Eight-function multi-pattern lantern chain circuit using SH803

It uses the SH803 pattern flash integrated circuit , which stores eight programs and a variety of dimming and
dimming speeds. You can select a program by triggering the 9-pin of the control
terminal via the button SB. The operation is very convenient.     The operating voltage of SH803 is 3~5V, with a typical value of 4.SV. It has eight program modes and multiple dimming and dimming speeds , which can create a variety of flash effects
such as cyclic beating, rolling waves, chasing, flashing, fading in and out, rapid flashing, full brightness, etc.