CPU
32-bit high-performance CPU with DSP instructions
Flexible GPIO pins with programmable pull-up and pull-down resistors
Support GPIO wake-up or interruption
Supports FLAC format decoding/APE format decoding
Bluetooth radio
Compliant with Bluetooth 5.0 and BLE specifications (number: 115952)
TX output power 2dbin typical value
RT sensitivity -90.5dbm@basicrate
Audio interface
Audio codec with 16 bit stereo DAC and dual channel 16 bit ADC
Support flexible audio equalizer adjustment
Four channel stereo analog multiplexer
Dual channel microphone amplifier input
High performance stereo audio analog-to-digital converter with a signal-to-noise ratio of 90dB
Peripheral device interface
Three 32-bit timers
Supports capture and pulse width modulation modes
Watchdog
Three full duplex UARTs
05-18
Usage of LED Bluetooth audio system
The small and exquisite LED Bluetooth speaker is not only stylish but also convenient to carry. It is a good choice for external speakers on mobile phones, so how to use it?How to use LED Bluetooth so
05-18
What are the advantages of LED Bluetooth sound system
Most of them are used for wireless Bluetooth mini speakers on mobile phones. The appearance is classified as a practical speaker for home use. Bluetooth speakers are a bit compact, beautiful, and have