51程序 包含语音4004 温度传感器18b20模块并在数码管显示

ISD4004录放学习模块采用ISD4004－16M的芯片，供电采用AMS1117－3.3V，可以单片机的IO口直接联系，电源输入为5V，带有MIC话筒输入和音频线输入电路，输出部分采用LM386作为声音放大，可以直接驱动8欧，4W左右的喇叭，音质不错



-4004 contains 51 voice 18b20 module temperature sensor and display in the digital learning modules ISD4004 playback ISD4004-16M chip, power supply used AMS1117-3.3V, single-chip can be directly linked to the IO port, power input to 5V, with MIC microphone input and audio line input circuit, the output part of the use of sound amplification as the LM386 can be directly driven by 8 European, 4W about the speakers, good sound quality