super simple
havent put alot of thought into this but how about an electric motor with a lobed lifter like in a gas motor to act as a trigger pull. they make a trigger crank for guns you could probably use that. a rt valve would be able to "reset" the lifter because the shaft would be free to move. might be noisey. lvl 10 would be a plus. rof adjustment would be simple with a POT. a cam system could work
havent put alot of thought into this but how about an electric motor with a lobed lifter like in a gas motor to act as a trigger pull. they make a trigger crank for guns you could probably use that. a rt valve would be able to "reset" the lifter because the shaft would be free to move. might be noisey. lvl 10 would be a plus. rof adjustment would be simple with a POT


Very simple, and VERY cheap 
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