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WR2L Wi-Fi Module

by Tuya Inc.

Product page

Parameter Value
Board code wr2l
MCU RTL8710BX
Manufacturer Realtek
Series AmebaZ
Frequency 62.5 MHz
Flash size 2 MiB
RAM size 256 KiB
Voltage 3.0V - 3.6V
I/O 5x GPIO, 4x PWM, 1x UART, 1x ADC
Wi-Fi 802.11 b/g/n
FCC ID 2ANDL-WR2L

Usage

Board code: wr2l

In platformio.ini:

[env:wr2l]
platform = libretiny
board = wr2l
framework = arduino

In ESPHome YAML:

rtl87xx:
  board: wr2l

Pinout

Pinout

Pin functions

Name(s) UART IĀ²C SPI PWM Other
PA05 PWM4
PA12 PWM3
PA14 PWM0 SWCLK
PA15 PWM1 SWDIO
PA19, ADC1

Flash memory map

Flash size: 2 MiB / 2,097,152 B / 0x200000

Hex values are in bytes.

Name Start Length End
Boot XIP 0x000000 16 KiB / 0x4000 0x004000
Boot RAM 0x004000 16 KiB / 0x4000 0x008000
(reserved) 0x008000 4 KiB / 0x1000 0x009000
System Data 0x009000 4 KiB / 0x1000 0x00A000
Calibration 0x00A000 4 KiB / 0x1000 0x00B000
OTA1 Image 0x00B000 788 KiB / 0xC5000 0x0D0000
OTA2 Image 0x0D0000 788 KiB / 0xC5000 0x195000
Key-Value Store 0x195000 32 KiB / 0x8000 0x19D000
User Data 0x19D000 392 KiB / 0x62000 0x1FF000
Tuya Storage 0x1EB000 84 KiB / 0x15000 0x200000
RDP 0x1FF000 4 KiB / 0x1000 0x200000