MINIRADIO V4 I2S MIC MOD
SSTV/WeFax/AudioSpectrumView need an I2S microfone extension in ATS MiniRadio V4. This shows one suitable way to do that mod.
ATS MiniRadio V4 need an I2S microfone INMP441 extension for the SSTV/WeFax/AudioSpectrumView in the latest H.J.Berndt firmware. This shows one tested suitable way to do that mod.
I have documented a sample installation in a V4 MiniRadio, including detailed photos, in the following blog post:
https://peterneufeld.wordpress.com/2026/07/15/miniradio-v4-i2s-mic-mod/
Below are some key photos of my setup:
I have documented a sample installation in a V4 MiniRadio, including detailed photos, in the following blog post:
https://peterneufeld.wordpress.com/2026/07/15/miniradio-v4-i2s-mic-mod/
Below are some key photos of my setup:
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