VL53L1X filter for red light?

Sensors Distance
1

Hi all,

I’m trying to use the VL53L1X sensor for a distance indicator for parking in my garage, and it seems the sensor is confused when it sees my brake lights, problematic because I back into my garage. Has anyone found a filter of any sort that can knock down red visible light without inhibiting the sensor’s ability to work? I’ve thought about sacrificing a TV remote for the window used for the IR LED, but I’m trying to avoid doing something destructive without having some confidence it’s going to pay off.

Cheers,

Drew

2

Using the Max3010x Arduino library, we could get the values of IR, RED and GReen LEDs. But I can’t see any such option in the VL53L1X library. I think it could help if you could continuously read the Red led’s value.

3

The VL53L1X emitter is a 940 nm (NIR) laser diode.

A 940 nm filter over the detector might work, but in the event that the photodiode is confused by NIR emission from incandescent brake lights, another option would be to replace the brake lights with LED versions.

Or use an ultrasonic distance sensor.