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@Mattylad thank you very much for your detailed interesting. I reply you late because, I noted your recomendations and i applied to my project. So i wanna ask you some questions? (My english is bad please answer simply)
1-) "I see no stitching vias to join the grounds. **" What you mean here...
This circuit will suitable. So there are many inputs i know. There are totally 4 sensor inputs but sometimes output types can change 4/0,3/1,/2/2,1/3(mA/V) etc. And my MCU generates some values and sen to opearator panel circuit and display this values on GLCD. And so while values at critical...
I get this circuit from Industrial Device's(made in china) sensor input port(reading analog voltage). Can you analyse for me? and why using series two different filter(3rd op-amp(first order LPF) and 4th op-amp(second order)) ?
And 2nd and 3rd op-amp circuits was removed another sensor input...
I get this schematic from industrial device. This schematic uses for 4-20mA sensor input on this device. I create same circuit on breadboard. But it didn't work. I used 741 op-amp. But Industrial device used 27L2C. Please tell me why didnt work?
27L2C datasheet...
RS485 between two PIC problem!
Hello i am trying to communicate two pic.Its works on PROTEUS correctly.But this system didn't work in real. What's the problem please help me!
System doing this job:
From Master PIC to Slave PIC;
when d2 high, send 82.34 to Slave
when d3 high send 25.36 to...
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