This is a simple circuit which shows how to interface 16×2 LCD to PIC18F4550 microcontroller which is of family PIC18F. Interfacing LCD to PIC is not different from interfacing to 8051. The basic ...
Microcontroller port pins can typically be driven either high or low, or else be put into an "input" or high-impedance state. This circuit uses the three states to drive two separate LEDs with one ...
Seven-segment displays are needed in many instrument designs. In conventional microcontroller-based designs, four output port lines are allocated for one seven-segment display. Figure 1 shows the ...
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