Simple Helmet Speaker System

MoeSizzlac

RMO
405th Regiment Officer
Hello all! Just a quick tutorial to make a speaker system for your helmet. Nothing fancy/no programming.

Things you will need:
3 AAA Battery Holder
One 4.7M ohm 1/4watt resistor
One Microphone Amplifier
One Sound Amplifier
One Speaker
wire and solder supplies

Step 1: Wire up the speaker. Pretty simple, only 2 wires. Nothing to it.
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Step 2: wire up the microphone amplifier. 1 wire is for 5v, 1 ground, and one is out. Out get's the 4.7M Resistor.

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Step 3, wire up the rest. Please feel free to use my super awesome diagram below:

20200209_135936AAA.jpg

Yellow is data, black and green are ground, Red is power, and lavender is the positive from the speaker.

Here is a wiring Diagram from MissBoof to help:

MissBoof-SPEAKERSYSTEM.png



Step 4 Fit it into your helmet:
Please note that both the mic amplifier and speaker amplifier have adjustment knobs. I find that the mic adjustment was fine while the speaker knob (the one in the picture below) needs tweaking.

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I would get a feedback because the speaker was too close to the mic so I had to adjust until it was fine.

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And finally, my result.

 

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Excellent and concise tutorial work! Fine job all around, this is invaluable information for any member to have, as we all have the WORST hearing in our suits. Adding a amplifier set up to my current suits and colleagues has not only turned heads but made every con more enjoyable as we can all hold a conversation!
 
Awesome tut and vid test!!!! Thank you MoeSizzlac, definitely bookmarking this. Where and how did you hook up the on/off switch?

The power switch is a latching switch that I placed interrupting the positive of the battery and the board. I placed the switch in the ear of the helmet:

20200220_223801.jpg


I put a switch on each side. One side controls the fan, the other controls the speaker. I had to work it into the 3D design along with the battery packs and inlet vent for the fan.
 
I just noticed......MoeSizzlac....a battery pack from Radio Shack?......Really? Isn't that place dead.......What if I had one of those battery banks I use to charge my phone? Could that be adapted? I've seen the newer fan systems have that capability, and plan to use those going forward so I can recharge them and not have to hassle with totting around extra batteries all the time.
 
I just noticed......MoeSizzlac....a battery pack from Radio Shack?......Really? Isn't that place dead.......What if I had one of those battery banks I use to charge my phone? Could that be adapted? I've seen the newer fan systems have that capability, and plan to use those going forward so I can recharge them and not have to hassle with totting around extra batteries all the time.
All the Radio Shacks in my area are gone as well. I think they were bought out by another company and rebranded as The Source.
 
MoeSizzlac - You continue to amaze. I really hope my current project can be 1/10th as cool as some of yours.

Well that might just be the best compliment I've received in quite some time. Thank you.

I just noticed......MoeSizzlac....a battery pack from Radio Shack?......Really? Isn't that place dead.......What if I had one of those battery banks I use to charge my phone? Could that be adapted? I've seen the newer fan systems have that capability, and plan to use those going forward so I can recharge them and not have to hassle with totting around extra batteries all the time.
Whoa whoa whoa! What's with the Shack attack?

Anything putting out 5 volts is appropriate. Each battery type has its pros and cons though. Take my Ironman mask, pro- it is rechargeable. Con- it's not strong enough for a repulsion system to fly with. You see?
 

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