Here you will see a list of site's that make use of the famous 555 chip.
The 555 has the following components inside
24 Transistors, 17 Resistor and 2 Diodes
4 Sections internally
Pin 6 - Threshold Comparator
Pin 2 - Trigger Comparator
Pin 4 - Reset - Pin 7 - Discharger (flipflop
circuit) tied to Pin 5
Pin 3 - Output
Pin 1 - Ground Pin 8 - VCC
that for an 8-PIN Chip!
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