PIR301 PIR301 PIR302 PIR302 PIR401 PIR401 PIR402 PIR402 PIR501 PIR501 PIR502 PIR502 PIR801 PIR801 PIR802 PIR802 PIR1001 PIR1001 PIR1002 PIR1002 PIU201 PIU201 PIU202 PIU202 PIU203 PIU203 PIU204 PIU204 PIU205 PIU205 PIU206 PIU206 PIU207 PIU207 PIU209 PIU209 PIU2010 PIU2010 PIU2011 PIU2011 PIC101 PIC101 PIC102 PIC102 PIC201 PIC201 PIC202 PIC202 PIU208 PIU208 PIU2015 PIU2015 PIU2022 PIU2022 PIU2021 PIU2021 PIU2020 PIU2020 PIU2019 PIU2019 PIU2018 PIU2018 PIU2017 PIU2017 PIU2016 PIU2016 PIU2014 PIU2014 PIU2013 PIU2013 PIU2012 PIU2012 PIU403 PIU403 PIC701 PIC701 PIC702 PIC702 PIU401 PIU401 PIU402 PIU402 PIC801 PIC801 PIC802 PIC802 PIR1202 PIR1202 PIR1201 PIR1201 PIR1302 PIR1302 PIR1301 PIR1301 PIX101 PIX101 PIX104 PIX104 PIX102 PIX102 PIX103 PIX103 PIC501 PIC501 PIC502 PIC502 PIC401 PIC401 PIC402 PIC402 PIVT103 PIVT103 PIVT102 PIVT102 PIVT202 PIVT202 PIVT203 PIVT203 PIVT101 PIVT101 PIR1501 PIR1501 PIR1502 PIR1502 PIVT201 PIVT201 PIR1401 PIR1401 PIR1402 PIR1402 PIU309 PIU309 PIU3010 PIU3010 PIU3011 PIU3011 PIU3012 PIU3012 PIU3013 PIU3013 PIU3014 PIU3014 PIU3015 PIU3015 PIU3016 PIU3016 PIC1801 PIC1801 PIC1802 PIC1802 PIC1701 PIC1701 PIC1702 PIC1702 PIU308 PIU308 PIU307 PIU307 PIU306 PIU306 PIU305 PIU305 PIU304 PIU304 PIU303 PIU303 PIR1902 PIR1902 PIU302 PIU302 PIR2002 PIR2002 PIU301 PIU301 PIR1901 PIR1901 PIR2001 PIR2001 PIJ101 PIJ101 PIJ102 PIJ102 PIJ103 PIJ103 PIJ104 PIJ104 PIJ105 PIJ105 PIJ106 PIJ106 PIJ107 PIJ107 PIJ108 PIJ108 PIJ109 PIJ109 PIJ1010 PIJ1010 PIJ1011 PIJ1011 PIJ1012 PIJ1012 PIJ1013 PIJ1013 PIJ1014 PIJ1014 PIJ1015 PIJ1015 PIJ201 PIJ201 PIJ202 PIJ202 PIJ203 PIJ203 PIJ204 PIJ204 PIJ205 PIJ205 PIJ206 PIJ206 PIJ207 PIJ207 PIJ208 PIJ208 PIJ209 PIJ209 PIJ2010 PIJ2010 PIJ2011 PIJ2011 PIJ2012 PIJ2012 PIJ2013 PIJ2013 PIJ2014 PIJ2014 PIJ2015 PIJ2015 PIR202 PIR202 PIR201 PIR201 PILED101 PILED101 PILED102 PILED102 PIR602 PIR602 PIR601 PIR601 PIC601 PIC601 PIC602 PIC602 PIR702 PIR702 PIR701 PIR701 PIS101 PIS101 PIS102 PIS102 PID102 PID102 PID101 PID101 PIR902 PIR902 PIR901 PIR901 PIS201 PIS201 PIS202 PIS202 PIU?01 PIU?01 PIU?02 PIU?02 PIU?03 PIU?03 PIU?04 PIU?04 PIU?05 PIU?05 PIU?09 PIU?09 PIU?08 PIU?08 PIU?07 PIU?07 PIU?06 PIU?06 CO NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL 1122334455667788DDCCBBAATitleNumberRevisionSizeA2Date:2019-07-27Sheet ofFile:E:\新品\..\Nodemcu V3-340原理图.SchDocDrawn By:esp8266GPIO16nRSTENGPIO0GPIO2R412kR1012kR312kGNDVDD3V3GPIO15R512kMTDOENGPIO0GPIO2GPIO15GNDVDD3V3ADCGPIO14GPIO12GPIO13TXD0RXD0GPIO4GPIO5MTCKMTDIMTMSMATTERS NEEDING ATTENTIONOn every boot/reset/wakeup,GPIO15 MUST keep LOW, GPIO2 MUST keep HIGH.GPIO0 HIGH ->RUN MODE, LOW -> FLASH MODE.When you need to use the sleep mode,GPIO16 and RST should be connected,and GPIO16 will output LOW to reset the system at the time of wakeup.+C2100uF TAJB107M006RNJGNDnRSTR812kC1100nFGNDRST1ADC/TOUT2EN3GPIO16/WAKE4GPIO14/HSPICLK5GPIO12/HSPIQ6GPIO13/HSPID/CTS0/RXD27VDD8GND15GPIO15/HSPICS/RTS0/TXD216GPIO2/TXD117GPIO0/SPICS218GPIO419GPIO520GPIO3/RXD021GPIO1/SPICS1/TXD022SPI_MOSI/SD_CMD9SPI_MISO/SD_D010GPIO9/SD_D211GPIO10/SPI_CS/SD_D312SPI_INT/SD_D113SPI_CLK/SD_CLK14U2ESP_12VDD3V3SPI_MOSISPI_MISOGPIO9GPIO10SPI_INTSPI_CLKPOWERGND/ADJ1VOUT2VIN3U4NCP1117ST33T3GVDD5VVDD3V3GNDC810uFGNDGNDC710uF 25VGPIO16nRSTENGPIO14GPIO12GPIO13GPIO0GPIO2GPIO15TXD0RXD0GPIO4GPIO5TXD2RXD2TXD1ADC_EXGNDPIN11PIN22PIN33PIN44PIN55PIN66PIN77PIN88PIN99PIN1010PIN1111PIN1212PIN1313PIN1414PIN1515J1THT_Male_P_1x15PIN11PIN22PIN33PIN44PIN55PIN66PIN77PIN88PIN99PIN1010PIN1111PIN1212PIN1313PIN1414PIN1515J2THT_Male_P_1x15GPIO3VUGPIO1HSPICLKHSPIQHSPIDHSPICSD0D1D2D3D4D5D6D7D8RXTXA0VDD3V3GNDVDD3V3GNDVINGNDVDD3V3GNDGPIO10SPI_INTSPI_CLKSPI_MOSISPI_MISOGPIO9SD_CLKSD_D0SD_CMDSD_D1SD_D3SD_D2S3S2VDDUSBIO-PINGPIO16R2470R60(NC)VDD3V3GNDS1KEY_RST/USERnRSTR7470R9470GNDS2KEY_FLASHGPIO0LED1BLUEUse this resistor only in sleep modeThis LED SHOULD BLUE or WHITE to make sure enough voltage dropADCR12220k(1%)R13100k(1%)GNDADC_EXUse 1% resistor here.KEYADCNodemcu v3-CH340 schGNDGNDVDD5VD_ND_PGND1TXD2UD-6XI7XO8CTS9RXD3RTS14R23215DTR13V34VCC16RI11DCD12DSR10UD+5U3CH340GR19470R20470TXD0RXD0GNDGNDGND1234X112MHz(2520/3225)XOXIXIXOC422pFC522pFGNDGNDVCC1D-2D+3ID4GND5MH16MH27MH38MH49U?USB_Micro_5S_BnRSTGPIO0C18100nFC6100nFVDD5VGNDGNDC1710uFGNDD11N4007/M7(DO-214AC)USB TO UARTVT2S8050VT1S8050R1512kR1412kVDDUSBOTG_IDAuto program circuitDTR RTS RST GPIO0 1 1 1 1 0 0 1 1 1 0 0 1 0 1 1 0内置晶振时可省略GVUS1SCSDSKG3VENRSTGVIN3VGG3V