The 555 has 8 pins... Ground Trigger Output Reset Control Threshold Discharge Vcc
it have 40 pins 1st one is ground and last one is Vcc.
+---+--+---+ +---+---*---+ __ 1a |1 +--+ 14| vcc | a | b |/y | /y = ab 1b |2 13| 4b ++.*===+ /1y |3 12| 4a | 0 | 0 | 1 | 2a |4 7400 11| /4y | 0 | 1 | 1 | 2b |5...
two, three, four, six
There are ten pins in tenpin bowling. That is why it is called ten-pin bowling.