Nowadays, LED effects, animations LEDs, LEDs, etc. walking. In applications such as microchip, atmel, etc.. widely used in microcontrollers CMOS, TTL integrated circuits made ​​with a lot of work still gürüy cost, low error rate and so on. more... Electronics Projects, Walking LEDs Circuit 555 CD4015 "555 timer circuits, analog circuits projects, led projects, simple circuit projects, " Date 2019/08/03