MuPiHAT creates all-in-one Raspberry Pi expansion boards featuring audio amplification, battery management, and power control for DIY portable music players.
MuPiHAT specializes in hardware hardware-attached-on-top (HAT) solutions for the Raspberry Pi ecosystem. Their flagship product, the MuPiHAT, is an all-in-one expansion board designed to simplify the creation of battery-powered audio devices, such as the popular MuPiBox and other DIY media players. Integrating a stereo Class-D audio amplifier, a fast Li-ion battery charger, and an intelligent on/off power controller, MuPiHAT eliminates the need for multiple separate components.
The brand focuses on the maker community, providing compact and efficient hardware that handles power management (UPS), battery safety, and audio output in a single footprint. Designed to be plug-and-play, MuPiHAT boards allow hobbyists to easily build robust, portable multimedia systems using standard Raspberry Pi computers.
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To power on the Raspberry Pi, push the button connected to Connector J1. For a hard switch-off, press and hold the button for more than 6 seconds.
Yes, you can connect 4 or 8 ohm speakers to the Speaker connector (J8) on the MuPiHAT for audio output.
It combines a stereo audio amplifier, a fast battery charger for Li-ion batteries, and an uniterrupted power supply (UPS) controller into a single board (HAT).
The input current is limited to 2.2A by hardware configuration to operate safely without an additional heat sink.
You can connect an LED to Connector J15 (GPIO13) to serve as a status indicator for the device.