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2/ 104PR 15 / 10KR 23 / R 22 / R 21 / R 24 / R 18 / 330RR 16 / 330RR 19 / 330RR 17 / 330RR 13 / 0RR 14 / 2KR 12 / 0RR 20 / 330R1122334455667788991010111112121313141415151616T L P 521 411223344556677889910101111121213131414U 2/ 74H C 021122334455J D Q 1/ D C 5VV C CV C CV C CV C CV C CV C C電源電路圖 C 1 2104C8104C4104C 1 0104C2104C6104F2F3C 1 11 6 V / 4 7 0 uFC71 6 V / 4 7 0 uFC31 6 V / 1 0 0 0u FC93 5 V / 4 7 0 uFC13 5 V / 1 0 0 0u FC53 5 V / 4 7 0 uFAC2V+1AC3V4D 2 / B D 1F1T2V i n1GND2+ 12 V3U27 8 12V i n2GND1 12 V3U37 9 12V i n1GND2+ 5V3U17 8 05 12 V+ 12 V+ 5V1 23 45 67 89 1011 1213 1415 1617 1819 20J11 23 45 67 89 1011 1213 1415 1617 1819 20J212J3+ 5VR11R 12 V+ 12 V+ 12 V 12 VA C 1A C 2A C 1A C 2A C 1A C 2A C 22 0V串行接口電路圖 R 3/ N CR4120RC 13 / N CC 17 / 104PC 14 / 104PC 5/ N CC 18 / N CC 7/ 104PC 19 / N CC 6/ 104PC 16 / 104PC 15 / 104PX 2/ N C162738495J512J 101234P2V C C16V+2V6T 1O U T14T 2O U T7R 1I N13R 2I N8C 1+1C 13C 2+4C 25T 1I N11T 2I N10R 1O U T12R 2O U T9GND15U2M A X 232RO1RE2DE3DI4GND5A6B7V C C8U5M A X 48511223344556677889910101111121213131414151516161717181819192020U3V C C1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425 26J11 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425 26J2V C C12345J812345J712345J9V C CV C CV C CV C CV C CV C CV C C軟件主流程 開始顯示溫度溫度大于上限值采集溫度是否有按鍵按下 按鍵處理程序報(bào)警溫度小于下限值初始化讀參數(shù)YNNNYY實(shí)例圖(正面) 實(shí)例圖(焊接面) 焊接與調(diào)試 1,前級(jí)放大器硬件焊接與調(diào)試 2,A/D轉(zhuǎn)換軟件模塊編寫與調(diào)試 3,鍵盤、顯示軟件編寫與模塊 4,斷電保存部分軟件模塊編寫與調(diào)試