說明： 基于51單片機的數字直流電壓表相關材料，內容有原理圖，仿真文件，論文材料，程序源碼等。(The related materials of digital DC voltmeter based on 51 single chip computer include schematic simulation files, paper materials, program source code, etc.)
說明： 51單片機控制智能溫控風扇，多檔調節，pwd調速。包含源碼和電路圖(51 single chip computer control intelligent temperature control fan, multi-stage adjustment, PWD speed regulation. Contains source code and circuit diagrams)
