ESP32-S3 for real-time 4-channel TDM acquisition + tachometer + FFT + Wi-Fi?

azaroual
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Joined: Wed Mar 11, 2026 2:17 am

ESP32-S3 for real-time 4-channel TDM acquisition + tachometer + FFT + Wi-Fi?

Postby azaroual » Wed Mar 11, 2026 2:34 am

Hello,
I am evaluating ESP32-S3 for a project with 4 synchronous channels at 25.6 kSPS/channel using TLV320ADC6140 in TDM mode, plus a synchronized tachometer input, real-time FFT, buffering, and Wi-Fi transmission.
I know the device supports I2S/TDM and DSP, but I would like feedback from engineers who have used it in similar real-time systems.
Is this architecture robust in practice, or are there important limitations regarding timing, DMA, buffering, or Wi-Fi interaction with acquisition?
Thank you.

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