On Wednesday, December 12, 2018 at 9:26:36 AM UTC-8, wrote:
On Wednesday, December 12, 2018 at 12:16:11 PM UTC-5, wrote:

I know you think you're right about everything, but you're not. LEDs do sometimes go into flickering mode.

Now, show us a link where the emitter is the cause of the flicker, and not the driver.