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Mini recorder

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Dan
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Last seen: 7 months 2 weeks ago
Joined: 09/08/2018 - 18:57
Mini recorder

I ordered  the material to build a micro voice recorder with playback. After soldering a few wires it works fine except the volume is very low. What steps would I take or what would I need to make the volume louder?

 

Thanks

Dan

Nishit
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Last seen: 3 months 5 days ago
Joined: 19/12/2018 - 10:59
can try a pre-amplifier

can try a pre-amplifier circuit like the one here - engineersgarage.com/contribution/designing-pre-amplifier-using-lm358-99