Module model

ESP-12S

Description

Package form

SMD16

Patch

Module size

24*16*3mm

± 0.2mm

Certification information

/

FCC / CE

SPI FLASH

32Mbit

Default

Support interface

/

UART / GPIO / ADC / PWM

Available IO port

9

/

Serial port speed

4608000bps

Support 300 ~ 4608000bps, default 115200bps

Spectrum Fan

2.4GHz

2412-2484MHz

Antenna form

on-board

Onboard PCB antenna, transmission distance is about 100 meters

Transmit power

/

802.11b: 16 ± 2dBm; 802.11g: 16 ± 2dBm; 802.11n: 16 ± 2dBm;

Safety

/

WEP / WPA-PSK / WPA2-PSK

Power supply range

3.3V

3.0-3.6V, current> 500mA

Operating temperature

Industrial grade

-20°C ~ + 85 °C

AT support

Built-in intelligent processing

Can be read by AT command

Number

Pin Name

Function

1

RST

Reset

2

ADC

A / D conversion result. Input level range 0 ~ 1V, value range: 0 ~ 1024

3

EN

Chip enable terminal, high level effective

4

IO16

GPI016, can do deep sleep to wake up when receiving RST pin

5

IO14

GPI014.HSPLCLK

6

IO12

GPI012.HSPLMIS0

7

IO13

GPIO13, HSPLMOSI; UART0.CTS

8

VCC

3.3V power supply (VDD); the output current of external power supply is recommended to be above 500mA

9

GND

Ground

10

IO15

GPI015, MTDO; HSPICS; UARTO_RTS

11

IO2

GPI02.UART1.TXD

12

IO0

GPIOO, download mode: external pull low, operating mode: floating or external pull high

13

IO4

GPI04

14

IO5

GPI05JR.R

15

RXD

UART0_RXD; GPIO3

16

TXD

UARTO_TXD; GPI01