Use this Bit to control your circuits with light. The amount of light shining on the sensor will change how your circuit behaves. It's a great way to activate your circuit without hands, and is perfect for alarms!
Free shipping in SG for orders over $50!
Use this Bit to control your circuits with light. The amount of light shining on the sensor will change how your circuit behaves. It's a great way to activate your circuit without hands, and is perfect for alarms!