I made a 6 foot long LED staff with 1,500 LEDs. It had a huge custom battery ins...

		elliottkember on Aug 7, 2023 \| parent \| context \| favorite \| on: Ask HN: What's the coolest physical thing you've m... I made a 6 foot long LED staff with 1,500 LEDs. It had a huge custom battery inside it and it lasted for hours and hours. I got really into programming LEDs and making great patterns, but it was a lot of work keeping it running and replacing LEDs as they failed.