Quantity   Component name
1 × CD4017 Decade Counter http://bit.ly/2SB4Ljc
1 × LM741CN http://bit.ly/2QJXmkw
1 × 5V Relay http://bit.ly/2QOJhSI
1 × Photoresistor http://bit.ly/2QKEx0l
1 × LED Matrix http://bit.ly/2C45Omz
1 × 22 uF Capacitor http://bit.ly/2Gdpkkt
1 × BC546 Transistor http://bit.ly/2UwK9KO
1 × 10k Ohms Potentiometer http://bit.ly/2RRafXf
1 × 9V Battery Snap/Clip http://bit.ly/2QnWket
1 × Breadboard http://bit.ly/2AFJkpQ