
ESPectro Core 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 ESPectro Core
ESP8266 board with Grove ports and RGB LED - designed for education, IoT kits, and rapid prototyping.
Technical Specifications
Complete technical specification details for ESPectro Core
Connectivity
WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth -
BLE -
Microcontroller
Model esp8266
Clock Speed 160 MHz
Flash Size 4 MB
Architecture Xtensa LX106
Pin Mappings
Complete pinout and GPIO mapping for ESPectro Core
Digital I/O Pins
Interrupt Pins
Analog Inputs
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | BUTTON_BUILTIN BUILTIN_BUTTON | |||
| 1 | TX TX0 | |||
| 2 | BUTTON_BUILTIN BUILTIN_BUTTON TX1 | |||
| 3 | ESPECTRO_CORE_VERSION RX RX0 | |||
| 4 | SDA | |||
| 5 | SCL | |||
| 15 | LED_BUILTIN |
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 ESPectro Core
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | dio |
| Maximum data size | 80 KB (81920 bytes) |
Configuration Summary
The ESPectro Core uses esptool for uploads , and bootloader at .
Flash mode: dio | Boot mode:



