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Digital display for Bus Stop
All of the Crowtail modules have standard 4-pin connectors
Also breakouts for external 32Ω speaker and electret mic if you don't want to use a headphone
Audio on Rock
To enable you to connect and power your sensors
Stereo 20W Class D Audio Amplifier - MAX9744 stem jr Digital display for Bus StopBoost your audio setup with this compact 20W stereo amplifier! This slim and efficient board features a class D amplifier that can drive two channels of 4 8 ohm speakers at 20W each. Simply power it with 5 12V DC through the onboard DC power jack and connect your stereo line level audio source via the 3. 5mm stereo headphone jack for high quality sound. Thanks to its class D design, the amplifier runs cool without the need for heat sinks and operates
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