what can I replace a relay with

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D3ADZ0NE

Joined Apr 5, 2024
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Hi all,
what can I use to replace the relay in the following circuit, and how can I extend it to connect 5 more lamps total?
Each lamp will receive it's own signal to turn on and will need it's own optocoupler.
I want to use only analog compoScreenshot 2024-04-08 221514.pngnents and basic ICs.
 
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