Code‑and.Coffee

Welcome.

Tags

Recent posts

MIDI Controlled WS2812 RGB LEDs

WS2812 LEDs Out of boredom I hooked up a strip of WS2812 RGB LEDs to the MIDI output of my Korg Electribe.

Read more...

Rotary Encoder with RGB LED Ring - Front Panel

Panel thumbnail Just a quick update on the acrylic front panels.
See the previous post for details.

Read more...

Rotary Encoder with RGB LED Ring

PCB Thumbnail I like rotary encoders, but I hate that there is no direct feedback or indicator showing the position like with potentiometers. This post is about a custom PCB for rotary encoders with RGB LED rings I am working on.

Read more...

A collaborative drawing canvas with node.js and socket.io

In this post I’ll explain how to build a very basic node.js server and client that receives lines drawn on a canvas in the browser and sends them to the other connected clients so everyone can see and scribble the same doodle.

Read more...