For transit-bound people, the NextBus service is a tremendous convenience. Knowing when a bus is due means less standing out in the rain…one can use that time inside to get a little extra work done, or finish that cup of coffee. In this tutorial we'll build a handy desk-top or wall-mount countdown display that lets you know when the next bus or train is on the way!
How do you make a pair of Macetech RGB Neopixel LED Shades even better? Custom hardware, sensors, and bluetooth from Adafruit of course! Read on to learn how to turn a pair of "Hacker Edition" Macetech Shades into fully controllable "smart shades" with the Adafruit Bluefruit app for iOS and Android and some clever Arduino programming!
The IS31FL3731 will let you get back to that classic LED matrix look, with a nice upgrade! This I2C LED driver chip has the ability to PWM each individual LED in a 16x9 grid so you can have beautiful LED lighting effects, without a lot of pin twiddling. Simply tell the chip which LED on the grid you want lit, and what brightness and it's all taken care of for you.
Bring some delightful 8-bit flair to your Christmas tree (or any other holiday foliage) with this Super Mario star power-up, the Starduino! 3D print the custom-designed model, made to lovingly nestle a 16 LED NeoPixel ring and Arduino Gemma in its belly. Then, program the GEMMA with a super fancy blinky pattern of goodness and light.