly related OLED question comes to my mind:
>>
>> I'm seeing a lot of problems with OLEDs in terms of
>> - lots of flickering (100-200 Hz with extremely short ON time in these 
>> strobe bursts)
>> - lower intensity on a pixel row if many pixels on the row are lit
>> - burn-in, causing the most used pixels to fade after time
>>
>> Are all OLEDs like this?
>> It should be possible to avoid particularly the first two design 
>> issues above.
>>
>> /mr
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