Pin9 (f): This pin controls the top left LED of the display.Pin8 (Com): This pin is connected to Vcc/GND based on display type.Pin7 (a): This pin is used to control the topmost LED of the display.Pin6 (b): This pin controls the top right LED of the display.Pin5 (DP): This pin controls the decimal point LED of the display.Pin4 (c): This pin controls the right bottom LED of the display.Pin3 (Com): This pin is used to connect to Vcc or Ground-based on display type.Pin2 (d): This pin is used to control the bottom-most LED of the display.Pin1 (e): This pin is used to control the left bottom LED of the display.
