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MH-M38 Bluetooth Audio Receiver module
MH-M38 Bluetooth audio receiver module for wireless stereo audio streaming—ideal for DIY speakers and audio projects.
The MH-M38 Bluetooth Audio Receiver Module is a compact and high-quality wireless audio module designed to add Bluetooth audio functionality to speakers, amplifiers, and DIY audio systems. It supports Bluetooth audio streaming (A2DP), allowing you to play music wirelessly from smartphones, tablets, laptops, and other Bluetooth-enabled devices.
The module features a built-in audio decoder and DAC, providing clear stereo audio output with low distortion and stable performance. It operates on low power and offers simple wiring for left, right, and ground audio outputs, making it easy to integrate into custom audio projects.
Ideal for DIY Bluetooth speakers, car audio upgrades, home audio systems, and portable audio devices, the MH-M38 module delivers reliable wireless audio connectivity in a compact form factor.

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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.

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