Dear friends thank you all for your help.Well the relay was my mistake in the schematic but i had tested it right on the bread board.So you told me that i need a pull up resistor.You mean the following attachment???And what changes should i do to make RA1,2,3 as inputs????Also i forgot to mention that my setting to ic-prog were: pwrt on xt osc
I'm sorry if I've missed anything but that looks alright to me.
Just for future reference. . .
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If you move the input switches to PORTB you might be able to omit the 10K pullups (PORTB has RB_PU weak about 47K pullups built in as an option) also increase your reset pullup to 10K if you want to use an ICP.
Also if you want to save a few cents use an RC osc or resonator with built in caps to replace the crystal.
PS you will need a pull-down resistor on the deactivate switch... Or connect it to ground and use a pull-up.
TRISA = 255; // 255 = 0b11111111; set PORTA to all input
I suggested a pull-up resistor on RA0. See the schematic below. When the switch is open, a logic "1" appears on RA0; when the switch is closed, a logic "0" appears on that input.
If you have questions about the other inputs, give details about your sensors.