0-500℃ 0.000-16.748mv
單片機ADC參考電壓等于VCC約5v
代碼中按照放大器269倍增益計算既在500度時4505.212mv
只要放大器滿足此條件可以用別的也可以改變電路
關于布線
建議預留P30,P31用來升級調(diào)試
*ADC只能在P1.0-P1.7之間
T12_CTRL不能變更連接
DPY_A-DP盡量安排在一個完整的端口
DPY_DIG最好安排在相連的端口
編碼器本來是想用中斷做驅(qū)動 但是204EA版有bug 外部中斷不可用 所以可以修改到其它端口
當然能動最好了:) 有需要變動的我重新編譯固件
正常版本最近一兩天放出
電路可能存在bug 希望高手指正
已知D4虛焊可能燒掉單片機IO或單片機, 這部分可以改3r33輸出8v 然后7805或者串二極管到mcu
8v給lm358供電
設計可控溫度在150-450℃
有自動冷端補償
元件清單
"Part Type","Designator","Footprint","Description"
"0.1-10uf","C9","","Capacitor"
"1K","R19","",""
"1N4004","D5","","Diode"
"1N4148","D3","","Diode"
"1k","R21","",""
"1k","R20","",""
"1k","R22","",""
"4.7k","R26","",""
"4.7k","R25","",""
"4.7k","R27","",""
"4.7k","R23","",""
"4.7k","R24","",""
"5.1V","D4","","Schottky Diode"
"10k %1","R17","",""
"10k","R1","",""
"10k","R2","",""
"10k","R5","",""
"10k","R30","",""
"10k","R3","",""
"10k","R4","",""
"10nf","C6","","Capacitor"
"10nf","C5","","Capacitor"
"10nf","C4","","Capacitor"
"10uf","C1","","Capacitor"
"20k","R29","",""
"20k","R28","",""
"33uf 30V","C7","","Capacitor"
"33uf-100uf 25v","C8","","Capacitor"
"100nf","C3","","Capacitor"
"100nf","C2","","Capacitor"
"470","R12","",""
"470","R11","",""
"470","R9","",""
"470","R10","",""
"470","R15","",""
"470","R16","",""
"470","R13","",""
"470","R14","",""
"470","R8","",""
"470","R6","",""
"470","R7","",""
"936_SWITCH_A","J2","","Connector"
"936_SWITCH_B","J3","","Connector"
"DPY_7-SEG_DP_3","DS1","JM-S03631A-B","共陰3位數(shù)碼管 SM420363 0.36英寸數(shù)碼管"
"KIS-3R33S","U3","","KIS-3R33S DC-DC 電源模塊"
"LED Red","D2","",""
"LM358","U2","CAN_8","Fast Settling Dual Operational Amplifier"
"MOSFET P 9435","Q1","",""
"NTC-MF52AT 10K 5% B 3950 %1","R18","",""
"ROTARYENCODER","encoder1","","rotary encoder 旋轉(zhuǎn)編碼開關"
"STC15F200-28PIN_A","U1","",""
"T12_OUT","J4","","Connector"
"TL431","D1","",""
"UART","J1","","Connector"
"s8050","Q2","","NPN Transistor"
12050514145dd66b3e7b161c66.jpg (198.9 KB, 下載次數(shù): 289)
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2015-7-18 14:45 上傳
二手原裝TS-172升溫到300
打算出套件的朋友建議先測測這個系統(tǒng)的一致性, 我不對任何使用造成的后果負責 |
120505144013129b7746b17a63.jpg (140.88 KB, 下載次數(shù): 281)
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2015-7-18 14:45 上傳
編程器設置
焊好的板子。104E的。等下準備通電調(diào)試
12050615302c79c4cbacd17006.jpg.thumb.jpg (96.62 KB, 下載次數(shù): 282)
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1205061839f1d1476b296e4af5.jpg (139.44 KB, 下載次數(shù): 272)
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12050618392dadf144cb9aeb62.jpg (72.99 KB, 下載次數(shù): 272)
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120506183919b0b243ad2c20dc.jpg (67.23 KB, 下載次數(shù): 279)
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2015-7-18 14:45 上傳
OK啦，沒有仔細調(diào)整，能正常工作了。
PDF格式電路圖
Protel Schematic.pdf
(50.63 KB, 下載次數(shù): 405)
2015-7-18 14:12 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
串口調(diào)試固件
T12Ctrl調(diào)試固件.rar
(3.65 KB, 下載次數(shù): 241)
2015-7-18 14:12 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
上位機軟件
上位機軟件.rar
(293.37 KB, 下載次數(shù): 205)
2015-7-18 14:12 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
Protel 99 SE 電路圖
V100.rar
(8.15 KB, 下載次數(shù): 225)
2015-7-18 14:12 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
我洞洞板做的沒PCB
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