
SparkFun ESP8266 Thing
SparkFun ESP8266 Thing 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.
About SparkFun ESP8266 Thing
Minimal ESP8266 board with LiPo and GPIO - ideal for low-cost, low-power Wi-Fi projects.
Technical Specifications
Complete technical specification details for SparkFun ESP8266 Thing
Useful Links
Datasheets and resources for SparkFun ESP8266 Thing
Pin Mappings
Complete pinout and GPIO mapping for SparkFun ESP8266 Thing
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 5 | LED_BUILTIN | |||
| PIN_WIRE_SDA | SDA | |||
| PIN_WIRE_SCL | SCL |
Default Tools & Configuration
Build and upload settings for SparkFun ESP8266 Thing
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | qio |
| Maximum data size | 80 KB (81920 bytes) |
The SparkFun ESP8266 Thing uses esptool for uploads , and bootloader at .
Flash mode: qio | Boot mode:



