Click on the following link for product video demo presentation. https://youtu.be/Upg0WNkdcGM
photo interrupter module and a digital interface, built in 13 led build a simple circuit to produce.photo interrupter warning lamp
it comes with digital interfaces of the led, the light blocking access number 3 sensor interfaces,sensing when the light interrupter
device senses a key signal, led lights, otherwise off. |