Review on HiLetgo® PAM8403 Digital Amplifier 2 5 5V by Jeffrey Sanders
Works well but power down pin not available
Works great with Microbit to amplify sound samples instead of using headphones. The only problem is that they didn't expose the input contact for trigger control, so you can't use the low-power <1 microamp features for battery-powered applications. Also, a schematic of the board would be nice to let us know what the extra connection between power and ground is for. -1 star for not bringing out the very useful mute and mute pins (although mute isn't really needed as it's really quiet when there's no sound) making it impractical for my battery powered application.
- Home Audio
- Doubtful
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