5 LED CHASER USING a TRANSISTOR

MATERIALS USED

1)BC547 TRANSISTORS 5NOS

2)5 LED

3)100 MFARAD CAPACITOR 5

4)220 OHM RESISTOR 5

5)10k RESISTOR 5

6) 9V POWER SUPPLY

FIX 5 TRANSISTORS ON BREADBOARD SUCH THAT THEIS FLAT SIDE FACES AGAINST YOU.

CONNECT BASE OF TRANSISTOR TO 10K RESISTOR AND CONNECT OTHER END OF RESISTOR TO POSITIVE RAIL

CONNECT CATHODE OF EACH LED TO THE COLLECTOR OF EACH TRANSISTOR AS SHOWN IN IMAGE

CONNECT ANODE OF LED LED TO THE 270OHM RESISTOR AND CONNECT OTHER END OF RESISTOR TO POSITIVE RAIL.

CONNECT EMITTER OF TRANSISTOR TO NEGATIVE RAIL.

CONNECT ANODE OF CAPACITOR TO THE EMITTER OF FIRST TRANSISTOR AND CATHODE TO THE BASE OF SECOND TRANSISTOR. CONNECT 5TH CAPACITORS CATHODE TO THE BASE OF FIRST TRANSISTOR.

CONNECT 5V OR 9V POWER SUPPLY