Product Features
Product Functions
Functional features: Developed based on the ESP8266 chip, the module integrates transparent transmission function, which is ready to use and supports serial AT command set. Users can access the network through the serial port, which is widely used in smart wearables, smart homes, home security, remote controls, automotive electronics, smart lighting, industrial Internet of Things and other fields.
Product Specifications
| 模塊型號 Module model | ESP-12S | 描述 Describe |
| 封裝形式 Packaging form | SMD16 | 貼片 Surface mount |
| 模組尺寸 | 24*16*3mm Module Size | +0.2mm |
| 認證資料 Certification documents | / | FCC/CE |
| SPI FLASH | 32Mbit | 默認 Default |
| 支持接口 Support interfaces | / | UART/GPIO/ADC/PWM |
| 可用IO口 Available IO ports | 9 | |
| 串口速率 Series Rate | 4608000bps | 支持300~4608000bps，默認115200bps Supports 300-460800bps, default 115200bps |
| 頻譜范圍 Spectrum range | 2.4GHZ | 2412~2484MHZ |
| 天線形式 Antenna form | 板載 Onboard | 板載PCB天線，傳輸距離約為100米 Onboard PCB antenna with a transmission distance of approximately 100 meters |
| 發(fā)射功率 Transmission power | / | 802.11b:16+2dBm;802.11g:16+2dBm;802.11n:16+2dBm; |
| 安全性 Security | / | WEP/WPA-PSK/WPA2-PSK |
| 供電范圍 Power supply range | 3.3V | 3.0~3.6V，Current>500mA |
| 工作溫度 Working temperature | 工業(yè)級 Industrial grade | -20℃~+85℃ |
| AT支持 AT support | 內(nèi)置智能化處理 Built in intelligent processing | 可通過AT指令命令讀取 Can be read through AT command |
The module supports 4Mbps high-speed transmission, which is faster in large data transmission applications such as WiFi printers, WiFi serial cameras, and WiFi high-speed data collection
| 序號 Serial number | Pin腳名稱 Pin name | 功能說明 Function Description |
| 1 | RST | 復位 Reset |
| 2 | ADC | A/D轉(zhuǎn)換結(jié)果。輸入電平范圍0~1V，取值范圍:0~1024 A/D conversion result. Input level range: 0~1V, value range: 0~1024 |
| 3 | EN | 芯片使能端，高電平有效 Chip enable terminal, high level effective |
| 4 | IO16 | GPI016,接到RST管腳時可做deepsleep 喚醒 GPIO16, When receiving RST pin, perform deep sleep wake-up |
| 5 | IO14 | GPIO14,HSPI_CLK |
| 6 | IO12 | GPIO12,HSPI_MISO |
| 7 | IO13 | GPIO13,HSPI_MOSI;UART0_CTS |
| 8 | VCC | 3.3V供電(VDD);外部供電電源輸出電流建議在500mA以上 3.3V power supply (VDD); It is recommended that the output current of the external power supply be above 500mA |
| 9 | GND | 接地 Grounding |
| 10 | IO15 | GPIO15,MTDO;HSPICS;UARTO_RTS |
| 11 | IO2 | GPIO2,UART1_TXD |
| 12 | IO0 | GPIO0,下載模式:外部拉低，運行模式:懸空或者外部拉高 GPIO0, Download Mode: External Pull Down, Run Mode: Suspended or External Pull Up |
| 13 | IO4 | GPIO4 |
| 14 | IO5 | GPIO5,IR_R |
| 15 | RXD | UART0-RXD;GPIO13 |
| 16 | TXD | UART0-TXD:GPIO1 |
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