本系统采用的控制器是STM32F103RBT6，通过PWM来控制额定功率为10W的LED灯珠的亮度，输入模块采用ASR M08-A语音控制模块，可以检测识别人的说话，并通过串口输出不同数值，还可以播放储存在SD卡里面的音乐文件。LED使用L298模块驱动，使用学生电源供电。本系统目前可以实现语音识别控制LED的开启与关闭，LED的4档亮度调节，以及音乐播放功能。 MCU:STM32 开发环境:MDK4.73 编程语言:C语言 STM32F103RBT6最小系统（四旋翼飞控板） 语音识别模块 演示视频: 附件包含以下资料: STM32四旋翼飞控板电路图&PCB

STM32F103RBT6设计全双工音频对讲机ALTIUM设计硬件原理图PCB+3DF封装库+单片机软件源码文件，2层板设计，大小为53x58mm，Altium Designer 设计的工程文件，包括完整的原理图及PCB文件+单片机软件源码，可以用Altium(AD)软件打开或修改，可作为你产品设计的参考。集成封器件型号列表： Library Component Count : 33 Name Description ---------------------------------------------------------------------------------------------------- AO3401 CAP Capacitor CRYSTAL Crystal Cap Pol1 Polarized Capacitor (Radial) Cap Pol2 Polarized Capacitor (Axial) Cap Pol3 Polarized Capacitor (Surface Mount) Cap2 Capacitor D Schottky Schottky Diode FB Header 2 Header, 2-Pin Header 3 Header, 3-Pin Header 5 Header, 5-Pin Inductor Inductor L78M09CDT Positive Voltage Regulator LTC1144IS8 LTC1144IS8 Lamp Incandescent Bulb MAX3232EEAE ?5kV ESD-Protected, 3.0V to 5.5V, Low-Power, up to 250kbps, True RS-232 Transceiver MAX485E MC306 MHDR1X5 Header, 5-Pin MHDR2X2 Header, 2-Pin, Dual row MIC MIC5205 800mA Low Dropout Positive Regulator Fixed 2.85V,3V,3.3V and 5V MP2359 MP2359 OPA4227 PJ-317 RES RES2 RESISTOR_Dup1 RES,5%,1/10W,SMD0603 Res Semi Semiconductor Resistor Res3 Resistor STM32F103RBT6 STM32 ARM-based 32-bit MCU with 128 Kbytes Flash, 64-pin LQFP, Industrial Temperature res1 Resistor

STM32F103RBT6设计全双工音频对讲机评估板PDF原理图PCB+3DF封装库+单片机软件源码文件, ALTIUM工程转的PDF原理图PCB文件+AD集成封装库，已在项目中验证，可以做为你的设计参考。集成封装库器件列表： Library Component Count : 33 Name Description ---------------------------------------------------------------------------------------------------- AO3401 CAP Capacitor CRYSTAL Crystal Cap Pol1 Polarized Capacitor (Radial) Cap Pol2 Polarized Capacitor (Axial) Cap Pol3 Polarized Capacitor (Surface Mount) Cap2 Capacitor D Schottky Schottky Diode FB Header 2 Header, 2-Pin Header 3 Header, 3-Pin Header 5 Header, 5-Pin Inductor Inductor L78M09CDT Positive Voltage Regulator LTC1144IS8 LTC1144IS8 Lamp Incandescent Bulb MAX3232EEAE ?5kV ESD-Protected, 3.0V to 5.5V, Low-Power, up to 250kbps, True RS-232 Transceiver MAX485E MC306 MHDR1X5 Header, 5-Pin MHDR2X2 Header, 2-Pin, Dual row MIC MIC5205 800mA Low Dropout Positive Regulator Fixed 2.85V,3V,3.3V and 5V MP2359 MP2359 OPA4227 PJ-317 RES RES2 RESISTOR_Dup1 RES,5%,1/10W,SMD0603 Res Semi Semiconductor Resistor Res3 Resistor STM32F103RBT6 STM32 ARM-based 32-bit MCU with 128 Kbytes Flash, 64-pin LQFP, Industrial Temperature res1 Resistor