How to Control a Ton of Inputs using Shift Registers!

This video explains how to use shift registers(74HC595) to control an insane amount of digital inputs.
Part 2:
• Part 2 - How to Contro...
Check these videos out first:
• How Shift Registers Work!
• Video
The code in the video: (note - I had the data and clock backwards in the video)
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[@GIGLIndia]

i was making 5*5*5 led cube using 595 shift register and bc 547 transistor. it worked in starting and is not working properly. i have not attached any resistor in the base emitter of transistor and 220 ohms in the collector emitter .CAN THIS BE A PROBLEM. or can you guess...

[@serverguy2]

I was a maestro of IBM 370/390 assembler. You are a maestro of at least Arduino coding. So maybe also C and others. Anyway, I appreciate your coding. Even with the quick hacks you write for these little demos, the code is still tight without being so tight to be incomprehensible like some C/C++ coders like to do. You show off just the right amount. It is easy to understand and "elegant" for demo level programs. I have seen MUCH worse. Thank you for taking the time to do these demos. I understand the electronics and have for decades but your integration with programming is enlightening at the next level of HW/SW integration. Well done.

[@jzgonzo]

I'm not an electronic engineer but your explanation was pretty clear. Now i'm ready to solve a problem that seemed very complicated to me before watching this great video. Thanks!

[@Kevindarrah]

yes, you have a good point, and I just added an annotation, but this does allow you to mix inputs and outputs in the same shift register bank

[@lloydrmc]

Brilliant! Provision for debounce, (frequently not the case with shift register videos). Plus SPI library for speed.

[@shedactivist]

Perfect. I was looking for a way to use BCD switches as inputs to Arduino and you have shown me the way.

[@wreckless_-jl6uu]

Very nice, I actually under stand shift registers a lot better now!! Specifically the 74HC595!! Thanks!!!

[@Kevindarrah]

nice one! Thanks for the tip. I was just goofing around with these

[@BarrettSimms]

This is really great. Thanks. It would be good to see how you wired everything up when you do these.

[@EddieVanHalen1977]

I am 2 minutes in and I already know I am going to subscribe. This guy is soooo good. Like butter. Thank you Kevin. Your presentation is just flawless and perfect. I cannot wait to watch many of your videos. Thank you so much. I am fan.

[@codenothing]

Thank you so much for this video! you answered a lot of questions I had for my pinball project.

[@JayDAnderson]

Very efficient way to sense the actuation of any one or more of a number of buttons. Great. You are basically setting each button on a single bit then polling all the bits in the byte to see which one are on or off.

[@darktherapy]

Cheers Kevin, you did a better video explaining this technique than in possibly could.

[@luw1z]

Thanks alot for the explanation. I was wondering if you have the part numbers for the diodes you used?

[@user-zg6qh1bk8y]

Hey I appreciate the video, but it would be very helpful to beginners like myself to have a schematic. Is there a wiring diagram that you could share with us??

[@DOSTalks]

Just want to say man, really good video very clear and understandable you have a great channel

[@Kevindarrah]

yea, I know... I need to do that. Many people have suggested the same. Just been really busy lately

[@thebackyardguru3785]

Awesome tutorial, any chance i can get a schematic.. been at it for a week and i just cant get it to work. I am from South Africa, not sure where i am going wrong... difference in IC maybe... PS i am still a newbie, what is the best way of trouble shooting where i am going wrong?

[@Gator198l]

Kevin, how is this wired? I'm having problems getting this set up. Thanks.

[@geraldmoritz8523]

Great Video ! I want to use a Rotary Encoder and need the Interrupt for this one. But I could use any PinChangeInterrrupt for checking any pressed button, right ? Greetings from Austria !