... controller need power)2. CLK, DAT GND connect to strip (light) CLK, DAT, GND (these are ... strip, first strip end connect to next strip top (DC+ to DC+, CLK to CLK, DAT to DAT, GND to ... GND). In case of voltage drop, need add another wire connect to strip ... , DC+, and GND. The connect the strip to power DC+ and ...