PineBuds Pro

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The PineBuds Pro are free and open source ANC TWS Earbuds capable of running custom-built open operating systems. Some of the notable features include their light weight, 3 Microphones, ANC (Active Noise Cancellation), ENC (Environment Noise Cancellation) and high fidelity 6mm speaker. It is a fully community-driven side-project which anyone can contribute to, allowing you to keep control of your device.

The PineBuds Pro

Software releases

Firmware Images Build

SDK Release

SoC and Memory Specification

 

SoC Architecture

    • CMOS Single-chip Fully-integrated RF, PMU, Audio CODEC and Cortex-M4F CPU
    • 4MB Serial Flash On-chip for Custom Program
    • Internal ROM 448KB for critical constants and code
    • Internal SRAM 992KB for critical data and code
  • BT Features:
    • Bluetooth 5.2 dual-mode compliant
  • Audio Features:
    • Support BES Intelligent Bluetooth Retransmission (IBRT)
    • Support FF/Hybrid ANC
    • Dual MICs noise reduction
    • Echo Cancellation
    • Support low power voice activity detection
    • Multi-band EQ and Bass enhancement
    • Support Active Crossover
    • Support TWS
    • HiFi Stereo Audio DAC: 120dB SNR, 110dB DNR
    • HiFi Stereo Audio ADC: 100dB SNR

²* Sample rates from 8 kHz to 384 kHz

    • Support dual/single Mic noise suppression
    • Support ambient awareness
    • Support talk through
    • 24-bit audio processing
  • PMU Features
    • 3.1V-5.5V Input for VBAT
    • Internal LPO for low power mode.
    • DCXO with internal oscillator circuit
    • Internal temperature sensor

Information, Schematics and Certifications

Datasheets for Components and Peripherals