Building a quality USB-C microphone

2021-11-03

[public] 253K views, 305K likes, 192 dislikes audio only

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Quality audio for cheap? Sounds good to me! Also, don't forget you can get one free share valued up to £200 by creating a Freetrade account at: https://freetrade.io/diyperks

Official forum for further development/help/discussion: https://forum.diyperks.com/microphones/usb-c-microphone-official-topic/

Parts list:

Disclosure: These are affiliate links. If you click them and make a purchase from the various merchants they link to, DIY Perks may earn a commission. Affiliate programs and affiliations include, but are not limited to the eBay Partner Network and Amazon Associates.

PDF template and schematic: https://drive.google.com/drive/folders/1jQY1SycV0OChw9_9w9qhMVCW47YFHgBu?usp=sharing

Want to build an XLR version? Try one of these: https://www.jlielectronics.com/diy-accessories/opa-alice-single-channel/

Microphone capsule UK/EU/Global: https://micbooster.com/jli-microphones/262-jli2555.html

Micropone USA: https://www.jlielectronics.com/microphone-capsules/jli-2555bxz3-gp/

eBay UK: https://ebay.us/AZW5xw

Transistor US: https://ebay.us/3m3kyV

Transistor UK: https://ebay.us/KYIbZB

THAT1512: https://ebay.us/wvJUzJ

USB Audio interface: https://amzn.to/3k43hy7

USB C breakout board: https://amzn.to/3EJa0Fs

7mm brass tube Amazon: https://amzn.to/3BFJ086

7mm brass tube eBay: https://ebay.us/pZfjF7

6mm brass rod Amazon: https://amzn.to/3mEPDDr

6mm brass rod eBay: https://ebay.us/LAdYfs

3mm brass rods Amazon: https://amzn.to/3bCP9Hu

3mm brass rods eBay: https://ebay.us/32ofym

72mm 1.5mm nitrile o-rings Amazon: https://amzn.to/3q6fvtV

72mm 1.5mm nitrile o-rings eBay: https://ebay.us/y37Lmz

Brass mesh: https://amzn.to/3mG1Zet

15v +- isolator: https://ebay.us/YIIMNe

Cheaper version (but should work): https://ebay.us/Bwgafo or https://uk.rs-online.com/web/p/isolated-dc-dc-converters/2233683

For the resistors, capacitors, wire, stripboard etc: https://www.bitsbox.co.uk/

USB C info: /youtube/video/V-vFtiDYiIw

Please email any comments about the circuit here: DIYPerks at gmail.com

Audio Tests: currently recording them, check back later

I've had may folk ask if I hold the design copyright to this, so I'd just like to clarify that yes, I do. This is targeted squarely at companies: you'll need to get in touch if you intend to copy my design to sell. For individuals reading this, making one for yourself (or a couple of friends) is fine of course, and encouraged! I just want to let companies know that they can't steal my design for profit without prior arrangement... it's happened before 😄

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