Interfacing 7-segment display with PIC12F1822 using CCS PIC C compiler
Here is an example shows how to make a digital up counter where the number is displayed on a 7 segment display uses multiplexing technique with shift register.
Example circuit schematic is shown below where a common anode 7-segment display and 74HC164N shift register are used.
Other shift registers such as 74HC595 or CD4094 can be used in this project.
The displayed number can be incremented using the button which is connected to RA3 pin.
The push button is connected to RA3 pin. The shift register used is 74HC164 but other types can work properly like 74HC595 or CD4094.
In this example all pins of PIC12F1822 are used and there is no free pin.
Interfacing PIC12F1822 with 7-segment display CCS C code:
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