UCS1903 similar with ws2811, it is the three-channel LED drive control circuit, internal integration MCU digital interface, data latches, LED high voltage driver etc. Realize the alone grey scale because through the periphery MCU to control this chip. The cascade connection control realizes the outdoors big screen Bitmap luminous, Product has the excellent performance, and quality is reliable.
PWM can control 256 grey scales, Scan frequency no less than 400 Hz/s