32-bit RISC architecture
The processor can operate at 80MHz / 160MHz
32MB flash memory
64kB for instructions
96kB for data
Standard native WiFi 802.11b / g / n
Operates in AP, Station or AP + Station mode
It has 11 digital pins
It has 1 analogue pin with 10-bit resolution
Digital pins except the D0 have interrupts, PWM, I2C and one wire
Programmable through USB or WiFi (OTA)
Compatible with Arduino IDE
Compatible with modules and sensors used in Arduin

Weight 0.1 kg
Dimensions 20 × 15 × 5 cm