avr163212 VCC JP1 1 3 5 7 9 2 4 6 8 10 VCC C221UF34VCC R1 VCCUSB_5VU44.7KATMEGA16-DIP40VCC 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 ADC0 ADC1 PA2 PA3 PA4 PA5 PA6 PA7 GND VCC GND VCC C91ufRESET C11UFA2 3 1 3 S1 2 1 POWER VCC LED1 RESET GNDHeader 5X2 D11N4001GND U37805MOSI MISO SCK RESETPB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 VCC GND1 3 2DC9~12V1 C131UF7805 23 C17 C151UF 1UF 100UC18R2 2K RXD TXD XTAL1 7.3728M C1118PC1447UFC818PJP5LCD_1602U1 D Connector 9 B J1 1 6 2 7 3 8 4 9 5 C3 1UF 14 7 13 8 C4 6 1UF T1OUT T2OUT R1IN R2IN VEE VCC C2 1UF 2 16 VDD VCC C1+ C1C2+ C2T1IN T2IN R1OUT R2OUT GND 1 C6 3 4 5 C7 11 TXD 10 12 RXD 9 15 GND 1UFR11 2K PC6 PC7GND VCC GND1UF VCC C101UFPA4 PA5 PA6 PA7 VCC GNDMAX232CPE1 2 3 4 5 6 7……