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Take a Joy-Con and connect it with WebHID, draw a picture in the air and capture it with the sensors. Create an SVG path and insert in the DOM. Apply CSS styling. Sample the DOM and use WebUSB to convert to ILDA and send it to a laser projector. I created the worlds most complicated laserpointer…

Niels Leenheer

@html5test.com

I feel these projects are escalating. Every time I think it can’t get any weirder, I somehow can make it even crazier. This is my actual heartbeat ❤️ I’ve connected a BLE heartrate monitor and triggering a CSS animation on every beat.

5/4/26, 11:06 am0 reposts11 likes

Niels Leenheer

@html5test.com

5 Apr

Don’t believe it? This is the actual code that gets rendered, sampled and send to the laser projector.