DIY TIPS : Digital controlled resistor with Arduino nano / No use digital potentionmeter

Опубликовано: 27 Июнь 2026
на канале: HAGIWO

1,608

I came up with a digitally controlled resistor for my next project.
It can be used with an Arduino AD converter as a VCA.
In this video, I am testing the attenuation of an external audio input by the voltage divider of the digital control resistor.

working documents ( source code & schematics )
https://note.com/solder_state/n/nf547...

Please support me to continue projects.
In patreon you will find content about my background , technical information and CAD data.
  / hagiwo

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Repository of HAGIWO's DIY Modular Synth
https://note.com/solder_state/n/n54e0...

See Instagram and Twitter for the development status of my next module.
Instagram
  / hagiwo_1

Twitter
  / hagiwo1
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