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TXD/RXD/GND communication
A0 – A3 (4-bit input A)
Output Type: Push-Pull
AD button control mode
GND: Ground (common ground connection)
Wave Shield (Play Sound with Arduino) Raspberry Pi 4 Camera 1080p 720p Camera module for Raspberry pi 4B 5Mp TXD/RXD/GND communicationAdding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduino that solves this problem. It can play up to 22KHz, 12bit uncompressed audio files of any length. It's low cost and has an onboard DAC, filter and op amp for high quality output. Audio files are read off of an SD MMC cardVolume can be controlled with the onboard thumbwheel potentiometer. The shield comes with an Arduino library for easy use; simply
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