This circuit is Color sensor without using Arduino or any other microcontroller
Using LDR, LEDs, IC 4017 and IC LM358.
You can download the Gerber file of this PCB from here:
Parts List:
IC 4017
IC LM358
Potentiometer 10K
Potentiometer 5K (3pcs)
Red LED (2pcs)
Green LED (2pcs)
BlueLED (2pcs)
LDR
Resistor 100K (3pcs)
Resistor 100 ohm (2pcs)
Resistor 1M
Resistor 5.1K
Ceramic capacitor 100nF
Circuit:
Video:
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