3x NPN 1xPNP 6x resistorswith the actual inventory?
3-4 resistors for schmitt 3-2 for followervoltage follower and the other as Schmitt trigger.
((What it's worth . . .)) -- no warranty - whatsoever it'll actually work /!\ -- depends on transistors ir-Sensor and adjustability by 100k pot , and that the components won't get blown while adjusting the grid to operation /!\
. . . it also may be considered using the 100k pot + photo-diode to bypass the motor and locking the power switch - giving it some 90µA standby + finding a capacitor set up a triggered timer control. . . i'm not into figuring that one out now . . .
be better than me !
. . . usually if you don't do it now - you'll never do it here we go
Both of the above circuits have question marks as :
• if the motor already is not self timed to run the round loding cycle then you have to time the iR source on 1-st example
• in the second example the delay depends on env. temperature and battery condition
(for 9V 6F22 the loading cycles for 1-st 5 rounds may occur normally but then the battery "exhausts" and following may fail -- if the weather is warm - above 20°C(68°F) - the internal chemistry recovers the battery charge in 30 minutes to several hours)
shortly you may need a more complex control circuit for any practical and reliable operation
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