Wi-Fi Module - WFE04
WFE04 is an ESP32-S2 based enhanced snapshot Wi-Fi module with rich peripheral interfaces.
Product Overview
Section titled “Product Overview”WFE04 integrates ESP32-S2 processor, supports Wi-Fi 802.11 b/g/n protocol with built-in TCP/IP protocol stack. Compared to WFE01, WFE04 provides more GPIO interfaces, suitable for applications requiring more peripheral connections.
Product Features
Section titled “Product Features”- ESP32-S2 processor, Xtensa single-core 32-bit LX7
- CPU frequency up to 240 MHz
- Support Wi-Fi 802.11 b/g/n (2.4 GHz)
- Built-in 320 KB SRAM
- Rich GPIO interfaces (up to 26)
- Support UART/GPIO/ADC/PWM/SPI/I2C/USB interfaces
- Support TFT screen driver interface
- PCB onboard antenna
- SMD-16 package
- Support Smart Config / AirKiss one-key network configuration
- Support OTA firmware upgrade
- Support UF2 bootloader for easy upgrade
Wi-Fi Features
Section titled “Wi-Fi Features”- Support 802.11 b/g/n
- Frequency range: 2.4 GHz ~ 2.5 GHz
- Support Station / SoftAP / Promiscuous mode
- Support WPA/WPA2 security protocol
Operating Conditions
Section titled “Operating Conditions”| Parameter | Range |
|---|---|
| Voltage | 2.3 V ~ 3.6 V |
| Current | Average 80 mA |
| Temperature | –40 °C ~ 85 °C |
Applications
Section titled “Applications”- Smart Locks
- Smart Panels
- Smart Video Doorbells