/diy/ - Do It Yourself

I really need some advice.

What you see here is a garage safety sensor (receiver) that doesn't work. I can't seem to figure out why. I can power it with a 5V (from my arudino), but the LED doesn't even light up even though there is a voltage drop across the LED. However, other than that, I think the circuit is kinda working. the IR receiver voltage changes when I try to use my TV remote against it. I originally thought the caps might have died, so I replaced it a while ago, but still nothing.