
ITEAD Sonoff
Development Board ESP8266_SONOFF_SV
ITEAD Sonoff is a development board based on the ESP8266 microcontroller using XTENSA LX106 architecture.
This board features a maximum CPU frequency of 160 MHz and 4 MB flash memory.
160 MHz CPU 4 MB Flash WiFi
About ITEAD Sonoff
ESP8266 Xtensa single-core 32-bit L106 · 160 MHz
ESP8266-based smart switch module - widely used in home automation for Wi-Fi relay control.
Technical Specifications
Complete technical specification details for ITEAD Sonoff
ESP8266 · Single-Core
Arch
XTENSA LX106
Clock
160 MHz
Flash
4 MB
Full datasheet & reference manual
DownloadPin Mappings
Complete pinout and GPIO mapping for ITEAD Sonoff
Digital I/O Pins
Interrupt Pins
Analog Inputs
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | BUILTIN_BUTTON | |||
| 12 | BUILTIN_RELAY | |||
| PIN_WIRE_SCL | SCL SCL | |||
| PIN_WIRE_SDA | SDA |
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number
Default Tools & Configuration
Build and upload settings for ITEAD Sonoff
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | dout |
| Maximum data size | 80 KB (81920 bytes) |
Configuration Summary
The ITEAD Sonoff uses esptool for uploads , and bootloader at .
Flash mode: dout | Boot mode:



