Yet another pin using an ATtiny.
Yet another Nyan Cat board with ATtiny85. This time using rechargeable battery and WS2812. <3
3D-printed Pikachu necklace with OLED display, Digispark and rechargeable battery. Custom your own animations with Arduino.
The I used what I had at home version of Adafruit's BMO. Using digispark board, LED matrix, buzzer with rechargeable battery.