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Grove - LED String Light is a LED Driver.work voltage of module is 5V/3V3,But String light is working on 12V,so this module is base on AIC1896, which is a current mode step up DC/DC Converter. Grove - LED String Light is equipped a 5M RGB LED String Light,you can use it to dress Christmas tree and light you Party.
50 RGB LEDs
JST 2.0 Interface
The Grove - LED String Light module is essentially an LED driver for the LED string lights included in the pack. Working voltage of the module is 3.3V/5V.
Hi there~ Unfortunately docs for GrovePi+ is not availble now. Sorry.
Yes, you can: connect it to a digital port on the GrovePi+ (or GrovePi ?) board supporting PWM, then use the instruction analogWrite(led,i), where i is a value between 0 and 255 and where "led" is the digital port (eg. 5) where you connected it (note that not all digital ports of the GroevPi+ support PWM).
Depending on the value of i, it the LED string will be more or less enlighted. So to make it fade in or out, simply use a loop where the value of i changes progressively, and don't forget to put a delay if you want to have time to notice the difference ;)