Product Descriptions
ESP-WROOM-5V2L is a Wi Fi module that supports IEEE802.11 b/g/n and integrates the ESP8266EX chip. It can communicate with other devices through UART ports and is widely used in smart home devices, remote monitoring devices, and other fields.
The ESP-WROOM-5V2L module uses a PCB board mounted antenna. This module is equipped with a built-in 3.3V LDO regulator and level conversion circuit, and the logic voltage at the interface can support 5V/3.3V compatibility.
Product Specifications
| 类别 Category | 参数 Parameter | 说明 Describe |
| Wi-Fi | Wi-Fi 协议 Wi Fi protocol | 802.11 b/g/n |
| 频率范围 Frequency range | 2400 MHz~2483.5 MHZ | |
| 硬件参数 Hardware parameters | 数据接口 Data interface | UART |
| 工作电压 Working voltage | 4.5 V ~ 5.5 V 或者 2.7 V ~ 3.6 V | |
| 工作电流 Working current | 平均值Average value：80 mA | |
| 供电电流 Power supply current | 最⼩值Minimum value：500 mA | |
| 工作温度 Operation temperature | -25 °C ~ 85 °C | |
| 存储温度 Storage temperature | -40 °C ~ 125 °C | |
| 外部接口 External Interface | 4 Pin 1.5 mm 卧式贴⽚针座 Horizontal adhesive needle holder，4 Pin 2.54 mm 180 ° 直插 Direct insertion，4 Pin 2.54 mm 90 ° 弯插bend cutting | |
| 封装大小 Package Size | (17.50 ± 0.20) mm x (40.00 ± 0.20) mm x (4.70 ± 0.20) mm（带屏蔽罩和连接器Equipped with shielding cover and connector） | |
| 潮湿敏感度等级(MSL) Moisture Sensitivity Level (MSL) | 等级 Level 3 | |
| 软件参数 software parameters | ⽆线⽹络模式 Wireless network mode | Station/SoftAP/SoftAP+Station |
| 安全机制 Security mechanism | WPA/WPA2 | |
| 加密类型 Encryption Type | WEP/TKIP/AES | |
| 升级固件 Upgrade Firmware | 本地串⼝烧录/云端升级/主机下载烧录 Local port burning/cloud upgrade/host download burning | |
| 软件开发 Software Development | ⽀持客户⾃定义服务器 Maintain customer defined servers | |
| 提供⼆次开发所需的 SDK Provide SDK required for secondary development | ||
| ⽹络协议 Internet Protocol | IPv4，TCP/UDP/HTTP/FTP | |
| ⽤户配置 User Configuration | AT+ 指令集，云端服务器，Android/iOS app AT+instruction set, cloud server, Android/iOS app |
Product Pin Descriptions
| 序号 Serial Number | 管脚名称 Pin Name | 功能说明 Function Description |
| 1 | 3.3V | 3.3 V 测试点test point |
| 2 | EN | 使能管脚，⾼电平有效（内部已上拉） Enable pin, high level active (internal pulled up) |
| 3, 7 | VIN | 5 V / 3.3 V 供电 power supply |
| 4, 8 | GND | 接地 Grounding |
| 5, 9 | RXD_VCC | GPIO13，UART 通信接收端 Communication receiver |
| 6, 10 | TXD_VCC | GPIO15，UART 通信发送端 Communication sender |
| 11 | BOOT | GPIO0; |
| UART 下载Download：外部拉低external pull down； | ||
| Flash 启动Start：悬空或外部拉⾼Suspended or externally pulled up。 | ||
| 12 | LOG_OUT | GPIO2，UART Debug 发送端Debug sender |
| 13 | LOG_IN | GPIO4，UART Debug 接收端Debug receiver |
| 14 | U0RXD | GPIO3，UART 下载接收端download receiver |
| 15 | U0TXD | GPIO1，UART 下载发送端UART download sender |
| 16 | GND | 接地 Grounding |
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