Does anyone know if there is a series of projects for Arduino that specifically allow students to experience the workings of S-R, J-K, D, and T flip flops?
No idea what you are needing.
Google:
electronic circuit simulator
The absolute best whay to teach logic components, find a good schematic drawing program, have students connect and power a circuit on a solderless breadboard.
Wokwi has logic gates from which J/K and other logic functions can be assembled and simulated.
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It's probably best without the Arduino. It needs to go slow, probably with LEDs so you can see what's happening.
I saw a demonstration set-up once (I think in a science museum). It had some switches & lights (LEDs?) on plexiglass panels with circuits & wiring underneath. You could push buttons or activate switches and the lights showed the various high/low states of the inputs & outputs.
It might also be helpful to have slow clock/oscillator (maybe 1Hz).
...So, far, none of my Arduino projects have needed any logic circuitry... Everything has been done in software. In fact, my 1st Arduino project came from something I was trying to do with some analog circuitry, some logic circuitry, and some "specialty" chips. I wanted to add a "feature" and the circuit design was getting rather complex. Then I thought about using a microcontroller and I discovered the Arduino. And I ended-up adding even more "features" than I could have done with logic chips.
Found circuitlab.com. Looks pretty good, but I was hoping for "hands-on" experiential learning.
it even has SR flip flop
but hands on is more fun 
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Its work in progress, but here's an example with user created Verilog Chip(s) ...
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For beginners or young students I'd say actual logic-chips and switches, buttons, and LEDs are best (and the most fun). Once you know the basics of electronics, logic voltage levels, etc., you can just look at a truth table or a datasheet.
...I remember studying flip-flop truth tables in college. I'm sure we had a lab experiment where we had to hook-up flip-flops them up but I don't remember that. And by that time, I understood enough electronics and I understood what the truth-table was saying so I didn't really need to do the experiments.
I don't actually remember exactly how to use a J-K flip-flop. I just remember that it can be configured in different ways so I'd have to dig-out the datasheet. You're always going to need the datasheet anyway to check the pinout and to figure-out if it's negative-edge triggered, etc. details.
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BTW
Make sure you teach the need of and use of decoupling capacitors.
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This is for college-level CS students in the Computer Organization and Architecture course. Of course, I teach binary logic and most of the common gates and such, but right now we're using Arduino for "generic" electronics experience, and I want to make it more for reinforcing concepts. It's s fun course, but could be better and more fun for the students.
I like the idea of emulating logic in software for students.
It expects them to understand the logical operations, as well as a relatively simple code project to perform the emulation.
A neat teach, do, understand opportunity.
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so what are you looking for exactly ? a software flip flop virtual library ?
Good point.
I was really excited to get hold of my first 74 series logic gates after reading about Boolean algebra in a book I found in the school library. Flip flops and shift registers came next. Loved what I could get them to do. Favourite was exclusive or feedback on a shift register to create a pseudo random sequence. Gold 
Forget Arduino, get some logic gates and other stuff and let your students see what it does.
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Some of this might be of interest, can be programmed using the Arduino IDE ...
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Yeah, maybe so.
Thanks!
For future reference, you might get some ideas from these posts:
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OMG, that's gonna be a serious time sink. I looked at the *.json file to confirm my suspicion, no Arduino present, empty setup() and loop()…
a7
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