: Features a blue LED that flashes during pairing and remains solid once a connection is established. Common Project Applications DIY Bluetooth Speakers
Designed to run on 3.3V to 4.2V , making it compatible with standard lithium-polymer batteries. Common Applications User’s Manual - FCC Report Bk-m33-bt-v2.pcb
The is a multifunctional Bluetooth audio receiver board widely used in budget-friendly portable speakers and DIY audio projects. This compact module acts as the "brain" of a wireless speaker, integrating audio decoding, power management, and wireless connectivity into a single layout. Key Features and Specifications : Features a blue LED that flashes during
and supplementary solder points (L, R, AGND) for direct connection to power amplifier modules or headphones. Performance SNR (Signal-to-Noise Ratio) Connectivity : Supports major Bluetooth profiles including A2DP, AVCTP, AVDTP, AVRCP, and HFP Indicators This compact module acts as the "brain" of
Bluetooth Class2 operation (up to 10 meters range). Radio includes integrated balun 5-band fully configurable EQ. FCC Report
When working with this PCB, identify the following common connection points:
Bluetooth 5.0 (standard for V2 models) for wireless audio streaming.
