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1、12345678VCCDS1DPY_71DB0R1510a11ADPY1DPY2DPY3DPY4KEY5RP2DB1R2510b7BaaaaKEY61K*8DB2R3510c4CfbfbfbfbKEY7DB3R4510d2DggggKEY8DB4R5510e1EececececK7K8K9KF498765432DB5R6510f10ddddFDB6R7510g5GdpdpdpdpSW-PBSW-PBSW-PBSW-PBDB7R8510dp3DP1H2H3H4HK4K5K6KF3AA986LVCCVCCSW-PBSW-PBSW-PBSW-PB12K1K2K3KF2D2D3D4D5D6D7
2、D8D9Q3Q4Q6SW-PBSW-PBSW-PBSW-PBQ5855085508550855021K*K0K#KF1J4SW-PBSW-PBSW-PBSW-PB01234567BBBBBBBBJUMPKEY4DDDDDDDDKEY3W1R95.1KKEY2W2R105.1KLVCCLVCCLVCCLVCCKEY1W3R115.1KW4R125.1K4x44VCCVCC1R18R19R20RP1VCCU35.1K5.1K5.1K5.1K*818BVCC2VCC1B27W1VCCX1CLKRW2I/O6W2JP1U1VCC98765432LCD1602POT2LCD12864Y35W3K
3、EY1140JP3DB0718CE12P1.0/T2VCCDB0VOUT3.2768MHZ34KEY2239DB0DB183X2GND34P1.1/T2EXAD0/P0.012DB1VoVCCKEY3338DB1DB292R1356P1.2AD1/P0.134DB2VCCDS1302EAKEY4437DB2DB310178P1.3AD2/P0.256DB3GNDKEY5536DB3DB411DB0710K910P1.4AD3/P0.378DB4DB0KEY6635DB4DB512DB181112P1.5AD4/P0.4910DB5DB1VCCVCCC1KEY713147P1.6AD5/
4、P0.5341112DB5DB613DB6DB29DB210uFKEY815168P1.7AD6/P0.6331314DB6DB714DB7DB310DB3RESETRESET32DB7DB411AD7/P0.71516DB4U4VCCR21R22JUMPRESET9EN6DB512RESETEDB5185.1K5.1KR14JP231EAJUMPDB613A0VCCEADB62710KRXD1030R/W5DB714A1WP12P3.0/RXDALE/PROGR/WDB736SCLTXD1129JP4RS4RS4A2SCL34P3.1/TXDPSENRW1RSRS45SDAIR12P
5、SENPSENR/W5GNDSDA56P3.2/INT01210KR/W1328W13EN678P3.3/INT1A15/P2.734VLEnAT24CXXSCL1427W2BLA+1515910P34/T0A14/P2.656BLA+VCCPSBSDA1526W316161112P35/T1A13/P2.578BLK-R155.1KNCDS18B201625W4VCC171314P3.6/WRA12/P2.4910/RESBUZZ1724EN2191516P3.7/RDA11/P2.31112VCCGND1823R/W1R2920XTAL2A10/P2.21314GNDVDDVCCJ
6、UMP1922RSVCCXTAL1A9/P2.115162021A+GNDA8/P2.01718U5IRY1R2312MHZSTC89C51JUMPC1535.1KC01C02Q20.1uFVCC2IR22p22pA+R278550CGNDC1OUTR28VCCBLA+2S05VNC11COMMON13NO14VCCNC25COMMON26SWDPDTNO2R0510VCCJP5VCCR261234J0D1USB_TXDRXD1.5K56U2USB_RXDTXD4R2478D+15143DPEE_DATAD-R251613JUMP2DMEE_CLK171213V3VO_3V3SHTD#
7、1811GNDCTS_NUSB5V1910VCCU6NCDCD_N209BUZZER5V3V3VCC3V3VCCVCCVCCVCC5VVDD_5DSR_N218GNDNC22GP0GND7U7DS18B20R16Q1C3C4C523635.1KBUZZR178550100u100u100uC6C7C8C9C10GP1R1_NVCC245USB_RXD2DS18B200.1u0.1uF0.1uF0.1uF0.1uFNCRXDOUT1kD2541D
