112233445566DDCCBBAAScaleSheetSizeFCSM No.DWG No.RevCP3.3/INT113P3.4/T014P3.5/T115P3.6/WR16P3.7/RD17XTL218P3.0/RXD10RST/VPD9P3.2/INT012P3.1/TXD11P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P0.039P0.138P0.237P0.336P0.435P0.534P0.633P0.732P2.728P2.627P2.526P2.425P2.324P2.223P2.122P2.021XTL119VSS20VCC40EA/VPP31ALE/PROG30PSEN2980C51U189C52VCCP10P11P12P13P14P15/MOSIP16/MISOP17/SCKD0D1D2D3D4D5D6D7VCCP20/SDAP21/SCLP22/18B20P23P24P25P26/DULAP27/WELAALEPSENRSTP30/TXDP31/RXDP32/INT0P33/INT1P34/LCDENP35/RSP36/WRP37/RDXTL2XTL1123456789RP2RES9VCC123456789RP3RES9+R6103RSTVCC12X211.0592C830pfC930pfXTL1XTL211223344556677889910101111121213131414151516161717181819192020J1CON2011223344556677889910101111121213131414151516161717181819192020J2CON20P10P11P12P13P14P15/MOSIP16/MISOP17/SCKRSTP30/TXDP31/RXDP32/INT0P33/INT1P34/LCDENP35/RSP36/WRP37/RDVCCD0D1D2D3D4D5D6D7ALEPSENP20/SDAP21/SCLP22/18B20P23P24P25P26/DULAP27/WELAP30/TXDP31/RXDP32/INT0P33/INT1P34/LCDENP35/RSP36/WRP37/RD123456789RP1RES9VCCLED1LED3LED5LED7LED2LED4LED6LED8P10P11P12P13P14P15/MOSIP16/MISOP17/SCK112233j3AMS1117 3.3C3104C5106C6104C7106V3.3V3.3GND1VCC2CE3CSN4SCK5MOSI6MISO7IRQ8NRF24L01N1P14P15/MOSIP13P16/MISOP17/SCKP12VCC12+BUZ1R10102P23VCC21X12X23GND4RST5IO6SCLK7VCC8DS1302u312X1XTALVCC112233j5COM3R4103R5103R3103AIN01AIN12AIN23AIN34A05A16A27GND8SDA9SCL10OSC11EXT12AGND13Vref14AOUT15VCC16U5VCCTSCLKTIOTRSTTRSTTIOTSCLKVCCP20/SDAP21/SCLR7103R8103VCCP20/SDAP21/SCLV1V2AIN0AIN1AIN2AIN3AIN0AIN1VCCR9103VCCAIN212J6CON2AIN2112233j7COM3VCCAIN3GND1DQ2VDD3U718B20VCCP22/18B20R14103OUT1GND2VDD3U6HS0038R12103VCCP32/INT0VCCGND1VCC2VL3RS4RW5EN6D07D18D29D310D411D512D613D714BL+15BL-16LCD1602LCD1GND1VCC2VEE3RS4RW5EN6D07D18D29D310D411D512D613D714PSB15NC16LCD12864RST17NC18VCC19GND20LCD2VCCP20/SDAP21/SCLVCCVCCR11471LED10VCCV3POT2VCCP34/LCDENP35/RSP36/WRD0D1D2D3D4D5D6D7VCCV4POT2VCCP34/LCDENP35/RSP36/WRD0D1D2D3D4D5D6D7P37/RDVCCOE1GND10LE11VCC2074HC573D02D13D24D35D46D57D68D79Q019Q118Q217Q316Q415Q514Q613Q712U8OE1GND10LE11VCC2074HC573D02D13D24D35D46D57D68D79Q019Q118Q217Q316Q415Q514Q613Q712U9D0D1D2D3D4D5D6D7VCCP27/WELAWE1WE2WE3WE4WE5WE6WE7WE8e1d2h3c4g5K46b7K38K29f10a11K112V5e1d2h3c4g5K46b7K38K29f10a11K112V6WE1WE2WE3WE4WE5WE6WE7WE8AACCBBDDEEFFGGHHD0D1D2D3D4D5D6D7VCCR15R16R17R18R19R20R21R22P26/DULAABCDEFGHVCC1D-2S5D+3S6GND4J4USB-B+EC2100UF142536SW1VCCUVCCUVCCCKO1ACT#2TXD3RXD4V35UD+6UD-7GND8XI9XO10CTS#11DSR#12RI#13DCD#14DTR#15RTS#16NC17R23218VCC19NOC#20U2CH340TD14148P30/TXDP30/TXDLED11R13103VCCR1471P31/RXDC1103C1020PFC1120PF12X3UD-UD-UD+UD+UVCCC2103C4104LED9R2102VCC162738495J8DB9T2OUTT2OUTR2INR2INC12104C13104C14104C15104C17104V+V+VCCP31/RXDP30/TXDC1+1V+2C1-3C2+4C2-5V-6T2 OUT7R2 IN8R2 OUT9T2 IN10TI IN11R1 OUT12R1 IN13T1 OUT14GND15VCC16U10MAX232A01A12A23GND4SDA5SCL6WP7VCC824C02U424C02Q1D0D1D2D3D4D5D6D7+EC110UF12J9112233j10112233j11112233j12VCCV3.3VCC12S112S212S312S412S512S612S712S812S912S1012S1112S1212S1312S1412S1512S1612S1712S1812S1912S2012S21VCC