Circuit diagram of gradually sounding sleep wake-up

JoyLED outdoor LED display is 50% lighter than traditional Led Advertising Panel, which saves transportation and labor cost. 

Patented light-blocking design  of JoyLED outdoor fixed LED screen prevents light leakage to the front. Led Display Modules support for front and rear maintenance. The handle design brings convenience to LED panel lifting. Great heat dissipation and IP65 protection grade for JoyLED Outdoor Fixed LED Display. Front Maitenance Illustration for LED display

Outdoor Fixed Led Display

Outdoor Fixed LED Display

Large Led Display,Led Video Panels,Led Display Board ,Led Fixed Outdoor Display

Shenzhen Joy LED Display Co., Ltd. , https://www.joe-led.com