Audio amplifier module LM386 IC. Audio signal and 5-12VDC in; approx. 2 watts out to a speaker. Cheaper than building your own.
LM386 Audio Amplifier Module
ISD1820 voice board sound recording recorder Playback module on-board microphone
Audio Player SD Card Store Voice Wav Sound Module WTV020-SD WTV020-20SOP
363 total views, 1 views today