I am trying to build something to trigger my camera when an infrared beam is broken. I used two kits
infrared beam kit
https://www.kemo-electronic.de/pdf/b216/b216.pdf
relay kit
https://www.kemo-electronic.de/pdf/b197/b197.pdf
I have connected the beam break kit as the control to the relay kit as shown. When I test the beam break, it seems to work. When I interrupt the beam I see the LED on the beam break kit switch on and hear the relay switch state. When I stop interrupting the beam, the LED goes out and the relay switches back.
When I connected a second circuit to the relay s and p (I used a simple 3v battery pack and torch bulb as a test), the LED on the control circuit and the relay both switch on and off rapidly. What could be causing this and how do I fix it? One thought is that the relay is designed to switch a higher voltage and current and I am using it for a low voltage and low current application.
infrared beam kit
https://www.kemo-electronic.de/pdf/b216/b216.pdf
relay kit
https://www.kemo-electronic.de/pdf/b197/b197.pdf
I have connected the beam break kit as the control to the relay kit as shown. When I test the beam break, it seems to work. When I interrupt the beam I see the LED on the beam break kit switch on and hear the relay switch state. When I stop interrupting the beam, the LED goes out and the relay switches back.
When I connected a second circuit to the relay s and p (I used a simple 3v battery pack and torch bulb as a test), the LED on the control circuit and the relay both switch on and off rapidly. What could be causing this and how do I fix it? One thought is that the relay is designed to switch a higher voltage and current and I am using it for a low voltage and low current application.
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