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Discussion Starter · #1 ·
Hey everyone! New owner here. I was watching some reviews before buying the car and I noticed that some reviews had a cool effect to the heartbeat DRLs. I can’t seem to recreate it though. I tried turning the fogs off, turn signals, and hazards but no luck. Am I missing something?
The effect I’m talking about is 3:10 into the video. Example
 

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2021 Kia K5 EX
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Hey everyone! New owner here. I was watching some reviews before buying the car and I noticed that some reviews had a cool effect to the heartbeat DRLs. I can’t seem to recreate it though. I tried turning the fogs off, turn signals, and hazards but no luck. Am I missing something?
The effect I’m talking about is 3:10 into the video. Example
You can’t. I believe that’s just the nature of how the camera picks up the led light unfortunately. Would be really cool if you could though!
 

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Discussion Starter · #3 ·
You can’t. I believe that’s just the nature of how the camera picks up the led light unfortunately. Would be really cool if you could though!
I dunno. It looks too perfect for it to be that IMO. I feel like it would be blinking if it was a weird camera issue. Bummer though
 

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its the frame rate of the camera being faster than the rate of the pulse width modulator for the leds. basically the leds are constantly in a flash but at i high frequency'
Yep, this is exactly it. If the lights were shot with 60 FPS and 120 FPS, you'd see a difference between the two in terms of the "pulsing" speed.
 

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I really wished they actually had the heart beat design, it looks so sick. The first time I saw a K5 on the streets I swore it had a heartbeat flash. Made me fall in love right then. I wonder if an arduino can replicate the heartbeat pattern or some custom shop can do it.
 

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Yep, this is exactly it. If the lights were shot with 60 FPS and 120 FPS, you'd see a difference between the two in terms of the "pulsing" speed.
It's the same strobing effect that you see in marketing videos of a car alone on on a scenic highway where the wheels seem to be rotating backwards. The marketing department likes that effect because it catches your attention. 🙂

As for the DRLs, if it were possible to have a dial that linearly controls camera frame rate, you could even control the perceived direction and speed of the heartbeat.
 
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