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Timer MM:SS |
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1. Specifications
Under revision. Complete the circuit.
The idea is to invent a timer circuit (Timer_MMSS) that can count down up to one hour real-time, as in P8 but using the µC chip PIC18F4520.
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Fig. 1. Front panel with main details of the Timer_MMSS application. |
Fig. 2 shows the hardware circuit in Proteus.
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Fig. 2. Hardware circuit in Proteus. |
These materials can help you in this design: Timer HHMM complete project solved using a µC ATmega8535. Adapt it to your target chip PIC18F4520.