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This ADKey board with 10 keys can be used to drive your DFPlayer Pro, DFPlayer Mini, or Voice Recorder Module without programming or using various resistors. It offers 20 delicate button caps with comfortable hand feel, easy to be integrated into projects. You can also connect your favorite keys to the board through the welding pad on both sides. In addition, this ADkey board can be used as the ADkey input of a main-controller, by which it could expand 10 keys for your main-board via only one analog port.
Board Overview
