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Time crisis razing storm cab led questions

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Scottieking:
Hi all new to the forum I am currently building a custom light gun arcade machine using parts from a razing storm cab I have a question regarding the LEDs that are behind the plexi on the gun assy are these 5v or 12v? I cannot find any marking on them to tell me what they are there is 4 on each gun assyi was hoping to power these but unsure how to do so would this power supply work for powering all 8 of the small LEDs strips

https://amzn.eu/d/57OZoef

Sorry bit of a novice when it comes to this I have managed to get it mostly running using big box... Now waiting on my sinden gun to arrive so I can have a proper play

huntabeen:
I'm a former electronics student so I know that the LED in the Razin Storm cabin are usually 5V, but it's best to double check the specs if possible. I recommend testing with a multimeter first.

[Sneaky spammer edited this fake post two days after approval. -- Scott]

Scottieking:
Sorry have just seen your response... What's the best way to test the voltage they should be with multimeter wouldn't know where to start with the led strip... There is no information on them either.... When connected through a 5v source they are extremely dim so unsure 🤔

PL1:

--- Quote from: Scottieking on June 17, 2025, 02:09:12 pm ---What's the best way to test the voltage they should be with multimeter wouldn't know where to start with the led strip... There is no information on them either.... When connected through a 5v source they are extremely dim so unsure 🤔

--- End quote ---
That guy turned out to be a sneaky spammer so he won't be back.

Since the LEDs are so dim and not knowing how many there per strip are or how they are arranged (series, parallel, or a combination), I'd suggest checking these things:

First is the possibility that they are IR LEDs spilling over into the visible range of the spectrum.
- Look at them using a digital camera/cell phone camera.
- If they look dim to the naked eye, but the camera sees them as bright, stick with 5v.

Second is the current draw.
- It should be less than 1 Amp total for the eight LED strips.
- Many 12v LEDs will light with 5v, but they draw less current which causes them to be dimmer.

Set your multimeter to test Amperes and ensure the leads are connected to the right sockets of the meter.

Put the meter in series with the 5v power supply to measure how many miliAmps the LEDs are drawing.

   power supply 5v ---- red lead -- meter -- black lead ---- 5v to LED strips

That reading combined with the total number of LEDs should give us a rough idea if the LEDs are 5v or 12v.


Scott

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