First, get a counter. Then, get a lifecycle, or whatever triggers this timer to start counting down. Next, hook it up to a wire repeater with a delay of 7 seconds. Then, wire it to the counter so that it increments the counter. Now, back to the counter, set it to have a target of 1. When the target is hit, broadcast “target”. In the same counter, set it to reset when receiving on channel “target”. Now, go to the barrier, and set it to deactivate when receiving on channel “target”.
Hope this helps!
Sorry to be off-topic but…
I can’t believe you’re talking Ghassan. Check bio in a few minutes.