A simple development board built with ESP32, equipped with a 0.49-inch OLED screen, dual microphones, and circuits to maintain the operation of basic components. It can remotely control home appliances by flashing the voice assistant's firmware. All capacitors, resistors and inductors are packaged in 0805, all pins of the ESP32 chip are lead out, and the voice assistant firmware and MicroPython program are in the network disk. Because the file is too large, it has been uploaded to the network disk. Please download it yourself if needed. Link: https://pan.baidu.com/s/1V7KbKRrsgUe4YVZWBsuHMA extraction code: 7nn7
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