Arduino breakout board for the Waveshare's Core51822 Bluetooth module based on Nordic's nRF51 SoC.
This board now got it's own repository: https://github.com/interoberlin/nrfduino
The Waveshare Core51822 module controls two RGB LED strips
A little board with transistors to control a strip of RGB LEDs
See also the demonstration video: https://www.youtube.com/watch?v=0xwwlhRyiOM
A board to experiment with small color LEDs; use with a microcontroller
See also the demonstration video: https://www.youtube.com/watch?v=w83osOTgDeY