LED Chaser Without IC By Using Transistors Only

This circuit is LED Chaser Without IC By Using Transistors Only.
I explained the circuit in my YouTube video here.

 

Parts list:

Transistors (12pcs)
LED (22pcs)
Capacitor 220uF (2pcs)
Capacitor (680uF)
Resistor 1K (10pcs)
Resistor 2K (10pcs)
Resistor 510R (2pcs)
Resistor 5.6K (2pcs)
Resistor 10R
Resistor 20R
Resistor 33R
Resistor 47R
Resistor 51R
Resistor 68R
Resistor 75R
Resistor 91R
Resistor 100R

Resistor 120R

 

You can download the Gerber file of this PCB from here:
https://www.pcbway.com/project/shareproject/LED_Chaser_Without_IC_By_Using_Transistors_Only.html

Circuit:

 

Video:

categories : circuits,home made projects,LED flasher and chaser,LED projects,PCBWay