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bassfly-uhat-board-rpi
bassfly-uhat-board-rpi
bassfly-uhat-board-rpi
bassfly-uhat-board-rpi

BassFly uHat

49.00 

Created by Dario Murgia for the Volumio Community.

BassFly-uHAT is a Hi-Fi soundcard for Raspberry Pi, ASUS TinkerBoard and other SBCs with compatible GPIO.

Together with Volumio, BassFly-uHAT will turn your Raspberry Pi into a tiny but powerful digital radio.

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PRODUCT DESCRIPTION


Created by Dario Murgia for the Volumio Community.

BassFly-uHAT is a Hi-Fi soundcard for Raspberry Pi, ASUS ThinkerBoard and other SBCs with compatible GPIO.

 

In the small Raspberry Pi Zero uHAT form-factor, it features two digital power amplifiers with DSP, one OLED display, one RGB LED and four tactile buttons.

Together with Volumio, BassFly-uHAT will turn your Raspberry Pi into a tiny but powerful digital radio.

bassfly_uhat-rpi

No soldering is required, it’s simple to install and use and suitable from beginners to professionals.

For advanced users, two digital microphone modules can be added for enabling voice-control capabilities to the system.

The heart of BassFly-uHAT is the power amplifier TFA9879 from NXP Semiconductors. This tiny but powerful device uses the I2S interface for its audio input, which reduces CPU load on the Raspberry Pi compared to USB solutions.

Furthermore, it has an embedded DSP that can be used for hardware volume control, 5-band equalizer and dynamic range compressor.

Each amplifier can deliver up to 2.5 W RMS output with 4 Ohm loudspeaker, they are powered directly from the GPIO header so no extra cables or power supplies are required.

 

The 0.96″ OLED display has a resolution of 128×64 pixel and can be used to display an information screen, including a music frequency spectrum.

Four tactile buttons are connected to GPIOs and can be very handy for playback control (play/pause, prev/next, vol-up/vol-down), for safe shutdown or for launching a custom script when pressed.

The RGB LED can be used for SD-card activity, for playback status indicator or for color-based vu-meter.

 

The BassFly design is fully open source, schematics and layout are available for makers and diy-enthusiasts. 

FEATURES AND TECH SPECS


– 2x TFA9879 / TFA8200 amplifier from NXP Semiconductors

    Closed loop amplifier

    Sample Frequency: 8 kHz to 96 kHz

    Output Power: 1.6 W with 8Ohm speaker, 2.5 W with 4Ohm speaker

    THD+N: 1%

    Digital input interface for high RF immunity

    Phase-Locked Loop (PLL); no system clock required

    ‘Pop noise’ free at power-up/power down an during sample rate switching

    Digital volume control (−70 dB to +24 dB)

    Digital parametric 5-band equalizer

    Bass and treble control (−18 dB to +18 dB)

    Dynamic range compressor

– 1x 0.96″ I2C OLED display

     Size: 096″

     Resolution: 128X64

     Controller: SSD1306

     Interface: I2C

– 4x Tactile button with cap

– 1x RGB LED

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