{"product_id":"esp8266-grove-kit-wifi-solution-compatible-pms5000-for-seeed-series-arduino","title":"ESP8266 Grove Kit WiFi Solution Compatible PMS5000 for Seeed Series Ar-duino","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e- The module is designed based on esp8266 by Espressif Systems, which is a competitive WiFi solution.\u003c\/p\u003e\n\u003cp\u003e- The module has the following interface for users, such as UART, IIC, AIO, DIO etc. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e- 802.11 b \/ g \/ n wireless standards;\u003c\/p\u003e\n\u003cp\u003e-  STA \/ AP, STA+AP modes support ;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- TCP \/ IP protocol stack, One socket;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Supports standard TCP \/ UDP Server and Client;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Supports serial port baud rate configuration:\u003c\/p\u003e\n\u003cp\u003e- 1200\/2400\/4800\/9600\/19200\/38400\/57600\/74800\/115200 bps;\u003c\/p\u003e\n\u003cp\u003e- Supports serial data bits: 5\/6\/7\/8 bits;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Supports serial parity: none;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Supports serial stop bits: 1\/2 bit;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e-  ESP8266 GPIO Pinout 0\/2\/4\/5\/9\/10\/12\/13\/14\/15\/16 \/ ADC \/ EN \/ UART TX \/ UART RX;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- WiFi operation current: continuous transmission operation: ≈70mA (200mA MAX), idle mode: \u0026lt;200uA;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e-  Serial WiFi transmission rate: 110-460800bps;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Temperature: -40℃ ~ + 125 ℃;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Humidity: 10%-90% non-condensing;\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e Interface Definition and LED Definition\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e3.1 Interface Definition\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis ESP8266 Grove Kit module board provides interface as shown in PCB view. And each pin functions are silk-printed in circuit board, as follows:\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv align=\"center\" style=\"font-family: tahoma, arial, 宋体, sans-serif; font-size: 14px;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"0\" cellspacing=\"0\" style=\"margin-left: 5.4pt; border: none;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border: 1pt solid windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003ePin \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-top-width: 1pt; border-right-width: 1pt; border-bottom-width: 1pt; border-style: solid solid solid none; border-top-color: windowtext; border-right-color: windowtext; border-bottom-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eFunction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-top-width: 1pt; border-right-width: 1pt; border-bottom-width: 1pt; border-style: solid solid solid none; border-top-color: windowtext; border-right-color: windowtext; border-bottom-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eRemark\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGND\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGround\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eVCC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003ePower\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e3V3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e3.3V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e5V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e5.0V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eRXD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eESP8266 RXD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eTXD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eESP8266 TXD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eDx (0-16)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGPIOx(0-16)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eSCL\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGPIO5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eSDA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGPIO4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eRESET\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eESP8266 reset (pulled on)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eFLASH\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003eGPIO0 (pulled on)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"76\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 2cm; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-style: none solid solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003ePM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"211\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 158.25pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003ePM5003 Series Sensor Interface\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"205\" style=\"margin: 0px; padding: 0cm 5.4pt; width: 153.6pt; border-style: none solid solid none; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext;\"\u003e\n\u003cp style=\"margin-top: 1.12em; margin-bottom: 1.12em; padding: 0px;\"\u003e\u003cspan style=\"color: red;\"\u003ea PM2.5 sensor interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: rgb(0, 0, 0); margin: 1em 0px; padding: 0px; font-size: 1.17em; font-weight: bold; font-family: tahoma, arial, 宋体, sans-serif;\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e3.2 LED definition\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis ESP8266 Grove Kit module has two LEDs. Red color LED is donated to power supply. Blue color LED is a multi-functional LED, and it connects with GPIO16.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e3.3  USB Driver\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe USB chip is CH340. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e3.4 Default Firmware\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe default firmware function is serial to wifi. Users can test the communication between microusb (9600,8,N,1) and TCP (IP address:192.168.4.1, port num:9000).\u003c\/p\u003e","brand":"Thanksbuyer","offers":[{"title":"Default Title","offer_id":40824668454961,"sku":"63319","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/7076851908657_watermarked_0.jpg_0.png?v=1768022136","url":"https:\/\/www.thanksbuyer.com\/fr\/products\/esp8266-grove-kit-wifi-solution-compatible-pms5000-for-seeed-series-arduino","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}