Seems pretty straightforward, simple enough build by the look of it. Main issue would be reaction time of the scale being fast enough, Lee is probably a good choice in this case as it's well known to be sensitive. Power to switch, to vibrator, to board, to and optical limit switch to kill vibrator. Hardest part is probably to figure out what a person needs to look for for a board for it, or maybe where.
As to buying an intellidropper, it's like any other mass produced cheap elec item, take your chances and roll the dice, 30sec or 30ft or 30yrs. There was a guy ordered 3 in a row, 2 were the warr replacements, none made it to 100rds, mechanical issues, not electrical. Had a bad batch out there, forget if he'e decided he'd sell the third one or was going to pirate it for parts to fix the other two, he said something about he thought about doing, was going to try to get the other two working somehow, as he had two different mech issues with them, figured he had enough parts there. Forget for sure if he had given up getting another replacement or FA had finally flipped him the bird. Think it all occurred last year, vid on YT.
