8 Leds


 

 

 

 

 

















resistors: 10k, 47k
capacitor: 1µF 16V radial
3mm or 5mm LEDs ×8,
they can be various colours
555 timer IC
4026 counter and display driver IC
DIL sockets for ICs: 8-pin, 16-pin
battery clip for 9V PP3
stripboard: 16 rows × 14 holes



Stripboard Layout




Stripboard layout for 'random' flasher