What makes it special?

Cactus Micro is tiny size Arduino compatible dev board. It's built-in a esp8266 module (esp-03).

Features
  • Built-in ESP8266 WIFI module
  • ATmega32U4 running at 3.3V/8MHz
  • Supported under Arduino IDE 1.0.6
  • On-Board micro-USB connector for programming
  • 4 x 10-bit ADC pins
  • 12 x Digital I/Os (5 are PWM capable)
  • Rx and Tx Hardware Serial Connections
Getting Started

Open Arduino IDE and choose board "LilyPad USB" to start playing with your Cactus Micro in just a few easy steps.

How it works
  • The ESP8266 chip communicates with ATMega32U4 through the hardware serial port Serial1.
  • The pin 13 is connected to pin CH_PD of ESP8266. Put the pin 13 high to enable ESP8266 chip.