Sound activated lights

Thread Starter

Louie Pollard

Joined Sep 7, 2015
5
Hello techy people! I have a dilemma/task for you to help me with:) I dont know much about complex circuitry but I know the basics. So, heres what I want: im building a drum kit & I want to put LED strip lights in each drum & I want the lights to flash when hit. Sounds simple, but theres other things I want... Here are the specifics:
A box with 4 options & an on off switch, idealy powered by batteries.
Option 1: the lights in the drums light up when hit & slowly fade
Option 2: the lights fade up (rather than snaping on) & then fade out like in option 1
Option 3: lights change colour when hit
Option 4: a quick flash
Those are the 4 things I want the lights to do, other things to bare in mind are that I also want The brightness to be controlled by how loud the hit was & I know that a sound activated module is probably the best way to go in terms of triggering the lights
What my main question is, is:
How would I do this?
Can I have a circuit diagram?
Can I have some amazon links for the components?
THANKS FOR ANY HELP!
 

#12

Joined Nov 30, 2010
18,224
Welcome to the world of microprocessors. You just entered it.
You will need to choose a microprocessor family, learn to program in the right language, buy the parts to install the program in your chip, learn how to build hardware interfaces, how to make circuit boards, etc. etc. etc.

I would try PIC because I already speak Basic.
I've heard an Arduino or a Raspberry Pi are easy to work with.
 

Thread Starter

Louie Pollard

Joined Sep 7, 2015
5
Welcome to the world of microprocessors. You just entered it.
You will need to choose a microprocessor family, learn to program in the right language, buy the parts to install the program in your chip, learn how to build hardware interfaces, how to make circuit boards, etc. etc. etc.

I would try PIC because I already speak Basic.
I've heard an Arduino or a Raspberry Pi are easy to work with.
Is there any way I could do it without any programming? I need to keep it cheep!
 

blocco a spirale

Joined Jun 18, 2008
1,546
Hello techy people! I have a dilemma/task for you to help me with:) I dont know much about complex circuitry but I know the basics. So, heres what I want: im building a drum kit & I want to put LED strip lights in each drum & I want the lights to flash when hit. Sounds simple, but theres other things I want... Here are the specifics:
A box with 4 options & an on off switch, idealy powered by batteries.
Option 1: the lights in the drums light up when hit & slowly fade
Option 2: the lights fade up (rather than snaping on) & then fade out like in option 1
Option 3: lights change colour when hit
Option 4: a quick flash
Those are the 4 things I want the lights to do, other things to bare in mind are that I also want The brightness to be controlled by how loud the hit was & I know that a sound activated module is probably the best way to go in terms of triggering the lights
What my main question is, is:
How would I do this?
Can I have a circuit diagram?
Can I have some amazon links for the components?
THANKS FOR ANY HELP!
This isn't a free design and component sourcing service. Furthermore, based on your question, you would need an enormous amount of support and probably someone to build it for you as well.

A micro-controller is perhaps the best way to achieve this but first you have to learn how to program one. A micro-controller is also the cheapest way.

If you follow the non-micro route, consider how to convert the drum impact into an electrical pulse so that you can trigger the lighting effect. Then tackle the circuitry for each of your 4 lighting requirements one at a time. Start with 4, then 1, 2 & 3.
 
Last edited:

Bernard

Joined Aug 7, 2008
5,784
How many drums?
How many colors?
Do all drums operate from one controller?
How many LED's per drum?

Box # 2: Light will be offset from pulse. acceptable?
No MP, micro processor, just 555's, OP Amp? & small parts.
How are you fixed for test equipment?
 

Thread Starter

Louie Pollard

Joined Sep 7, 2015
5
How many drums?
How many colors?
Do all drums operate from one controller?
How many LED's per drum?

Box # 2: Light will be offset from pulse. acceptable?
No MP, micro processor, just 555's, OP Amp? & small parts.
How are you fixed for test equipment?
5 drums, 2 led strips per drum & potentially (ideally) 1 controller
 

Bernard

Joined Aug 7, 2008
5,784
Post # 6, last paragraph is a good place to start. The following ckt. gives a 10 ms flash per strike. The transducer is based on a 20 mm piezo disc with a small weight ( dead LR44 cell ) glued to center. Output is a 3 V peak to peak trashey damped oscillation. A positive adjustable bias is applied to pin 2 which is set just more + than 1/3 Vcc so a negative going signal will trigger 555. Output is rectified, D2 and lightly filtered, C3, and fed back to pin 2 via D1 to inhibit extraneous following pulses. On breadboard 555 drives only one bright LED, but can drive a power FET which can light many LED's.Drum Pulser 00000.jpg
 
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