Features: Small size: The development board designed with the well-known ESP32 shape in mind, and its compact size makes it very suitable for embedding into independent projects. WiFi and Bluetoothcompatible: Fully leverage the powerful capabilities of the ESP32 microcontroller, which is renownedin the field of the Internet of Things and fully supports wireless and Bluetoothcompatible and MicroPython support: You can seamlessly switches betwee and MicroPython programming in just a few simplesteps. We even offer introductory courses for those who are new to the world of MicroPython. loTs Cloud compatibility: Create loT projects quickly and easily with just a few lines of code. Our settings are responsible for security, allowing you to use the IoTs cloud application to monitorand control your projects from anywhere HIDsupport: Simulating human-machine interfaces devices (such as keyboards or mouse) through USB open up new possibilities for interaction with computers. Specifications: Chip: W106 (ESP32) Processing speed: up to 240MHz ROM: 384kB SRAM: 512kB External Flash: 128Mbit (16MB) interfaces LED pin: pin 13 Digital 1/O pin: pin 14 Analoginput pin: pin 8 PWM pin: pin 5 wireless Bluetoothcompatible：W106 (ESP32S3) communication UART: 4x SPI: D12, D13. 11. Use any GPIO for chip selection Power: Input voltage: 6-21V Size: approx 45mmx18mm/1.77x0.71in Package Includes: 1PC ESP32 Development Board note: Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.