播放人聲，只需要 MCU！ 不需要外掛任何模組或錄音IC https://medium.com/maker-cup/%E9%8C%84%E6%94%BE%E4%BA%BA%E8%81%B2-%E5%8F%AA%E9%9C%80%E8%A6%81-mcu-51a42e462b13 Record a PCM audio via ADC http://www.instructables.com/id/Arduino-Audio-Input/ Playback PCM data via Arduino https://playground.arduino.cc/Code/PCMAudio https://github.com/damellis/PCM http://playground.arduino.cc/Code/PCMAudio Some project with Record and Playback into SD card http://www.instructables.com/id/Arduino-Mega-Audio-File-logging/ http://www.instructables.com/id/Arduino-playing-wav-files/ SPI RAM 128KB can use with Arduino to save more data in RAM at fastest way http://ceptimus.co.uk/?p=166 https://github.com/ennui2342/arduino-sram https://thearduinoandme.wordpress.com/tutorials/external-sram-23lc1024/ https://www.pjrc.com/teensy/23LC1024.pdf
AnChieh's code 