
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
Connectivity
Microcontroller
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:



