SP602E 4 Output SPI Channel Music Controller HW-687 HC-12 module has a microcontroller

HC-12 module has a microcontroller that actually doesn€š¬€ž¢t have to be programmed by the user

10 Weight of each packet 15g Color brown

They can drive 15 LS-TTL loads at a time

240V AC /40A NC (Normal Close) Current  240V AC /30A

and door phone

SP602E 4 Output SPI Channel Music Controller HW-687 HC-12 module has a microcontrollerSP602E 4 output SPI channel Music Controller that works with a Bluetooth APP for WS2811, WS2812B, WS2813, WS2815, and WS2818 Addressable LED Strips. It supports both RF remote control and mobile Applications. It supports four various lighting effects, making it appropriate for many different events and catering to a variety of consumer preferences. also supports widely available single wire LED driver ICs. Multi parameter changeable built in effects