Flash IC Description: ST-3760D is a versatile, low power, low-cost, diversified portfolio of adjustable brightness can fade colorful LED driver IC dedicated main functions: 1, the working voltage range: 2.5 ~ 5.5volt2, 3 an LED driver outputs 3,1 a pause button to select the port LED 4,1 a manual / automatic change switch to select the port 5 can regulate the speed of fade LED 6, when you select manual mode, you can correspond to the brightness of each LED adjustment potentiometer for regulating changes in light and dark. 7, when you select automatic mode, adjust the brightness of the original manual adjustment potentiometer does not work directly for automatic color change. 8, when in the automatic mode, such as short press the pause button, changes will be made in the corresponding color stop, suspend contacts until then pause, fade into the state.