Pcb attendance system azhar
- 1. 1 1 2 2 3 3 4 4 D D C C B B A A Title Number RevisionSize A4 Date: 9/28/2015 Sheet of File: D:Copy..Attendance System 1 layer.SCHDOCDrawn By: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 PIC18F46K22 RB7 RC0 RC1 GND 5V RA0 RA2 RA1 RA4 RA3 RE0 RA5 RE2 RE1 RC3 RC2 RD1 RD0 RB6 RB5 RD6 RD5 GND RD7 RB0 5V RB2 RB1 RB4 RB3 RD4 RC7 RD2 RC4 RD3 RC6 RC5 0.1uF C5 GND 5V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LCD Q1 2N2222 330R1 1KR8 RA6 5V RD5 RD4 RD3 RD2 RD0 RD1 GND 1 2 3 4 5 6 7 8 Keypad 330R6 330R7 330R9 330R10 10K R5 10K R4 10K R3 10K R2 RA5 RE0 RE1 RE2 RA0 RA1 RA2 RA3 5V Vin Vout GND 7805 10uF C1 10uF C2 GND 1 2 PWR D1 1N4001 5VS1 VCC 10uF C3 10uF C4 3.3V Vin Vout GND LM1117 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Xbee RD7 RD6 GND 3.3V 100 R13 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 MAX232 GND 5V 10uF C6 10uF C8 10uF C7 10uF C9 GND RC7 5V RB1 1K R15 VCC Q2 IRF540 GND 1 2 OUT 1 2 IN 1K R14 5V GND RB0 1 2 3 4 5 ICSP RB6 RB7 CLR GND GND 1 2 3 RS232 1 2 3 UART GND RC6 B A W9 W10 W5 W6 1 2 3 PWR_1 VCC GND 5V A B W8 1 2 3 4 5 6 7 8 DS1307 12 XTAL1 32.768kHz Battery 3V 1K R11 1K R12 RC3 RC4 5V GND W3 W4 5V RA4 Buzzer RA7 RA6 CLR W2 W1 W7