Lighting effects on four LEDs.The mode of their operation can be selected using the buttons.It can be the glow of LEDs sequentially or other effects.Made on a 7400 and 74ls145 chip
A rectangular signal generator with an adjustable frequency from about 5 Hz to 110 Ghz is assembled on the 7400 chip.Four reset D triggers are assembled on the 74LS175 chip.The signal from the generator goes to the input of the first trigger and it turns off and on, and then the signal goes to the other triggers.In this way, the LEDs are switched, which can be changed with the buttons
