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Danno72

Arduino controlled Havok

Hi

Anyone on here have experience with Arduino controlled electric Nerfs ie a Havok?

I have  an Arduino controlling the firing of the Havok, but I am having issues with the circuit.

I have a circuit which finally controls a TIP122 darlington which controls the Havok, but it runs really slowly. If I short the connections (bypassing the TIP122) it fires like it should so I know the issue is the TIP122

Should I go with a FET instead?
Boff

Yeah, use an IRF44ZN N Channel MOSFET instead.
Danno72

Cheers Boff

EDIT


Post merge. Please don't double post. Use the edit button, it's your friend - Boff




Boff

On a similar note, do you know who's good for small run PCBs?
Boff

No idea, I'm afraid. We just make stuff in house by soldering it all together. Generally the stuff we make doesn't require things like DIPs so we can just wire it to TO-220 package legs and tuck it away in a blaster.
Danno72

Thats what I've done in the past, but I'm not very good at making protoboards very space effective!

I'll just wedge a nano in there somewhere and make it fit.

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