Camera OUT - Dry contact

Door Station and Access Control Door Station - Discussion
1

Hello there,

we are having trouble with camera which has to open the garage door.

I tried every possible way to connect a 5V from camera usb port to 5V Relay and no luck.
Where can I get exaples of this kind of circuit.

I need the solution ASAP.

Thank you!

2

mx rs 232 box than you have asap a solution

3

We managed it, but are there any examples of simple relay circuit?

4

My new solution / simple relay circuit:

  1. 5V usb cable from the camera P7 to the module.
  2. This 5V relay module. I use this one: https://www.conrad.com/p/makerfactory-relay-board-5-v-2134128
  3. 500 ohm resistor

Everything toghether costs around 10€.