Introduction: DIY Arduino Color Sensor

How to make a DIY Arduino Color Sensor

Step 1: Parts

4 Leds (Green,Blue,Red,Yellow)

4 220ohm resistor


1 10k resistor

Female Pins


Step 2: Cut the PCB

Shape your design to the PCB. Then cut it. I used 3.5cm by 2.5cm

Step 3: Start Soldering Part 1

Start Soldering the Leds like the schematic.

Step 4: Soldering Part 2

Solder the LDR with the 10k resistor and the Pins like the schematic.

Step 5: Connect It and Upload the Code

Connect the Pins like the Schematic and Upload the Code.

Step 6: Done!!!

After you have Upload the code, see how your DIY sensor finds the colours.If a colour matches,the led colour will flash 3 times.Hope you enjoy!!

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