User's Manual
Table Of Contents
WR
3E User Manual
Tuya Smart Wi-Fi Module
1. Product Overview
WR3E is a low power consumption module with built-in Wi-Fi connectivity solution
designed by Hangzhou Tuya Information Technology
Co., Ltd..The Wi-Fi Module consists of a highly
integrated wireless radio chip W302HBI40PI and some extra flashthathas been programed with
Wi-Fi network protocol and plenty of software examples.WR3E include a ARM CM4F, WLAN
MAC, 1T1R WLAN, maximum frequency reaches 125MHz, 256K SRAM, 1M byte flash and
various peripheral resources.
WR3E is a RTOS platform, embedded with all the Wi-Fi MAC and TCP/IP protocol function
examples, users can customize their Wi-Fi product by using these software examples.
1.1 Features
Integrated low power consumption 32-bit CPU, also known as application processor
Basic frequency of the CPU can support 125 MHz
Supply voltage range: 3V to 3.6V
Peripherals:7 GPIO channels, 2 UART, 1 ADC
Wi-Fi connectivity:
802.11 B/G/N20/N40
Channel 1 to 11 @ 2.4GHz
Support WPA/WPA2
+23.31dBm output power in 802.11g Mode
Support SmartConfig function for both Android and IOS devices
On-board PCB antenna
Pass CE, FCC, SRRC certifications
Operating temperature range: -20℃ to 85℃
1.2 Main ApplicationFields
Intelligent Building
Intelligent home, Intelligent household applications
Healthy devices
Industrial wireless control
Baby monitor
Webcam
Intelligent bus