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PIC16F84 is one of the very basic and small microncontrollers offered by Microchip. It approves to be the best controllers for beginners and newbies. It offers following fearures;

Operating Speed: Max 20 Mhz.
Input/Output Pins: 13
Current Source/Sink via I/O Pins: 25mA
Interrupts: 4
Timers: 1 Timer of 8-Bit
Watchdog Timer: Yes, with On-Chip RC Oscillator for reliable operation.
In-Ciruit Serial Programming via 2 Pins. Continue reading