@tfmccarthy I have 1-4, 1 is hardbound, the others are paperback, somewhere I have 4 in PDF. I would recommend them for beginners.

Do you have a photo of the cover or the ISBN number? I have seen at least three different ones over the years.

@tfmccarthy Thanks for the links. vary helpful.

@tfmccarthy The gun mechanism has just one leaf switch. There is no pellet hopper at this time, as the model is not completed. The other switch listed...

@tfmccarthy, On the gun mechanism, there is a motor and cam system that pulls back the breach to allow a pellet to drop in. There is a leaf switch set...

I've been working on the code for gun control. As suggested, I placed each section as a function. I am working on a safety function "Arming_Gun();"....

@tfmccarthy The RC (radio control) is the same as that used in Dave's video. My unit is a 6-channel Aerosky (used from a home-built drone years ago). ...

@davee Thank you for pointing out the wiring error, it is now fixed. The cyclestop switch doesn't seem to suffer from switch bounce, but as a precauti...

Somehow the photos didn't get included.

@davee I understand what you are saying, I am currently working on putting the test programs into functions. I have a little practice with functions, ...

Thanks for the great suggestions. I will be working on them. I thought I would post some photos as a reference that may help with more suggestions. I ...

@aliarifat thank you, my original idea was to control all motors with dedicated pins, even though I will be using a Mega 2560 (needing the four interr...

@davee Thank you. I will be studying the formula and method for a deeper understanding. When I was in tech school, they only scratched the surface of ...