WT2605B03-B Audio Bluetooth Module

Brief Introduction

WT2605B03-B audio Bluetooth module is an intelligent wireless audio data transmission and MP3 audio playback product independently developed by Shenzhen Waytronic. It is a low-cost and high-efficiency recording scheme with the characteristics of high integration, small size, low power consumption and stable transmission. Only a few components can be added to the periphery of the module to realize wireless reception of high-quality audio. Self-drive-free mode, no complicated bottom operation, convenient use, stability and reliability are the biggest features of this product. In addition, the chip is also a deeply customized product, a low-cost solution specially developed for the field of recording and playing.

WT2605B03-B has three main features: MP3 function, dual-mode Bluetooth function and UART serial port control. With built-in Flash.

Features

1. Audio codec supports 16-bit stereo DAC and two-channel 16-bit ADC.
2. High-performance stereo, ADC with 90dB signal-to-noise ratio.
3. Three sets of multifunctional 32-bit timers that support capture and PWM modes.
4. USB interface realizes the automatic switching between the host (USB HID) and the slave (USB card reader) and the USB sound card function.
5. SPI-FLASH is stored as a fixed sound source area, and the contents can be changed by using U disk.
6. The standard is 32M Flash, and the maximum flash is 128M. It supports FAT file system and MP3 format voice.
7. Support USB flash drive offline upgrade program.
8. Dual-mode Bluetooth function conforms to Bluetooth 5.0 and BLE specifications, with audio Bluetooth distance up to 20 meters and transparent Bluetooth effective distance of 7 meters.
9. Support customized special functions: key control mode, touch control mode, etc.

WT2605B03-B Pin Introduction