0-500℃ 0.000-16.748mv
单片机ADC参考电压等于VCC约5v
代码中按照放大器269倍增益计算既在500度时4505.212mv
只要放大器满足此条件可以用别的也可以改变电路
关于布线
建议预留P30,P31用来升级调试
*ADC只能在P1.0-P1.7之间
T12_CTRL不能变更连接
DPY_A-DP尽量安排在一个完整的端口
DPY_DIG最好安排在相连的端口
编码器本来是想用中断做驱动 但是204EA版有bug 外部中断不可用 所以可以修改到其它端口
当然能动最好了:) 有需要变动的我重新编译固件
正常版本最近一两天放出
电路可能存在bug 希望高手指正
已知D4虚焊可能烧掉单片机IO或单片机, 这部分可以改3r33输出8v 然后7805或者串二极管到mcu
8v给lm358供电
设计可控温度在150-450℃
有自动冷端补偿
元件清单
"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","共阴3位数码管 SM420363 0.36英寸数码管"
"KIS-3R33S","U3","","KIS-3R33S DC-DC 电源模块"
"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 旋转编码开关"
"STC15F200-28PIN_A","U1","",""
"T12_OUT","J4","","Connector"
"TL431","D1","",""
"UART","J1","","Connector"
"s8050","Q2","","NPN Transistor"
二手原装TS-172升温到300
打算出套件的朋友建议先测测这个系统的一致性, 我不对任何使用造成的后果负责 |
编程器设置
OK啦,没有仔细调整,能正常工作了。
PDF格式电路图
Protel Schematic.pdf
(50.63 KB, 下载次数: 405)
串口调试固件
T12Ctrl调试固件.rar
(3.65 KB, 下载次数: 241)
上位机软件
上位机软件.rar
(293.37 KB, 下载次数: 205)
Protel 99 SE 电路图
V100.rar
(8.15 KB, 下载次数: 225)
我洞洞板做的没PCB
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