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jprewitt5
modified 6 years ago

Motor simulator with potentiometer

2
11
141
02:20:56
Motor simulator using transistors with 2 input (AND gate) 1 override (OR gate) and 1 emergency shutoff relay.
published 6 years ago
jprewitt5
6 years ago
This is a schematic to show the relationship between transistors and logic gates. Imagine you have a motor that must meat certain criteria(ex. Temp, light,..etc.) I built in an AND gate by putting switches in series. These switches simulate inputs. I also had transistors make an OR gate to facilitate a override switch. This switch, while used when both switches are closed, acts as a voltage amplifier. Raising voltage from 5 to 6 VDC. Last but not least, I added a emergency stop relay. I made it so if there is a short anywhere in the circuit, the motor should shut down. I also put a light to indicate that the relay input is shorted/open for troubleshooting purposes.
BillyT
6 years ago
Tidy the circuit up and look for the mistakes...
jprewitt5
6 years ago
Yea I'm still working on it. This is my first circuit on this app. Was thinking about actually making it to see how accurate this app is. If you have any suggestions to make it better, I'd love to hear them.
hurz
6 years ago
how accurate? You are not accurate, why should this app be better. Description says nothing about how you do this check ! The circuit looks messy we would like to see a better clean nicer version and description how you make the test and what you get and what you expect?
jprewitt5
6 years ago
Well I have just started experimenting with circuits. I am a beginner who is trying to learn as much as possible. So how do I make the circuit look nicer? Not sure what you mean by making the test? All I was saying about the accuracy is I'm curious how this app holds up to real circuits. I'm new to this app so I have yet to test this out.
hurz
6 years ago
and how do you test?
jprewitt5
6 years ago
I have a breadboard and I'm going to make the circuit and use a multimeter to confirm that everything matches up.
hurz
6 years ago
but it doesn't look you know what you do. Why is the poti just a fixed resistor? Why the one transistor collector emitter swapped in a totaly uncommon way. Do you expect it will behave as you wish, or what do you wish this transistor will do for you. What is the relay for? Its in a fixed position and cant be changed according to this schematics. Dont you think you should make the circuit smaller and start with something you understand better?
jprewitt5
6 years ago
You're right, I am definitely expecting to improve and change it. That is why I'm using a breadboard instead of making it permanent.
hurz
6 years ago
simplify it and make it step by step in parallel with the simulator. Motors are probably not the best component to start with, anyway make your experiences. Keep it up!
jprewitt5
6 years ago
Thank you

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