Seb Lee-Delisle
I’ve been converting my ST4i workshop from Arduino to Node.js/Raspberry Pi and one of limitations is a lack of built-in PWM pins. PWM or Pulse Width Modulation can be used to fade LEDs up and down rather than just turn them on and off. If you’re new to PWM, here’s a full explanation at Sparkfun. […]
As part of the preparation for my upcoming workshops (last two tickets left!) , I’ve been working on writing Node.js code to drive various bits of hardware that are included in the free kit that comes with the course. So I’ve made my first ever npm package! And it drives cute LED displays running on […]
Today I wanted to get this ultra-thin LED matrix working with Raspberry Pi in NodeJS as part of my work on my new ST4i workshop. The SeeedStudio Ultrathin Red LED matrix. It’s such a nice bright matrix, I really love it, but they’re a little weird to work with. They use the HUB75 protocol which […]