The list of features the tiny picoAUDIO board packs is impressive, starting with a 3.7 watt stereo amplifier ... based on an ESP32 to have, such as I2S stereo DAC, an I2S microphone input, I2C ...
along with a low-cost condenser microphone with a transistor-based preamplifier and an LM386 op-amp for the speaker circuit. In the ESP32 module the built-in DAC and ADC are used for audio in and ...
The Sensy32 Board is a compact sensor platform powered by Espressif’s flagship ESP32-S3 WiFi and Bluetooth microcontroller.
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