Product Features
Product Functions
Functional features: Developed based on ESP8285 chip, it comes with 1MByte and a unique gold finger package, making it more suitable for small and simple control products such as smart sockets, smart temperature and humidity sensors, smart lights, smart gateways, and instruments.
Product Specifications
| 模块型号 Module model | ESP-01M | 描述 Describe |
| 封装形式 Packaging form | DIP18 | 直插 Direct insertion |
| 模组尺寸 Module Size | 18*18*2.8mm | ±0.2mm |
| SPI FLASH | 1MByte | 芯片内部集成 Internal integration of chips |
| 支持接口 Support interfaces | / | UART/GPIO/ADC/PWM/IIC |
| 可用IO口 Available IO ports | 11 | |
| 串口速率 Series Rate | 4608000bps | 支持300~4608000bps，默认115200bps Supports 300-460800bps, default 115200bps |
| 频谱范围 Spectrum range | 2.4GHZ | 2412~2484MHZ |
| 天线形式 Antenna form | 内置 Built-in | PCB板载天线 PCB board mounted antenna |
| 发射功率 Transmission power | / | 802.11b:16+2dBm;802.11g:16+2dBm;802.11n:16+2dBm; |
| 安全性 Security | / | WEP/WPA-PSK/WPA2-PSK |
| 供电范围 Power supply range | 3.3V | 3.0~3.6V，Current>500mA |
| 工作温度 Working temperature | 工业级 Industrial grade | -20℃~+85℃ |
| AT支持 AT support | 内置智能化处理 Built in intelligent processing | 可通过AT指令命令读取 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
| 序号 Serial number | Pin脚名称 Pin name | 功能说明 Function Description |
| 1 | GND | 地 Grounds |
| 2 | VDD | 3.3V.外部供电电源输出电流建议在500mA以上 3.3V. It is recommended that the output current of the external power supply be above 500mA |
| 3 | TX | TX发送管脚 TX transmission pin |
| 4 | RX | RX接收引脚 RX receiving pin |
| 5 | IO13 | HSPI_MOSI\UART0_CTS |
| 6 | IO15 | HSPI_CS\U0_RTS\I2SO_BCK |
| 7 | IO2 | U1_TXD\I2C_SDA\I2SO_WS |
| 8 | IO0 | GPIO0.下载模式:外部拉低;运行模式:悬空或者拉高 GPO0. Download mode: external pull down; Operation mode: suspended or raised |
| 9 | EN | 芯片使能端，高电平有效 Chip enable terminal, high level effective |
| 10 | IO4 | GP1O4 |
| 11 | IO9 | GP1O9 |
| 12 | IO10 | GP1O10 |
| 13 | IO5 | IR_R |
| 14 | IO12 | HSPI_MISO |
| 15 | IO14 | HSPI_CLK\IR_T\I2C_SCL\I2SI_WS |
| 16 | ADC | A/D转换结果，电压范围0~1V，取值范围0~1024 A/D conversion result, voltage range 0~1V, value range 0~1024 |
| 17 | IO16 | 与RST管脚相连可做Deep Sleep唤醒 Connected to RST pin for deep sleep wake-up |
| 18 | RST | 复位引脚，低电平有效 Reset pin, low level effective |
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