Difference between ESP32-A1S and other modules?

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JustNopIt
Posts: 22
Joined: Wed Jul 13, 2016 10:14 am

Difference between ESP32-A1S and other modules?

Postby JustNopIt » Wed Sep 22, 2021 8:39 am

Does the ESP32-A1S have any additional chips under the hood? It claims to have audio pins like "LINEINR", "LINEINL", "MIC1P" and "MIC1N". Are these pins just normal ADC pins?

Is there anything else special about the ESP32-A1S compared to the ESP32­-WROOM­-32 or similar modules?

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WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: Difference between ESP32-A1S and other modules?

Postby WiFive » Wed Sep 22, 2021 10:53 pm

https://docs.ai-thinker.com/_media/esp3 ... cation.pdf
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