ESP8266 based animated APA102 bulbs.
v4.1:
- Added missing silkscreen
- Switched from EBC to BEC NPN transistor, to match S8050 part.
- Changed C7/C8/C10 footprints from 0603->0805
- Reduced GND pad size of U4 (3.3V LDO)
v4:
- Reworked inter-pcb connections to minimize gap between leds.
- Changed APA102 -> GPIO pin mapping.
- Cost optimized board to fit within 10x10cm envelope.